/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-dcfa08f [2020-12-23 15:24:01,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 15:24:01,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 15:24:01,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 15:24:01,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 15:24:01,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 15:24:01,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 15:24:01,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 15:24:01,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 15:24:01,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 15:24:01,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 15:24:01,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 15:24:01,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 15:24:01,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 15:24:01,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 15:24:01,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 15:24:01,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 15:24:01,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 15:24:01,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 15:24:01,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 15:24:01,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 15:24:01,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 15:24:01,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 15:24:01,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 15:24:01,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 15:24:01,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 15:24:01,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 15:24:01,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 15:24:01,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 15:24:01,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 15:24:01,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 15:24:01,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 15:24:01,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 15:24:01,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 15:24:01,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 15:24:01,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 15:24:01,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 15:24:01,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 15:24:01,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 15:24:01,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 15:24:01,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 15:24:01,845 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 15:24:01,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 15:24:01,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 15:24:01,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 15:24:01,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 15:24:01,875 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 15:24:01,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 15:24:01,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 15:24:01,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 15:24:01,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 15:24:01,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 15:24:01,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 15:24:01,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 15:24:01,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 15:24:01,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 15:24:01,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 15:24:01,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 15:24:01,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 15:24:01,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 15:24:01,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 15:24:01,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 15:24:01,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 15:24:01,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 15:24:01,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 15:24:01,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 15:24:01,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 15:24:01,880 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 15:24:02,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 15:24:02,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 15:24:02,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 15:24:02,284 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 15:24:02,285 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 15:24:02,286 INFO L432 ainManager$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 [2020-12-23 15:24:02,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e914754a7/7df0303076544b3cacc686f86da81575/FLAGa15d42d71 [2020-12-23 15:24:03,325 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 15:24:03,327 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 [2020-12-23 15:24:03,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e914754a7/7df0303076544b3cacc686f86da81575/FLAGa15d42d71 [2020-12-23 15:24:03,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e914754a7/7df0303076544b3cacc686f86da81575 [2020-12-23 15:24:03,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 15:24:03,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 15:24:03,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 15:24:03,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 15:24:03,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 15:24:03,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:24:03" (1/1) ... [2020-12-23 15:24:03,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c087dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:03, skipping insertion in model container [2020-12-23 15:24:03,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:24:03" (1/1) ... [2020-12-23 15:24:03,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 15:24:03,967 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] [2020-12-23 15:24:04,995 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,] [2020-12-23 15:24:05,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 15:24:05,308 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] [2020-12-23 15:24:05,545 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,] [2020-12-23 15:24:05,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 15:24:05,755 INFO L208 MainTranslator]: Completed translation [2020-12-23 15:24:05,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05 WrapperNode [2020-12-23 15:24:05,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 15:24:05,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 15:24:05,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 15:24:05,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 15:24:05,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05" (1/1) ... [2020-12-23 15:24:05,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05" (1/1) ... [2020-12-23 15:24:05,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 15:24:05,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 15:24:05,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 15:24:05,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 15:24:06,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05" (1/1) ... [2020-12-23 15:24:06,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05" (1/1) ... [2020-12-23 15:24:06,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05" (1/1) ... [2020-12-23 15:24:06,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05" (1/1) ... [2020-12-23 15:24:06,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05" (1/1) ... [2020-12-23 15:24:06,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05" (1/1) ... [2020-12-23 15:24:06,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05" (1/1) ... [2020-12-23 15:24:06,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 15:24:06,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 15:24:06,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 15:24:06,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 15:24:06,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05" (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 [2020-12-23 15:24:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 15:24:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 15:24:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 15:24:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-23 15:24:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 15:24:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-23 15:24:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 15:24:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 15:24:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 15:24:07,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 15:24:07,987 INFO L299 CfgBuilder]: Removed 141 assume(true) statements. [2020-12-23 15:24:07,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:24:07 BoogieIcfgContainer [2020-12-23 15:24:07,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 15:24:07,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 15:24:07,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 15:24:07,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 15:24:07,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:24:03" (1/3) ... [2020-12-23 15:24:08,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f54e48d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:24:07, skipping insertion in model container [2020-12-23 15:24:08,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:05" (2/3) ... [2020-12-23 15:24:08,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f54e48d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:24:08, skipping insertion in model container [2020-12-23 15:24:08,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:24:07" (3/3) ... [2020-12-23 15:24:08,004 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-12-23 15:24:08,012 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 15:24:08,018 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 15:24:08,038 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 15:24:08,086 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 15:24:08,086 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 15:24:08,086 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 15:24:08,087 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 15:24:08,087 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 15:24:08,087 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 15:24:08,087 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 15:24:08,087 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 15:24:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-12-23 15:24:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-23 15:24:08,122 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 15:24:08,123 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] [2020-12-23 15:24:08,123 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]=== [2020-12-23 15:24:08,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 15:24:08,131 INFO L82 PathProgramCache]: Analyzing trace with hash 214162578, now seen corresponding path program 1 times [2020-12-23 15:24:08,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 15:24:08,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261708160] [2020-12-23 15:24:08,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 15:24:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 15:24:08,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 15:24:08,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261708160] [2020-12-23 15:24:08,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 15:24:08,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 15:24:08,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421542681] [2020-12-23 15:24:08,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 15:24:08,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 15:24:08,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 15:24:08,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 15:24:08,790 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2020-12-23 15:24:08,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 15:24:08,836 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2020-12-23 15:24:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 15:24:08,838 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2020-12-23 15:24:08,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 15:24:08,853 INFO L225 Difference]: With dead ends: 310 [2020-12-23 15:24:08,854 INFO L226 Difference]: Without dead ends: 144 [2020-12-23 15:24:08,858 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 [2020-12-23 15:24:08,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-12-23 15:24:08,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-12-23 15:24:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-12-23 15:24:08,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 190 transitions. [2020-12-23 15:24:08,938 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 190 transitions. Word has length 39 [2020-12-23 15:24:08,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 15:24:08,939 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 190 transitions. [2020-12-23 15:24:08,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 15:24:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 190 transitions. [2020-12-23 15:24:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-23 15:24:08,943 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 15:24:08,943 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] [2020-12-23 15:24:08,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 15:24:08,944 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]=== [2020-12-23 15:24:08,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 15:24:08,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1366579640, now seen corresponding path program 1 times [2020-12-23 15:24:08,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 15:24:08,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942432821] [2020-12-23 15:24:08,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 15:24:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 15:24:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 15:24:09,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942432821] [2020-12-23 15:24:09,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 15:24:09,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 15:24:09,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005030370] [2020-12-23 15:24:09,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 15:24:09,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 15:24:09,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 15:24:09,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 15:24:09,291 INFO L87 Difference]: Start difference. First operand 144 states and 190 transitions. Second operand 3 states. [2020-12-23 15:24:09,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 15:24:09,396 INFO L93 Difference]: Finished difference Result 347 states and 479 transitions. [2020-12-23 15:24:09,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 15:24:09,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-12-23 15:24:09,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 15:24:09,400 INFO L225 Difference]: With dead ends: 347 [2020-12-23 15:24:09,400 INFO L226 Difference]: Without dead ends: 233 [2020-12-23 15:24:09,402 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 [2020-12-23 15:24:09,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-12-23 15:24:09,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 219. [2020-12-23 15:24:09,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-12-23 15:24:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 306 transitions. [2020-12-23 15:24:09,421 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 306 transitions. Word has length 39 [2020-12-23 15:24:09,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 15:24:09,422 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 306 transitions. [2020-12-23 15:24:09,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 15:24:09,422 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 306 transitions. [2020-12-23 15:24:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-23 15:24:09,424 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 15:24:09,424 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] [2020-12-23 15:24:09,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 15:24:09,425 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]=== [2020-12-23 15:24:09,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 15:24:09,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1555974485, now seen corresponding path program 1 times [2020-12-23 15:24:09,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 15:24:09,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911416187] [2020-12-23 15:24:09,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 15:24:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 15:24:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 15:24:09,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911416187] [2020-12-23 15:24:09,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 15:24:09,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 15:24:09,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718107714] [2020-12-23 15:24:09,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 15:24:09,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 15:24:09,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 15:24:09,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 15:24:09,734 INFO L87 Difference]: Start difference. First operand 219 states and 306 transitions. Second operand 3 states. [2020-12-23 15:24:09,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 15:24:09,915 INFO L93 Difference]: Finished difference Result 564 states and 821 transitions. [2020-12-23 15:24:09,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 15:24:09,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-12-23 15:24:09,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 15:24:09,924 INFO L225 Difference]: With dead ends: 564 [2020-12-23 15:24:09,924 INFO L226 Difference]: Without dead ends: 375 [2020-12-23 15:24:09,929 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 [2020-12-23 15:24:09,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-12-23 15:24:10,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2020-12-23 15:24:10,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-12-23 15:24:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 538 transitions. [2020-12-23 15:24:10,011 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 538 transitions. Word has length 42 [2020-12-23 15:24:10,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 15:24:10,012 INFO L481 AbstractCegarLoop]: Abstraction has 371 states and 538 transitions. [2020-12-23 15:24:10,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 15:24:10,012 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 538 transitions. [2020-12-23 15:24:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 15:24:10,016 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 15:24:10,017 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] [2020-12-23 15:24:10,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 15:24:10,018 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]=== [2020-12-23 15:24:10,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 15:24:10,018 INFO L82 PathProgramCache]: Analyzing trace with hash 819401089, now seen corresponding path program 1 times [2020-12-23 15:24:10,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 15:24:10,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778768370] [2020-12-23 15:24:10,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 15:24:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 15:24:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 15:24:10,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778768370] [2020-12-23 15:24:10,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 15:24:10,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 15:24:10,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470350395] [2020-12-23 15:24:10,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 15:24:10,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 15:24:10,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 15:24:10,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 15:24:10,327 INFO L87 Difference]: Start difference. First operand 371 states and 538 transitions. Second operand 3 states. [2020-12-23 15:24:10,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 15:24:10,339 INFO L93 Difference]: Finished difference Result 371 states and 538 transitions. [2020-12-23 15:24:10,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 15:24:10,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 15:24:10,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 15:24:10,342 INFO L225 Difference]: With dead ends: 371 [2020-12-23 15:24:10,343 INFO L226 Difference]: Without dead ends: 369 [2020-12-23 15:24:10,343 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 [2020-12-23 15:24:10,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-12-23 15:24:10,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2020-12-23 15:24:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2020-12-23 15:24:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 536 transitions. [2020-12-23 15:24:10,371 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 536 transitions. Word has length 51 [2020-12-23 15:24:10,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 15:24:10,372 INFO L481 AbstractCegarLoop]: Abstraction has 369 states and 536 transitions. [2020-12-23 15:24:10,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 15:24:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 536 transitions. [2020-12-23 15:24:10,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 15:24:10,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 15:24:10,374 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] [2020-12-23 15:24:10,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 15:24:10,375 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]=== [2020-12-23 15:24:10,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 15:24:10,376 INFO L82 PathProgramCache]: Analyzing trace with hash -368363485, now seen corresponding path program 1 times [2020-12-23 15:24:10,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 15:24:10,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055965622] [2020-12-23 15:24:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 15:24:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 15:24:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 15:24:10,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055965622] [2020-12-23 15:24:10,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 15:24:10,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 15:24:10,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654207506] [2020-12-23 15:24:10,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 15:24:10,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 15:24:10,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 15:24:10,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 15:24:10,610 INFO L87 Difference]: Start difference. First operand 369 states and 536 transitions. Second operand 3 states. [2020-12-23 15:24:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 15:24:10,620 INFO L93 Difference]: Finished difference Result 369 states and 536 transitions. [2020-12-23 15:24:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 15:24:10,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 15:24:10,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 15:24:10,623 INFO L225 Difference]: With dead ends: 369 [2020-12-23 15:24:10,623 INFO L226 Difference]: Without dead ends: 367 [2020-12-23 15:24:10,624 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 [2020-12-23 15:24:10,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-12-23 15:24:10,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2020-12-23 15:24:10,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2020-12-23 15:24:10,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 534 transitions. [2020-12-23 15:24:10,637 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 534 transitions. Word has length 52 [2020-12-23 15:24:10,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 15:24:10,638 INFO L481 AbstractCegarLoop]: Abstraction has 367 states and 534 transitions. [2020-12-23 15:24:10,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 15:24:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 534 transitions. [2020-12-23 15:24:10,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 15:24:10,639 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 15:24:10,639 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] [2020-12-23 15:24:10,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 15:24:10,640 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]=== [2020-12-23 15:24:10,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 15:24:10,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1465640395, now seen corresponding path program 1 times [2020-12-23 15:24:10,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 15:24:10,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398791455] [2020-12-23 15:24:10,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 15:24:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 15:24:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 15:24:10,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398791455] [2020-12-23 15:24:10,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 15:24:10,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 15:24:10,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900857093] [2020-12-23 15:24:10,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 15:24:10,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 15:24:10,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 15:24:10,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 15:24:10,896 INFO L87 Difference]: Start difference. First operand 367 states and 534 transitions. Second operand 3 states. [2020-12-23 15:24:10,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 15:24:10,909 INFO L93 Difference]: Finished difference Result 367 states and 534 transitions. [2020-12-23 15:24:10,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 15:24:10,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-23 15:24:10,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 15:24:10,915 INFO L225 Difference]: With dead ends: 367 [2020-12-23 15:24:10,915 INFO L226 Difference]: Without dead ends: 365 [2020-12-23 15:24:10,916 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 [2020-12-23 15:24:10,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-12-23 15:24:10,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2020-12-23 15:24:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-12-23 15:24:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 532 transitions. [2020-12-23 15:24:10,935 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 532 transitions. Word has length 53 [2020-12-23 15:24:10,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 15:24:10,935 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 532 transitions. [2020-12-23 15:24:10,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 15:24:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 532 transitions. [2020-12-23 15:24:10,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 15:24:10,937 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 15:24:10,940 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] [2020-12-23 15:24:10,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 15:24:10,943 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]=== [2020-12-23 15:24:10,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 15:24:10,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1809781459, now seen corresponding path program 1 times [2020-12-23 15:24:10,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 15:24:10,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656054855] [2020-12-23 15:24:10,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 15:24:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 15:24:11,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 15:24:11,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656054855] [2020-12-23 15:24:11,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 15:24:11,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 15:24:11,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507113269] [2020-12-23 15:24:11,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 15:24:11,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 15:24:11,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 15:24:11,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 15:24:11,166 INFO L87 Difference]: Start difference. First operand 365 states and 532 transitions. Second operand 3 states. [2020-12-23 15:24:11,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 15:24:11,202 INFO L93 Difference]: Finished difference Result 1025 states and 1526 transitions. [2020-12-23 15:24:11,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 15:24:11,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-23 15:24:11,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 15:24:11,208 INFO L225 Difference]: With dead ends: 1025 [2020-12-23 15:24:11,208 INFO L226 Difference]: Without dead ends: 684 [2020-12-23 15:24:11,212 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 [2020-12-23 15:24:11,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-12-23 15:24:11,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 679. [2020-12-23 15:24:11,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-12-23 15:24:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1006 transitions. [2020-12-23 15:24:11,241 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1006 transitions. Word has length 54 [2020-12-23 15:24:11,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 15:24:11,243 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 1006 transitions. [2020-12-23 15:24:11,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 15:24:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1006 transitions. [2020-12-23 15:24:11,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 15:24:11,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 15:24:11,246 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] [2020-12-23 15:24:11,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 15:24:11,246 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]=== [2020-12-23 15:24:11,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 15:24:11,248 INFO L82 PathProgramCache]: Analyzing trace with hash -454066381, now seen corresponding path program 1 times [2020-12-23 15:24:11,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 15:24:11,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670851972] [2020-12-23 15:24:11,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 15:24:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 15:24:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 15:24:11,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670851972] [2020-12-23 15:24:11,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 15:24:11,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 15:24:11,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641357810] [2020-12-23 15:24:11,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 15:24:11,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 15:24:11,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 15:24:11,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 15:24:11,443 INFO L87 Difference]: Start difference. First operand 679 states and 1006 transitions. Second operand 3 states. [2020-12-23 15:24:11,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 15:24:11,581 INFO L93 Difference]: Finished difference Result 1328 states and 1981 transitions. [2020-12-23 15:24:11,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 15:24:11,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 15:24:11,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 15:24:11,586 INFO L225 Difference]: With dead ends: 1328 [2020-12-23 15:24:11,586 INFO L226 Difference]: Without dead ends: 679 [2020-12-23 15:24:11,587 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 [2020-12-23 15:24:11,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-12-23 15:24:11,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 678. [2020-12-23 15:24:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2020-12-23 15:24:11,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1001 transitions. [2020-12-23 15:24:11,613 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1001 transitions. Word has length 66 [2020-12-23 15:24:11,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 15:24:11,614 INFO L481 AbstractCegarLoop]: Abstraction has 678 states and 1001 transitions. [2020-12-23 15:24:11,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 15:24:11,614 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1001 transitions. [2020-12-23 15:24:11,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 15:24:11,615 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 15:24:11,615 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] [2020-12-23 15:24:11,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 15:24:11,616 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]=== [2020-12-23 15:24:11,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 15:24:11,616 INFO L82 PathProgramCache]: Analyzing trace with hash -134151878, now seen corresponding path program 1 times [2020-12-23 15:24:11,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 15:24:11,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288264217] [2020-12-23 15:24:11,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 15:24:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 15:24:11,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 15:24:11,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288264217] [2020-12-23 15:24:11,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 15:24:11,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 15:24:11,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109374273] [2020-12-23 15:24:11,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 15:24:11,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 15:24:11,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 15:24:11,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 15:24:11,862 INFO L87 Difference]: Start difference. First operand 678 states and 1001 transitions. Second operand 7 states. [2020-12-23 15:24:12,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 15:24:12,073 INFO L93 Difference]: Finished difference Result 2538 states and 3823 transitions. [2020-12-23 15:24:12,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 15:24:12,073 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2020-12-23 15:24:12,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 15:24:12,084 INFO L225 Difference]: With dead ends: 2538 [2020-12-23 15:24:12,084 INFO L226 Difference]: Without dead ends: 1890 [2020-12-23 15:24:12,086 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 [2020-12-23 15:24:12,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1890 states. [2020-12-23 15:24:12,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1890 to 679. [2020-12-23 15:24:12,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-12-23 15:24:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1001 transitions. [2020-12-23 15:24:12,137 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1001 transitions. Word has length 67 [2020-12-23 15:24:12,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 15:24:12,138 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 1001 transitions. [2020-12-23 15:24:12,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 15:24:12,138 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1001 transitions. [2020-12-23 15:24:12,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 15:24:12,139 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 15:24:12,139 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] [2020-12-23 15:24:12,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 15:24:12,140 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]=== [2020-12-23 15:24:12,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 15:24:12,140 INFO L82 PathProgramCache]: Analyzing trace with hash -466045329, now seen corresponding path program 1 times [2020-12-23 15:24:12,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 15:24:12,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401338763] [2020-12-23 15:24:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 15:24:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 15:24:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 15:24:12,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401338763] [2020-12-23 15:24:12,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 15:24:12,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 15:24:12,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154692373] [2020-12-23 15:24:12,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 15:24:12,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 15:24:12,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 15:24:12,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 15:24:12,333 INFO L87 Difference]: Start difference. First operand 679 states and 1001 transitions. Second operand 5 states. [2020-12-23 15:24:12,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 15:24:12,404 INFO L93 Difference]: Finished difference Result 970 states and 1448 transitions. [2020-12-23 15:24:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 15:24:12,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2020-12-23 15:24:12,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 15:24:12,405 INFO L225 Difference]: With dead ends: 970 [2020-12-23 15:24:12,405 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 15:24:12,407 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 [2020-12-23 15:24:12,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 15:24:12,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 15:24:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 15:24:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 15:24:12,408 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-12-23 15:24:12,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 15:24:12,408 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 15:24:12,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 15:24:12,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 15:24:12,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 15:24:12,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 15:24:12,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 15:24:13,041 INFO L189 CegarLoopUtils]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2020-12-23 15:24:13,041 INFO L189 CegarLoopUtils]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2020-12-23 15:24:13,041 INFO L189 CegarLoopUtils]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2020-12-23 15:24:13,042 INFO L189 CegarLoopUtils]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2020-12-23 15:24:13,042 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)) [2020-12-23 15:24:13,042 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-23 15:24:13,042 INFO L189 CegarLoopUtils]: For program point L6213(line 6213) no Hoare annotation was computed. [2020-12-23 15:24:13,042 INFO L189 CegarLoopUtils]: For program point L6973(lines 6964 6982) no Hoare annotation was computed. [2020-12-23 15:24:13,042 INFO L189 CegarLoopUtils]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2020-12-23 15:24:13,043 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)) [2020-12-23 15:24:13,043 INFO L189 CegarLoopUtils]: For program point L6050(line 6050) no Hoare annotation was computed. [2020-12-23 15:24:13,043 INFO L189 CegarLoopUtils]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2020-12-23 15:24:13,043 INFO L189 CegarLoopUtils]: For program point L5720-1(lines 5720 5722) no Hoare annotation was computed. [2020-12-23 15:24:13,043 INFO L189 CegarLoopUtils]: For program point L5720-2(lines 5720 5722) no Hoare annotation was computed. [2020-12-23 15:24:13,043 INFO L189 CegarLoopUtils]: For program point L5720(lines 5720 5722) no Hoare annotation was computed. [2020-12-23 15:24:13,043 INFO L189 CegarLoopUtils]: For program point L5720-5(lines 5720 5722) no Hoare annotation was computed. [2020-12-23 15:24:13,043 INFO L189 CegarLoopUtils]: For program point L5720-6(lines 5720 5722) no Hoare annotation was computed. [2020-12-23 15:24:13,044 INFO L189 CegarLoopUtils]: For program point L5720-3(lines 5720 5722) no Hoare annotation was computed. [2020-12-23 15:24:13,044 INFO L189 CegarLoopUtils]: For program point L5720-4(lines 5720 5722) no Hoare annotation was computed. [2020-12-23 15:24:13,044 INFO L189 CegarLoopUtils]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2020-12-23 15:24:13,044 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)) [2020-12-23 15:24:13,044 INFO L189 CegarLoopUtils]: For program point L5721-2(line 5721) no Hoare annotation was computed. [2020-12-23 15:24:13,044 INFO L189 CegarLoopUtils]: For program point L5721(line 5721) no Hoare annotation was computed. [2020-12-23 15:24:13,044 INFO L189 CegarLoopUtils]: For program point L5721-6(line 5721) no Hoare annotation was computed. [2020-12-23 15:24:13,045 INFO L189 CegarLoopUtils]: For program point L5721-4(line 5721) no Hoare annotation was computed. [2020-12-23 15:24:13,045 INFO L189 CegarLoopUtils]: For program point L5721-10(line 5721) no Hoare annotation was computed. [2020-12-23 15:24:13,045 INFO L189 CegarLoopUtils]: For program point L5721-8(line 5721) no Hoare annotation was computed. [2020-12-23 15:24:13,045 INFO L189 CegarLoopUtils]: For program point L5721-12(line 5721) no Hoare annotation was computed. [2020-12-23 15:24:13,045 INFO L189 CegarLoopUtils]: For program point L6184(line 6184) no Hoare annotation was computed. [2020-12-23 15:24:13,045 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)) [2020-12-23 15:24:13,046 INFO L192 CegarLoopUtils]: At program point L6977(lines 6962 6983) the Hoare annotation is: true [2020-12-23 15:24:13,046 INFO L189 CegarLoopUtils]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2020-12-23 15:24:13,046 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)) [2020-12-23 15:24:13,046 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)) [2020-12-23 15:24:13,046 INFO L189 CegarLoopUtils]: For program point L6120(line 6120) no Hoare annotation was computed. [2020-12-23 15:24:13,046 INFO L189 CegarLoopUtils]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2020-12-23 15:24:13,046 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-23 15:24:13,047 INFO L189 CegarLoopUtils]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2020-12-23 15:24:13,047 INFO L189 CegarLoopUtils]: For program point L6220(line 6220) no Hoare annotation was computed. [2020-12-23 15:24:13,047 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)) [2020-12-23 15:24:13,047 INFO L189 CegarLoopUtils]: For program point L6188(line 6188) no Hoare annotation was computed. [2020-12-23 15:24:13,047 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-23 15:24:13,047 INFO L189 CegarLoopUtils]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2020-12-23 15:24:13,047 INFO L189 CegarLoopUtils]: For program point L6057(line 6057) no Hoare annotation was computed. [2020-12-23 15:24:13,048 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-23 15:24:13,048 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)) [2020-12-23 15:24:13,048 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)) [2020-12-23 15:24:13,048 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)) [2020-12-23 15:24:13,048 INFO L189 CegarLoopUtils]: For program point L6917-1(lines 6917 6920) no Hoare annotation was computed. [2020-12-23 15:24:13,048 INFO L189 CegarLoopUtils]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2020-12-23 15:24:13,049 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))) [2020-12-23 15:24:13,049 INFO L192 CegarLoopUtils]: At program point L5795(lines 5794 5797) the Hoare annotation is: true [2020-12-23 15:24:13,049 INFO L192 CegarLoopUtils]: At program point L5795-1(lines 5794 5797) the Hoare annotation is: true [2020-12-23 15:24:13,049 INFO L192 CegarLoopUtils]: At program point L5795-4(lines 5794 5797) the Hoare annotation is: true [2020-12-23 15:24:13,049 INFO L192 CegarLoopUtils]: At program point L5795-5(lines 5794 5797) the Hoare annotation is: true [2020-12-23 15:24:13,049 INFO L192 CegarLoopUtils]: At program point L5795-2(lines 5794 5797) the Hoare annotation is: true [2020-12-23 15:24:13,050 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-23 15:24:13,050 INFO L192 CegarLoopUtils]: At program point L5795-3(lines 5794 5797) the Hoare annotation is: true [2020-12-23 15:24:13,050 INFO L192 CegarLoopUtils]: At program point L5795-8(lines 5794 5797) the Hoare annotation is: true [2020-12-23 15:24:13,050 INFO L192 CegarLoopUtils]: At program point L5795-6(lines 5794 5797) the Hoare annotation is: true [2020-12-23 15:24:13,050 INFO L192 CegarLoopUtils]: At program point L5795-7(lines 5794 5797) the Hoare annotation is: true [2020-12-23 15:24:13,050 INFO L189 CegarLoopUtils]: For program point L6159(line 6159) no Hoare annotation was computed. [2020-12-23 15:24:13,050 INFO L189 CegarLoopUtils]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2020-12-23 15:24:13,050 INFO L189 CegarLoopUtils]: For program point L6093(line 6093) no Hoare annotation was computed. [2020-12-23 15:24:13,051 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)) [2020-12-23 15:24:13,051 INFO L189 CegarLoopUtils]: For program point L6127(line 6127) no Hoare annotation was computed. [2020-12-23 15:24:13,051 INFO L189 CegarLoopUtils]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2020-12-23 15:24:13,051 INFO L189 CegarLoopUtils]: For program point L6028(line 6028) no Hoare annotation was computed. [2020-12-23 15:24:13,051 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)) [2020-12-23 15:24:13,051 INFO L192 CegarLoopUtils]: At program point L6227(lines 5979 6229) the Hoare annotation is: true [2020-12-23 15:24:13,051 INFO L189 CegarLoopUtils]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2020-12-23 15:24:13,052 INFO L189 CegarLoopUtils]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2020-12-23 15:24:13,052 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)) [2020-12-23 15:24:13,052 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)) [2020-12-23 15:24:13,052 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)) [2020-12-23 15:24:13,052 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)) [2020-12-23 15:24:13,052 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)) [2020-12-23 15:24:13,053 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)) [2020-12-23 15:24:13,053 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)) [2020-12-23 15:24:13,053 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)) [2020-12-23 15:24:13,053 INFO L189 CegarLoopUtils]: For program point L6195(line 6195) no Hoare annotation was computed. [2020-12-23 15:24:13,053 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)) [2020-12-23 15:24:13,053 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)) [2020-12-23 15:24:13,054 INFO L189 CegarLoopUtils]: For program point L6856-1(lines 6856 6859) no Hoare annotation was computed. [2020-12-23 15:24:13,054 INFO L189 CegarLoopUtils]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2020-12-23 15:24:13,054 INFO L189 CegarLoopUtils]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2020-12-23 15:24:13,054 INFO L189 CegarLoopUtils]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2020-12-23 15:24:13,054 INFO L189 CegarLoopUtils]: For program point L6064(line 6064) no Hoare annotation was computed. [2020-12-23 15:24:13,054 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,054 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))) [2020-12-23 15:24:13,055 INFO L189 CegarLoopUtils]: For program point L6131(line 6131) no Hoare annotation was computed. [2020-12-23 15:24:13,055 INFO L189 CegarLoopUtils]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2020-12-23 15:24:13,055 INFO L189 CegarLoopUtils]: For program point L6032(line 6032) no Hoare annotation was computed. [2020-12-23 15:24:13,055 INFO L189 CegarLoopUtils]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2020-12-23 15:24:13,055 INFO L189 CegarLoopUtils]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2020-12-23 15:24:13,055 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)) [2020-12-23 15:24:13,055 INFO L189 CegarLoopUtils]: For program point L6166(line 6166) no Hoare annotation was computed. [2020-12-23 15:24:13,056 INFO L189 CegarLoopUtils]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2020-12-23 15:24:13,056 INFO L189 CegarLoopUtils]: For program point L6100(line 6100) no Hoare annotation was computed. [2020-12-23 15:24:13,056 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)) [2020-12-23 15:24:13,056 INFO L189 CegarLoopUtils]: For program point L6332-2(line 6332) no Hoare annotation was computed. [2020-12-23 15:24:13,056 INFO L189 CegarLoopUtils]: For program point L6332-1(line 6332) no Hoare annotation was computed. [2020-12-23 15:24:13,056 INFO L189 CegarLoopUtils]: For program point L6332(line 6332) no Hoare annotation was computed. [2020-12-23 15:24:13,056 INFO L189 CegarLoopUtils]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2020-12-23 15:24:13,056 INFO L189 CegarLoopUtils]: For program point L6332-5(line 6332) no Hoare annotation was computed. [2020-12-23 15:24:13,057 INFO L189 CegarLoopUtils]: For program point L6332-4(line 6332) no Hoare annotation was computed. [2020-12-23 15:24:13,057 INFO L189 CegarLoopUtils]: For program point L6332-3(line 6332) no Hoare annotation was computed. [2020-12-23 15:24:13,057 INFO L189 CegarLoopUtils]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2020-12-23 15:24:13,057 INFO L189 CegarLoopUtils]: For program point L6068(line 6068) no Hoare annotation was computed. [2020-12-23 15:24:13,057 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)) [2020-12-23 15:24:13,057 INFO L189 CegarLoopUtils]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2020-12-23 15:24:13,057 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,057 INFO L189 CegarLoopUtils]: For program point L6202(line 6202) no Hoare annotation was computed. [2020-12-23 15:24:13,058 INFO L189 CegarLoopUtils]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2020-12-23 15:24:13,058 INFO L189 CegarLoopUtils]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2020-12-23 15:24:13,058 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)) [2020-12-23 15:24:13,058 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)) [2020-12-23 15:24:13,058 INFO L189 CegarLoopUtils]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2020-12-23 15:24:13,058 INFO L189 CegarLoopUtils]: For program point L6170(line 6170) no Hoare annotation was computed. [2020-12-23 15:24:13,058 INFO L189 CegarLoopUtils]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2020-12-23 15:24:13,059 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)) [2020-12-23 15:24:13,059 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)) [2020-12-23 15:24:13,059 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)) [2020-12-23 15:24:13,059 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)) [2020-12-23 15:24:13,059 INFO L189 CegarLoopUtils]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2020-12-23 15:24:13,059 INFO L189 CegarLoopUtils]: For program point L6039(line 6039) no Hoare annotation was computed. [2020-12-23 15:24:13,059 INFO L189 CegarLoopUtils]: For program point L6139(line 6139) no Hoare annotation was computed. [2020-12-23 15:24:13,060 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,060 INFO L189 CegarLoopUtils]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2020-12-23 15:24:13,060 INFO L189 CegarLoopUtils]: For program point L6965(lines 6964 6982) no Hoare annotation was computed. [2020-12-23 15:24:13,060 INFO L189 CegarLoopUtils]: For program point L6206(line 6206) no Hoare annotation was computed. [2020-12-23 15:24:13,060 INFO L189 CegarLoopUtils]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2020-12-23 15:24:13,060 INFO L189 CegarLoopUtils]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2020-12-23 15:24:13,060 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)) [2020-12-23 15:24:13,060 INFO L189 CegarLoopUtils]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2020-12-23 15:24:13,061 INFO L189 CegarLoopUtils]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2020-12-23 15:24:13,061 INFO L189 CegarLoopUtils]: For program point L6110(line 6110) no Hoare annotation was computed. [2020-12-23 15:24:13,061 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,061 INFO L189 CegarLoopUtils]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,061 INFO L189 CegarLoopUtils]: For program point L-1-2(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,061 INFO L189 CegarLoopUtils]: For program point L-1-3(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,061 INFO L189 CegarLoopUtils]: For program point L-1-4(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,061 INFO L189 CegarLoopUtils]: For program point L-1-5(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,061 INFO L189 CegarLoopUtils]: For program point L-1-6(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,062 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2020-12-23 15:24:13,062 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)) [2020-12-23 15:24:13,062 INFO L189 CegarLoopUtils]: For program point L-1-9(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,062 INFO L189 CegarLoopUtils]: For program point L6969(lines 6964 6982) no Hoare annotation was computed. [2020-12-23 15:24:13,062 INFO L189 CegarLoopUtils]: For program point L-1-10(line -1) no Hoare annotation was computed. [2020-12-23 15:24:13,062 INFO L189 CegarLoopUtils]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2020-12-23 15:24:13,062 INFO L189 CegarLoopUtils]: For program point L6177(line 6177) no Hoare annotation was computed. [2020-12-23 15:24:13,063 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)) [2020-12-23 15:24:13,063 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)) [2020-12-23 15:24:13,063 INFO L189 CegarLoopUtils]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2020-12-23 15:24:13,063 INFO L189 CegarLoopUtils]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2020-12-23 15:24:13,063 INFO L189 CegarLoopUtils]: For program point L6079(line 6079) no Hoare annotation was computed. [2020-12-23 15:24:13,063 INFO L189 CegarLoopUtils]: For program point L6046(line 6046) no Hoare annotation was computed. [2020-12-23 15:24:13,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 03:24:13 BoogieIcfgContainer [2020-12-23 15:24:13,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 15:24:13,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 15:24:13,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 15:24:13,098 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 15:24:13,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:24:07" (3/4) ... [2020-12-23 15:24:13,102 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 15:24:13,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-12-23 15:24:13,140 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-12-23 15:24:13,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-23 15:24:13,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 15:24:13,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 15:24:13,201 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) [2020-12-23 15:24:13,202 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) [2020-12-23 15:24:13,202 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 [2020-12-23 15:24:13,202 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 [2020-12-23 15:24:13,204 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 [2020-12-23 15:24:13,633 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 [2020-12-23 15:24:13,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 15:24:13,636 INFO L168 Benchmark]: Toolchain (without parser) took 9786.89 ms. Allocated memory was 166.7 MB in the beginning and 396.4 MB in the end (delta: 229.6 MB). Free memory was 134.6 MB in the beginning and 274.0 MB in the end (delta: -139.4 MB). Peak memory consumption was 215.9 MB. Max. memory is 8.0 GB. [2020-12-23 15:24:13,636 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 166.7 MB. Free memory is still 138.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 15:24:13,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1905.92 ms. Allocated memory is still 166.7 MB. Free memory was 134.4 MB in the beginning and 54.9 MB in the end (delta: 79.5 MB). Peak memory consumption was 78.4 MB. Max. memory is 8.0 GB. [2020-12-23 15:24:13,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 239.47 ms. Allocated memory is still 166.7 MB. Free memory was 54.9 MB in the beginning and 119.2 MB in the end (delta: -64.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 8.0 GB. [2020-12-23 15:24:13,638 INFO L168 Benchmark]: Boogie Preprocessor took 197.29 ms. Allocated memory was 166.7 MB in the beginning and 239.1 MB in the end (delta: 72.4 MB). Free memory was 119.2 MB in the beginning and 193.5 MB in the end (delta: -74.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB. [2020-12-23 15:24:13,638 INFO L168 Benchmark]: RCFGBuilder took 1797.52 ms. Allocated memory is still 239.1 MB. Free memory was 193.5 MB in the beginning and 155.1 MB in the end (delta: 38.3 MB). Peak memory consumption was 79.2 MB. Max. memory is 8.0 GB. [2020-12-23 15:24:13,638 INFO L168 Benchmark]: TraceAbstraction took 5102.44 ms. Allocated memory was 239.1 MB in the beginning and 326.1 MB in the end (delta: 87.0 MB). Free memory was 154.6 MB in the beginning and 170.2 MB in the end (delta: -15.6 MB). Peak memory consumption was 159.0 MB. Max. memory is 8.0 GB. [2020-12-23 15:24:13,639 INFO L168 Benchmark]: Witness Printer took 535.99 ms. Allocated memory was 326.1 MB in the beginning and 396.4 MB in the end (delta: 70.3 MB). Free memory was 170.2 MB in the beginning and 274.0 MB in the end (delta: -103.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 8.0 GB. [2020-12-23 15:24:13,641 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 166.7 MB. Free memory is still 138.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1905.92 ms. Allocated memory is still 166.7 MB. Free memory was 134.4 MB in the beginning and 54.9 MB in the end (delta: 79.5 MB). Peak memory consumption was 78.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 239.47 ms. Allocated memory is still 166.7 MB. Free memory was 54.9 MB in the beginning and 119.2 MB in the end (delta: -64.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 197.29 ms. Allocated memory was 166.7 MB in the beginning and 239.1 MB in the end (delta: 72.4 MB). Free memory was 119.2 MB in the beginning and 193.5 MB in the end (delta: -74.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1797.52 ms. Allocated memory is still 239.1 MB. Free memory was 193.5 MB in the beginning and 155.1 MB in the end (delta: 38.3 MB). Peak memory consumption was 79.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5102.44 ms. Allocated memory was 239.1 MB in the beginning and 326.1 MB in the end (delta: 87.0 MB). Free memory was 154.6 MB in the beginning and 170.2 MB in the end (delta: -15.6 MB). Peak memory consumption was 159.0 MB. Max. memory is 8.0 GB. * Witness Printer took 535.99 ms. Allocated memory was 326.1 MB in the beginning and 396.4 MB in the end (delta: 70.3 MB). Free memory was 170.2 MB in the beginning and 274.0 MB in the end (delta: -103.8 MB). Peak memory consumption was 89.7 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: 0.6s, 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1235 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 48 PreInvPairs, 203 NumberOfFragments, 634 HoareAnnotationTreeSize, 48 FomulaSimplifications, 10313 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.4s 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...