./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/config/TaipanReach.xml -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_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24779204d88cf57957c9dfe5b601cab1deec6a1c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 01:06:00,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 01:06:00,960 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 01:06:00,969 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 01:06:00,969 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 01:06:00,970 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 01:06:00,971 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 01:06:00,973 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 01:06:00,974 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 01:06:00,975 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 01:06:00,978 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 01:06:00,978 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 01:06:00,979 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 01:06:00,979 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 01:06:00,980 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 01:06:00,981 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 01:06:00,981 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 01:06:00,983 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 01:06:00,996 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 01:06:00,997 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 01:06:00,998 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 01:06:00,998 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 01:06:01,000 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 01:06:01,000 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 01:06:01,000 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 01:06:01,001 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 01:06:01,002 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 01:06:01,002 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 01:06:01,003 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 01:06:01,004 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 01:06:01,008 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 01:06:01,009 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 01:06:01,009 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 01:06:01,009 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 01:06:01,010 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 01:06:01,010 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 01:06:01,010 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 01:06:01,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 01:06:01,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 01:06:01,031 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 01:06:01,031 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 01:06:01,031 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 01:06:01,031 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 01:06:01,031 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 01:06:01,032 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 01:06:01,032 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 01:06:01,032 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 01:06:01,032 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 01:06:01,032 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 01:06:01,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 01:06:01,033 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 01:06:01,033 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 01:06:01,033 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 01:06:01,033 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 01:06:01,033 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 01:06:01,033 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 01:06:01,033 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 01:06:01,034 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 01:06:01,034 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 01:06:01,034 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 01:06:01,034 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 01:06:01,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 01:06:01,034 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 01:06:01,034 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 01:06:01,035 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 01:06:01,035 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 01:06:01,035 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 01:06:01,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 01:06:01,035 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 01:06:01,035 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 01:06:01,035 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24779204d88cf57957c9dfe5b601cab1deec6a1c [2018-10-27 01:06:01,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 01:06:01,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 01:06:01,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 01:06:01,078 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 01:06:01,079 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 01:06:01,079 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c [2018-10-27 01:06:01,119 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/data/199a11560/ae8ebc8f08204da1bd0fa90b16a58d93/FLAG375253fb2 [2018-10-27 01:06:01,744 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 01:06:01,746 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c [2018-10-27 01:06:01,785 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/data/199a11560/ae8ebc8f08204da1bd0fa90b16a58d93/FLAG375253fb2 [2018-10-27 01:06:01,800 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/data/199a11560/ae8ebc8f08204da1bd0fa90b16a58d93 [2018-10-27 01:06:01,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 01:06:01,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 01:06:01,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 01:06:01,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 01:06:01,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 01:06:01,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:06:01" (1/1) ... [2018-10-27 01:06:01,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a8924c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:01, skipping insertion in model container [2018-10-27 01:06:01,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:06:01" (1/1) ... [2018-10-27 01:06:01,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 01:06:01,919 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 01:06:03,204 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 01:06:03,307 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 01:06:03,774 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 01:06:03,846 INFO L193 MainTranslator]: Completed translation [2018-10-27 01:06:03,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03 WrapperNode [2018-10-27 01:06:03,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 01:06:03,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 01:06:03,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 01:06:03,848 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 01:06:03,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03" (1/1) ... [2018-10-27 01:06:03,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03" (1/1) ... [2018-10-27 01:06:03,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 01:06:03,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 01:06:03,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 01:06:03,959 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 01:06:03,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03" (1/1) ... [2018-10-27 01:06:03,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03" (1/1) ... [2018-10-27 01:06:03,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03" (1/1) ... [2018-10-27 01:06:04,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03" (1/1) ... [2018-10-27 01:06:04,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03" (1/1) ... [2018-10-27 01:06:04,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03" (1/1) ... [2018-10-27 01:06:04,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03" (1/1) ... [2018-10-27 01:06:04,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 01:06:04,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 01:06:04,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 01:06:04,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 01:06:04,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/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 [2018-10-27 01:06:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2018-10-27 01:06:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2018-10-27 01:06:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-10-27 01:06:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-10-27 01:06:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-10-27 01:06:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-10-27 01:06:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2018-10-27 01:06:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2018-10-27 01:06:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2018-10-27 01:06:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2018-10-27 01:06:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2018-10-27 01:06:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2018-10-27 01:06:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2018-10-27 01:06:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2018-10-27 01:06:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2018-10-27 01:06:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2018-10-27 01:06:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-10-27 01:06:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-10-27 01:06:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2018-10-27 01:06:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2018-10-27 01:06:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-10-27 01:06:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-10-27 01:06:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2018-10-27 01:06:04,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2018-10-27 01:06:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-10-27 01:06:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-10-27 01:06:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-10-27 01:06:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-10-27 01:06:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 01:06:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 01:06:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-10-27 01:06:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-10-27 01:06:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2018-10-27 01:06:04,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2018-10-27 01:06:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2018-10-27 01:06:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2018-10-27 01:06:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 01:06:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 01:06:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-10-27 01:06:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-10-27 01:06:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2018-10-27 01:06:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2018-10-27 01:06:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2018-10-27 01:06:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2018-10-27 01:06:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2018-10-27 01:06:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2018-10-27 01:06:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-10-27 01:06:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-10-27 01:06:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 01:06:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 01:06:18,812 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 01:06:18,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:06:18 BoogieIcfgContainer [2018-10-27 01:06:18,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 01:06:18,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 01:06:18,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 01:06:18,817 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 01:06:18,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:06:01" (1/3) ... [2018-10-27 01:06:18,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2aa364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:06:18, skipping insertion in model container [2018-10-27 01:06:18,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:06:03" (2/3) ... [2018-10-27 01:06:18,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2aa364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:06:18, skipping insertion in model container [2018-10-27 01:06:18,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:06:18" (3/3) ... [2018-10-27 01:06:18,821 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c [2018-10-27 01:06:18,829 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 01:06:18,835 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 01:06:18,849 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 01:06:18,877 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 01:06:18,877 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 01:06:18,878 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 01:06:18,878 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 01:06:18,878 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 01:06:18,878 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 01:06:18,878 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 01:06:18,878 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 01:06:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2018-10-27 01:06:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-27 01:06:18,906 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:06:18,907 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:06:18,910 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:06:18,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:06:18,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1320678219, now seen corresponding path program 1 times [2018-10-27 01:06:18,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:06:18,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:18,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:06:18,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:18,980 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:06:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:06:19,565 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-27 01:06:19,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:06:19,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 01:06:19,567 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:06:19,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 01:06:19,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 01:06:19,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 01:06:19,586 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 3 states. [2018-10-27 01:06:21,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:06:21,782 INFO L93 Difference]: Finished difference Result 550 states and 772 transitions. [2018-10-27 01:06:21,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 01:06:21,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2018-10-27 01:06:21,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:06:21,793 INFO L225 Difference]: With dead ends: 550 [2018-10-27 01:06:21,794 INFO L226 Difference]: Without dead ends: 334 [2018-10-27 01:06:21,797 INFO L605 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 [2018-10-27 01:06:21,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-10-27 01:06:21,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 330. [2018-10-27 01:06:21,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-10-27 01:06:21,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 440 transitions. [2018-10-27 01:06:21,856 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 440 transitions. Word has length 103 [2018-10-27 01:06:21,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:06:21,857 INFO L481 AbstractCegarLoop]: Abstraction has 330 states and 440 transitions. [2018-10-27 01:06:21,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 01:06:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 440 transitions. [2018-10-27 01:06:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-27 01:06:21,861 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:06:21,862 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:06:21,862 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:06:21,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:06:21,862 INFO L82 PathProgramCache]: Analyzing trace with hash 596975347, now seen corresponding path program 1 times [2018-10-27 01:06:21,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:06:21,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:21,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:06:21,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:21,868 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:06:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:06:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-10-27 01:06:22,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:06:22,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 01:06:22,140 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:06:22,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 01:06:22,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 01:06:22,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 01:06:22,143 INFO L87 Difference]: Start difference. First operand 330 states and 440 transitions. Second operand 3 states. [2018-10-27 01:06:22,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:06:22,279 INFO L93 Difference]: Finished difference Result 801 states and 1102 transitions. [2018-10-27 01:06:22,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 01:06:22,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2018-10-27 01:06:22,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:06:22,283 INFO L225 Difference]: With dead ends: 801 [2018-10-27 01:06:22,283 INFO L226 Difference]: Without dead ends: 509 [2018-10-27 01:06:22,286 INFO L605 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 [2018-10-27 01:06:22,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2018-10-27 01:06:22,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 490. [2018-10-27 01:06:22,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2018-10-27 01:06:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 684 transitions. [2018-10-27 01:06:22,324 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 684 transitions. Word has length 105 [2018-10-27 01:06:22,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:06:22,325 INFO L481 AbstractCegarLoop]: Abstraction has 490 states and 684 transitions. [2018-10-27 01:06:22,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 01:06:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 684 transitions. [2018-10-27 01:06:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-27 01:06:22,329 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:06:22,329 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:06:22,329 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:06:22,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:06:22,329 INFO L82 PathProgramCache]: Analyzing trace with hash 2033082838, now seen corresponding path program 1 times [2018-10-27 01:06:22,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:06:22,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:22,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:06:22,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:22,334 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:06:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:06:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-10-27 01:06:22,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:06:22,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 01:06:22,604 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:06:22,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 01:06:22,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 01:06:22,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 01:06:22,605 INFO L87 Difference]: Start difference. First operand 490 states and 684 transitions. Second operand 3 states. [2018-10-27 01:06:22,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:06:22,724 INFO L93 Difference]: Finished difference Result 512 states and 710 transitions. [2018-10-27 01:06:22,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 01:06:22,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-10-27 01:06:22,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:06:22,729 INFO L225 Difference]: With dead ends: 512 [2018-10-27 01:06:22,732 INFO L226 Difference]: Without dead ends: 501 [2018-10-27 01:06:22,733 INFO L605 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 [2018-10-27 01:06:22,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2018-10-27 01:06:22,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 490. [2018-10-27 01:06:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2018-10-27 01:06:22,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 683 transitions. [2018-10-27 01:06:22,763 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 683 transitions. Word has length 124 [2018-10-27 01:06:22,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:06:22,764 INFO L481 AbstractCegarLoop]: Abstraction has 490 states and 683 transitions. [2018-10-27 01:06:22,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 01:06:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 683 transitions. [2018-10-27 01:06:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-27 01:06:22,769 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:06:22,770 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:06:22,770 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:06:22,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:06:22,770 INFO L82 PathProgramCache]: Analyzing trace with hash 2090341140, now seen corresponding path program 1 times [2018-10-27 01:06:22,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:06:22,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:22,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:06:22,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:22,777 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:06:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:06:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-10-27 01:06:23,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:06:23,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 01:06:23,101 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:06:23,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 01:06:23,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 01:06:23,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 01:06:23,103 INFO L87 Difference]: Start difference. First operand 490 states and 683 transitions. Second operand 3 states. [2018-10-27 01:06:23,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:06:23,137 INFO L93 Difference]: Finished difference Result 492 states and 684 transitions. [2018-10-27 01:06:23,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 01:06:23,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-10-27 01:06:23,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:06:23,141 INFO L225 Difference]: With dead ends: 492 [2018-10-27 01:06:23,142 INFO L226 Difference]: Without dead ends: 489 [2018-10-27 01:06:23,143 INFO L605 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 [2018-10-27 01:06:23,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-10-27 01:06:23,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-10-27 01:06:23,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-10-27 01:06:23,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 681 transitions. [2018-10-27 01:06:23,170 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 681 transitions. Word has length 124 [2018-10-27 01:06:23,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:06:23,172 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 681 transitions. [2018-10-27 01:06:23,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 01:06:23,172 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 681 transitions. [2018-10-27 01:06:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-27 01:06:23,178 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:06:23,178 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:06:23,178 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:06:23,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:06:23,179 INFO L82 PathProgramCache]: Analyzing trace with hash 376046158, now seen corresponding path program 1 times [2018-10-27 01:06:23,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:06:23,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:23,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:06:23,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:23,182 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:06:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:06:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-10-27 01:06:23,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:06:23,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 01:06:23,482 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:06:23,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 01:06:23,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 01:06:23,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 01:06:23,485 INFO L87 Difference]: Start difference. First operand 489 states and 681 transitions. Second operand 3 states. [2018-10-27 01:06:23,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:06:23,514 INFO L93 Difference]: Finished difference Result 491 states and 682 transitions. [2018-10-27 01:06:23,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 01:06:23,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-10-27 01:06:23,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:06:23,520 INFO L225 Difference]: With dead ends: 491 [2018-10-27 01:06:23,520 INFO L226 Difference]: Without dead ends: 488 [2018-10-27 01:06:23,521 INFO L605 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 [2018-10-27 01:06:23,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-10-27 01:06:23,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2018-10-27 01:06:23,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-10-27 01:06:23,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 679 transitions. [2018-10-27 01:06:23,545 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 679 transitions. Word has length 125 [2018-10-27 01:06:23,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:06:23,546 INFO L481 AbstractCegarLoop]: Abstraction has 488 states and 679 transitions. [2018-10-27 01:06:23,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 01:06:23,546 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 679 transitions. [2018-10-27 01:06:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-27 01:06:23,548 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:06:23,548 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:06:23,548 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:06:23,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:06:23,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1227485865, now seen corresponding path program 1 times [2018-10-27 01:06:23,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:06:23,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:23,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:06:23,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:23,559 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:06:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:06:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-10-27 01:06:23,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:06:23,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 01:06:23,836 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:06:23,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 01:06:23,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 01:06:23,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 01:06:23,837 INFO L87 Difference]: Start difference. First operand 488 states and 679 transitions. Second operand 3 states. [2018-10-27 01:06:23,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:06:23,870 INFO L93 Difference]: Finished difference Result 490 states and 680 transitions. [2018-10-27 01:06:23,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 01:06:23,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-10-27 01:06:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:06:23,873 INFO L225 Difference]: With dead ends: 490 [2018-10-27 01:06:23,874 INFO L226 Difference]: Without dead ends: 487 [2018-10-27 01:06:23,875 INFO L605 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 [2018-10-27 01:06:23,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-10-27 01:06:23,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2018-10-27 01:06:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-10-27 01:06:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 677 transitions. [2018-10-27 01:06:23,899 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 677 transitions. Word has length 126 [2018-10-27 01:06:23,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:06:23,901 INFO L481 AbstractCegarLoop]: Abstraction has 487 states and 677 transitions. [2018-10-27 01:06:23,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 01:06:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 677 transitions. [2018-10-27 01:06:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 01:06:23,903 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:06:23,904 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:06:23,904 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:06:23,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:06:23,904 INFO L82 PathProgramCache]: Analyzing trace with hash 602633841, now seen corresponding path program 1 times [2018-10-27 01:06:23,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:06:23,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:23,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:06:23,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:23,910 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:06:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:06:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-10-27 01:06:24,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:06:24,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 01:06:24,174 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:06:24,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 01:06:24,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 01:06:24,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 01:06:24,175 INFO L87 Difference]: Start difference. First operand 487 states and 677 transitions. Second operand 3 states. [2018-10-27 01:06:24,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:06:24,339 INFO L93 Difference]: Finished difference Result 1361 states and 1935 transitions. [2018-10-27 01:06:24,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 01:06:24,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-10-27 01:06:24,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:06:24,345 INFO L225 Difference]: With dead ends: 1361 [2018-10-27 01:06:24,346 INFO L226 Difference]: Without dead ends: 899 [2018-10-27 01:06:24,347 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 01:06:24,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2018-10-27 01:06:24,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 890. [2018-10-27 01:06:24,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2018-10-27 01:06:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1266 transitions. [2018-10-27 01:06:24,385 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1266 transitions. Word has length 127 [2018-10-27 01:06:24,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:06:24,386 INFO L481 AbstractCegarLoop]: Abstraction has 890 states and 1266 transitions. [2018-10-27 01:06:24,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 01:06:24,386 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1266 transitions. [2018-10-27 01:06:24,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-27 01:06:24,389 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:06:24,389 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:06:24,390 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:06:24,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:06:24,390 INFO L82 PathProgramCache]: Analyzing trace with hash -24574994, now seen corresponding path program 1 times [2018-10-27 01:06:24,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:06:24,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:24,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:06:24,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:24,393 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:06:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:06:24,710 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-10-27 01:06:24,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:06:24,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 01:06:24,711 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:06:24,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 01:06:24,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 01:06:24,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 01:06:24,712 INFO L87 Difference]: Start difference. First operand 890 states and 1266 transitions. Second operand 3 states. [2018-10-27 01:06:26,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:06:26,918 INFO L93 Difference]: Finished difference Result 1744 states and 2496 transitions. [2018-10-27 01:06:26,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 01:06:26,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2018-10-27 01:06:26,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:06:26,927 INFO L225 Difference]: With dead ends: 1744 [2018-10-27 01:06:26,927 INFO L226 Difference]: Without dead ends: 892 [2018-10-27 01:06:26,929 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 01:06:26,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-10-27 01:06:26,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 887. [2018-10-27 01:06:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2018-10-27 01:06:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1257 transitions. [2018-10-27 01:06:26,969 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1257 transitions. Word has length 159 [2018-10-27 01:06:26,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:06:26,970 INFO L481 AbstractCegarLoop]: Abstraction has 887 states and 1257 transitions. [2018-10-27 01:06:26,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 01:06:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1257 transitions. [2018-10-27 01:06:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-27 01:06:26,973 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:06:26,973 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:06:26,973 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:06:26,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:06:26,973 INFO L82 PathProgramCache]: Analyzing trace with hash 801190392, now seen corresponding path program 1 times [2018-10-27 01:06:26,973 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:06:26,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:26,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:06:26,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:26,978 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:06:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:06:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-10-27 01:06:27,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:06:27,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-27 01:06:27,762 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:06:27,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 01:06:27,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 01:06:27,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-27 01:06:27,763 INFO L87 Difference]: Start difference. First operand 887 states and 1257 transitions. Second operand 10 states. [2018-10-27 01:06:28,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:06:28,083 INFO L93 Difference]: Finished difference Result 1747 states and 2478 transitions. [2018-10-27 01:06:28,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 01:06:28,084 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 164 [2018-10-27 01:06:28,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:06:28,089 INFO L225 Difference]: With dead ends: 1747 [2018-10-27 01:06:28,089 INFO L226 Difference]: Without dead ends: 898 [2018-10-27 01:06:28,091 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-10-27 01:06:28,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2018-10-27 01:06:28,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 894. [2018-10-27 01:06:28,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-10-27 01:06:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1256 transitions. [2018-10-27 01:06:28,124 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1256 transitions. Word has length 164 [2018-10-27 01:06:28,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:06:28,124 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1256 transitions. [2018-10-27 01:06:28,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 01:06:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1256 transitions. [2018-10-27 01:06:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-27 01:06:28,127 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 01:06:28,127 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 01:06:28,127 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 01:06:28,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:06:28,128 INFO L82 PathProgramCache]: Analyzing trace with hash -772452234, now seen corresponding path program 1 times [2018-10-27 01:06:28,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 01:06:28,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:28,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 01:06:28,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 01:06:28,133 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 01:06:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:06:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-10-27 01:06:28,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 01:06:28,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 01:06:28,459 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 01:06:28,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 01:06:28,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 01:06:28,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 01:06:28,461 INFO L87 Difference]: Start difference. First operand 894 states and 1256 transitions. Second operand 7 states. [2018-10-27 01:06:28,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 01:06:28,641 INFO L93 Difference]: Finished difference Result 898 states and 1260 transitions. [2018-10-27 01:06:28,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 01:06:28,641 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2018-10-27 01:06:28,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 01:06:28,642 INFO L225 Difference]: With dead ends: 898 [2018-10-27 01:06:28,642 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 01:06:28,644 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 01:06:28,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 01:06:28,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 01:06:28,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 01:06:28,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 01:06:28,644 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-10-27 01:06:28,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 01:06:28,645 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 01:06:28,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 01:06:28,645 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 01:06:28,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 01:06:28,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 01:06:29,528 WARN L179 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2018-10-27 01:06:29,710 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2018-10-27 01:06:31,249 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2018-10-27 01:06:31,340 INFO L421 ceAbstractionStarter]: At program point L7006(line 7006) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,340 INFO L425 ceAbstractionStarter]: For program point L7005-1(lines 7005 7009) no Hoare annotation was computed. [2018-10-27 01:06:31,340 INFO L425 ceAbstractionStarter]: For program point L7005(lines 7005 7009) no Hoare annotation was computed. [2018-10-27 01:06:31,340 INFO L425 ceAbstractionStarter]: For program point ldv_mutex_lock_udevFINAL(lines 7000 7013) no Hoare annotation was computed. [2018-10-27 01:06:31,341 INFO L421 ceAbstractionStarter]: At program point ldv_mutex_lock_udevENTRY(lines 7000 7013) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,341 INFO L425 ceAbstractionStarter]: For program point ldv_mutex_lock_udevEXIT(lines 7000 7013) no Hoare annotation was computed. [2018-10-27 01:06:31,341 INFO L425 ceAbstractionStarter]: For program point ldv_mutex_unlock_udevEXIT(lines 7070 7083) no Hoare annotation was computed. [2018-10-27 01:06:31,341 INFO L425 ceAbstractionStarter]: For program point L7075-1(lines 7075 7079) no Hoare annotation was computed. [2018-10-27 01:06:31,341 INFO L425 ceAbstractionStarter]: For program point L7075(lines 7075 7079) no Hoare annotation was computed. [2018-10-27 01:06:31,341 INFO L421 ceAbstractionStarter]: At program point L7076(line 7076) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,341 INFO L421 ceAbstractionStarter]: At program point ldv_mutex_unlock_udevENTRY(lines 7070 7083) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,341 INFO L425 ceAbstractionStarter]: For program point ldv_mutex_unlock_udevFINAL(lines 7070 7083) no Hoare annotation was computed. [2018-10-27 01:06:31,341 INFO L425 ceAbstractionStarter]: For program point L6179-2(lines 6177 6195) no Hoare annotation was computed. [2018-10-27 01:06:31,341 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 6000 6276) no Hoare annotation was computed. [2018-10-27 01:06:31,341 INFO L425 ceAbstractionStarter]: For program point L6163(line 6163) no Hoare annotation was computed. [2018-10-27 01:06:31,342 INFO L421 ceAbstractionStarter]: At program point L6031(line 6031) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,342 INFO L425 ceAbstractionStarter]: For program point L6031-1(line 6031) no Hoare annotation was computed. [2018-10-27 01:06:31,342 INFO L425 ceAbstractionStarter]: For program point L6097(lines 6097 6102) no Hoare annotation was computed. [2018-10-27 01:06:31,342 INFO L421 ceAbstractionStarter]: At program point L6213(line 6213) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,342 INFO L425 ceAbstractionStarter]: For program point L6213-1(line 6213) no Hoare annotation was computed. [2018-10-27 01:06:31,342 INFO L425 ceAbstractionStarter]: For program point L6230(lines 6230 6241) no Hoare annotation was computed. [2018-10-27 01:06:31,342 INFO L425 ceAbstractionStarter]: For program point L6131(line 6131) no Hoare annotation was computed. [2018-10-27 01:06:31,342 INFO L425 ceAbstractionStarter]: For program point L6164(lines 6164 6205) no Hoare annotation was computed. [2018-10-27 01:06:31,342 INFO L425 ceAbstractionStarter]: For program point L6247(line 6247) no Hoare annotation was computed. [2018-10-27 01:06:31,342 INFO L425 ceAbstractionStarter]: For program point L6082(line 6082) no Hoare annotation was computed. [2018-10-27 01:06:31,342 INFO L425 ceAbstractionStarter]: For program point L6049(lines 6049 6269) no Hoare annotation was computed. [2018-10-27 01:06:31,342 INFO L425 ceAbstractionStarter]: For program point L6231(line 6231) no Hoare annotation was computed. [2018-10-27 01:06:31,343 INFO L425 ceAbstractionStarter]: For program point L6132(lines 6132 6141) no Hoare annotation was computed. [2018-10-27 01:06:31,343 INFO L421 ceAbstractionStarter]: At program point L6033(line 6033) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,343 INFO L425 ceAbstractionStarter]: For program point L6033-1(line 6033) no Hoare annotation was computed. [2018-10-27 01:06:31,343 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 6000 6276) no Hoare annotation was computed. [2018-10-27 01:06:31,343 INFO L425 ceAbstractionStarter]: For program point L6248(lines 6248 6265) no Hoare annotation was computed. [2018-10-27 01:06:31,343 INFO L428 ceAbstractionStarter]: At program point L6083(line 6083) the Hoare annotation is: true [2018-10-27 01:06:31,343 INFO L425 ceAbstractionStarter]: For program point L6050(line 6050) no Hoare annotation was computed. [2018-10-27 01:06:31,343 INFO L425 ceAbstractionStarter]: For program point L6199(line 6199) no Hoare annotation was computed. [2018-10-27 01:06:31,343 INFO L425 ceAbstractionStarter]: For program point L6166(lines 6166 6201) no Hoare annotation was computed. [2018-10-27 01:06:31,343 INFO L425 ceAbstractionStarter]: For program point L6232(lines 6232 6237) no Hoare annotation was computed. [2018-10-27 01:06:31,343 INFO L425 ceAbstractionStarter]: For program point L6051(lines 6051 6068) no Hoare annotation was computed. [2018-10-27 01:06:31,343 INFO L425 ceAbstractionStarter]: For program point L6167(line 6167) no Hoare annotation was computed. [2018-10-27 01:06:31,343 INFO L425 ceAbstractionStarter]: For program point L6134(lines 6134 6138) no Hoare annotation was computed. [2018-10-27 01:06:31,344 INFO L421 ceAbstractionStarter]: At program point L6233(line 6233) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,344 INFO L428 ceAbstractionStarter]: At program point L6200(line 6200) the Hoare annotation is: true [2018-10-27 01:06:31,344 INFO L425 ceAbstractionStarter]: For program point L6233-1(line 6233) no Hoare annotation was computed. [2018-10-27 01:06:31,344 INFO L421 ceAbstractionStarter]: At program point L6035(line 6035) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,344 INFO L425 ceAbstractionStarter]: For program point L6035-1(line 6035) no Hoare annotation was computed. [2018-10-27 01:06:31,344 INFO L425 ceAbstractionStarter]: For program point L6250(lines 6250 6261) no Hoare annotation was computed. [2018-10-27 01:06:31,344 INFO L425 ceAbstractionStarter]: For program point L6267(line 6267) no Hoare annotation was computed. [2018-10-27 01:06:31,344 INFO L425 ceAbstractionStarter]: For program point L6168(lines 6168 6174) no Hoare annotation was computed. [2018-10-27 01:06:31,344 INFO L425 ceAbstractionStarter]: For program point L6251(line 6251) no Hoare annotation was computed. [2018-10-27 01:06:31,344 INFO L425 ceAbstractionStarter]: For program point L6053(lines 6053 6064) no Hoare annotation was computed. [2018-10-27 01:06:31,344 INFO L428 ceAbstractionStarter]: At program point L6268(line 6268) the Hoare annotation is: true [2018-10-27 01:06:31,344 INFO L425 ceAbstractionStarter]: For program point L6070(line 6070) no Hoare annotation was computed. [2018-10-27 01:06:31,345 INFO L421 ceAbstractionStarter]: At program point L6169(line 6169) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,345 INFO L425 ceAbstractionStarter]: For program point L6169-1(line 6169) no Hoare annotation was computed. [2018-10-27 01:06:31,345 INFO L425 ceAbstractionStarter]: For program point L6219(line 6219) no Hoare annotation was computed. [2018-10-27 01:06:31,345 INFO L425 ceAbstractionStarter]: For program point L6252(lines 6252 6257) no Hoare annotation was computed. [2018-10-27 01:06:31,345 INFO L425 ceAbstractionStarter]: For program point L6054(line 6054) no Hoare annotation was computed. [2018-10-27 01:06:31,345 INFO L425 ceAbstractionStarter]: For program point L6071(lines 6071 6088) no Hoare annotation was computed. [2018-10-27 01:06:31,345 INFO L421 ceAbstractionStarter]: At program point L6038(line 6038) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,345 INFO L425 ceAbstractionStarter]: For program point L6038-1(line 6038) no Hoare annotation was computed. [2018-10-27 01:06:31,345 INFO L421 ceAbstractionStarter]: At program point L6253(line 6253) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,345 INFO L428 ceAbstractionStarter]: At program point L6220(line 6220) the Hoare annotation is: true [2018-10-27 01:06:31,345 INFO L425 ceAbstractionStarter]: For program point L6253-1(line 6253) no Hoare annotation was computed. [2018-10-27 01:06:31,345 INFO L425 ceAbstractionStarter]: For program point L6055(lines 6055 6060) no Hoare annotation was computed. [2018-10-27 01:06:31,346 INFO L421 ceAbstractionStarter]: At program point L6270(lines 6024 6275) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,346 INFO L425 ceAbstractionStarter]: For program point L6155(line 6155) no Hoare annotation was computed. [2018-10-27 01:06:31,346 INFO L425 ceAbstractionStarter]: For program point L6056-1(line 6056) no Hoare annotation was computed. [2018-10-27 01:06:31,346 INFO L421 ceAbstractionStarter]: At program point L6056(line 6056) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,346 INFO L425 ceAbstractionStarter]: For program point L6073(lines 6073 6084) no Hoare annotation was computed. [2018-10-27 01:06:31,346 INFO L425 ceAbstractionStarter]: For program point L6123(line 6123) no Hoare annotation was computed. [2018-10-27 01:06:31,346 INFO L425 ceAbstractionStarter]: For program point L6090(line 6090) no Hoare annotation was computed. [2018-10-27 01:06:31,346 INFO L428 ceAbstractionStarter]: At program point L6156(line 6156) the Hoare annotation is: true [2018-10-27 01:06:31,346 INFO L425 ceAbstractionStarter]: For program point L6239(line 6239) no Hoare annotation was computed. [2018-10-27 01:06:31,346 INFO L425 ceAbstractionStarter]: For program point L6107(line 6107) no Hoare annotation was computed. [2018-10-27 01:06:31,346 INFO L425 ceAbstractionStarter]: For program point L6074(line 6074) no Hoare annotation was computed. [2018-10-27 01:06:31,346 INFO L425 ceAbstractionStarter]: For program point L6091(lines 6091 6161) no Hoare annotation was computed. [2018-10-27 01:06:31,347 INFO L425 ceAbstractionStarter]: For program point L6124(lines 6124 6129) no Hoare annotation was computed. [2018-10-27 01:06:31,347 INFO L421 ceAbstractionStarter]: At program point L6025(line 6025) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,347 INFO L425 ceAbstractionStarter]: For program point L6025-1(line 6025) no Hoare annotation was computed. [2018-10-27 01:06:31,347 INFO L425 ceAbstractionStarter]: For program point L6207(line 6207) no Hoare annotation was computed. [2018-10-27 01:06:31,347 INFO L425 ceAbstractionStarter]: For program point L6273(line 6273) no Hoare annotation was computed. [2018-10-27 01:06:31,347 INFO L428 ceAbstractionStarter]: At program point L6240(line 6240) the Hoare annotation is: true [2018-10-27 01:06:31,347 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 6000 6276) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,347 INFO L425 ceAbstractionStarter]: For program point L6075(lines 6075 6080) no Hoare annotation was computed. [2018-10-27 01:06:31,347 INFO L425 ceAbstractionStarter]: For program point L6108-2(lines 6093 6157) no Hoare annotation was computed. [2018-10-27 01:06:31,347 INFO L425 ceAbstractionStarter]: For program point L6108(lines 6108 6114) no Hoare annotation was computed. [2018-10-27 01:06:31,347 INFO L421 ceAbstractionStarter]: At program point L6191(lines 6024 6275) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (= 1 ~ldv_mutex_udev~0)) [2018-10-27 01:06:31,348 INFO L425 ceAbstractionStarter]: For program point L6208(lines 6208 6225) no Hoare annotation was computed. [2018-10-27 01:06:31,348 INFO L425 ceAbstractionStarter]: For program point L6076-1(line 6076) no Hoare annotation was computed. [2018-10-27 01:06:31,348 INFO L421 ceAbstractionStarter]: At program point L6076(line 6076) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,348 INFO L421 ceAbstractionStarter]: At program point L6027(line 6027) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,348 INFO L425 ceAbstractionStarter]: For program point L6027-1(line 6027) no Hoare annotation was computed. [2018-10-27 01:06:31,348 INFO L425 ceAbstractionStarter]: For program point L6093(lines 6093 6157) no Hoare annotation was computed. [2018-10-27 01:06:31,348 INFO L425 ceAbstractionStarter]: For program point L6143(line 6143) no Hoare annotation was computed. [2018-10-27 01:06:31,348 INFO L425 ceAbstractionStarter]: For program point L6176(line 6176) no Hoare annotation was computed. [2018-10-27 01:06:31,348 INFO L425 ceAbstractionStarter]: For program point L6259(line 6259) no Hoare annotation was computed. [2018-10-27 01:06:31,348 INFO L425 ceAbstractionStarter]: For program point L6094(line 6094) no Hoare annotation was computed. [2018-10-27 01:06:31,348 INFO L425 ceAbstractionStarter]: For program point L6210(lines 6210 6221) no Hoare annotation was computed. [2018-10-27 01:06:31,348 INFO L425 ceAbstractionStarter]: For program point L6177(lines 6177 6197) no Hoare annotation was computed. [2018-10-27 01:06:31,349 INFO L425 ceAbstractionStarter]: For program point L6144(lines 6144 6153) no Hoare annotation was computed. [2018-10-27 01:06:31,349 INFO L425 ceAbstractionStarter]: For program point L6227(line 6227) no Hoare annotation was computed. [2018-10-27 01:06:31,349 INFO L428 ceAbstractionStarter]: At program point L6260(line 6260) the Hoare annotation is: true [2018-10-27 01:06:31,349 INFO L425 ceAbstractionStarter]: For program point L6095(lines 6095 6105) no Hoare annotation was computed. [2018-10-27 01:06:31,349 INFO L425 ceAbstractionStarter]: For program point L6062(line 6062) no Hoare annotation was computed. [2018-10-27 01:06:31,349 INFO L421 ceAbstractionStarter]: At program point L6029(line 6029) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,349 INFO L425 ceAbstractionStarter]: For program point L6029-1(line 6029) no Hoare annotation was computed. [2018-10-27 01:06:31,349 INFO L425 ceAbstractionStarter]: For program point L6211(line 6211) no Hoare annotation was computed. [2018-10-27 01:06:31,349 INFO L421 ceAbstractionStarter]: At program point L6178(line 6178) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0) (= 1 ~ldv_state_variable_0~0))) [2018-10-27 01:06:31,349 INFO L425 ceAbstractionStarter]: For program point L6178-1(line 6178) no Hoare annotation was computed. [2018-10-27 01:06:31,350 INFO L425 ceAbstractionStarter]: For program point L6228(lines 6228 6245) no Hoare annotation was computed. [2018-10-27 01:06:31,350 INFO L428 ceAbstractionStarter]: At program point L6063(line 6063) the Hoare annotation is: true [2018-10-27 01:06:31,350 INFO L425 ceAbstractionStarter]: For program point L6179(lines 6179 6188) no Hoare annotation was computed. [2018-10-27 01:06:31,350 INFO L425 ceAbstractionStarter]: For program point L6146(lines 6146 6150) no Hoare annotation was computed. [2018-10-27 01:06:31,350 INFO L425 ceAbstractionStarter]: For program point L6212(lines 6212 6217) no Hoare annotation was computed. [2018-10-27 01:06:31,350 INFO L428 ceAbstractionStarter]: At program point ldv_undef_intENTRY(lines 5772 5780) the Hoare annotation is: true [2018-10-27 01:06:31,350 INFO L425 ceAbstractionStarter]: For program point ldv_undef_intFINAL(lines 5772 5780) no Hoare annotation was computed. [2018-10-27 01:06:31,350 INFO L425 ceAbstractionStarter]: For program point ldv_undef_intEXIT(lines 5772 5780) no Hoare annotation was computed. [2018-10-27 01:06:31,350 INFO L421 ceAbstractionStarter]: At program point ldv_usb_unlock_device_udevENTRY(lines 7118 7126) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,350 INFO L425 ceAbstractionStarter]: For program point ldv_usb_unlock_device_udevFINAL(lines 7118 7126) no Hoare annotation was computed. [2018-10-27 01:06:31,350 INFO L425 ceAbstractionStarter]: For program point ldv_usb_unlock_device_udevEXIT(lines 7118 7126) no Hoare annotation was computed. [2018-10-27 01:06:31,351 INFO L421 ceAbstractionStarter]: At program point L6366(line 6366) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,351 INFO L425 ceAbstractionStarter]: For program point ldv___ldv_usb_unlock_device_13EXIT(lines 6360 6369) no Hoare annotation was computed. [2018-10-27 01:06:31,351 INFO L421 ceAbstractionStarter]: At program point ldv___ldv_usb_unlock_device_13ENTRY(lines 6360 6369) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,351 INFO L425 ceAbstractionStarter]: For program point ldv___ldv_usb_unlock_device_13FINAL(lines 6360 6369) no Hoare annotation was computed. [2018-10-27 01:06:31,351 INFO L425 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 6395 6403) no Hoare annotation was computed. [2018-10-27 01:06:31,351 INFO L428 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 6395 6403) the Hoare annotation is: true [2018-10-27 01:06:31,351 INFO L425 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6401) no Hoare annotation was computed. [2018-10-27 01:06:31,351 INFO L425 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 6395 6403) no Hoare annotation was computed. [2018-10-27 01:06:31,351 INFO L425 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 5799 5807) no Hoare annotation was computed. [2018-10-27 01:06:31,351 INFO L425 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 5799 5807) no Hoare annotation was computed. [2018-10-27 01:06:31,352 INFO L428 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 5799 5807) the Hoare annotation is: true [2018-10-27 01:06:31,352 INFO L428 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-10-27 01:06:31,352 INFO L428 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-10-27 01:06:31,352 INFO L425 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-10-27 01:06:31,352 INFO L425 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-10-27 01:06:31,352 INFO L428 ceAbstractionStarter]: At program point always_connectedENTRY(lines 5846 5853) the Hoare annotation is: true [2018-10-27 01:06:31,352 INFO L425 ceAbstractionStarter]: For program point always_connectedFINAL(lines 5846 5853) no Hoare annotation was computed. [2018-10-27 01:06:31,352 INFO L425 ceAbstractionStarter]: For program point always_connectedEXIT(lines 5846 5853) no Hoare annotation was computed. [2018-10-27 01:06:31,352 INFO L428 ceAbstractionStarter]: At program point ldv_undef_int_negativeENTRY(lines 6404 6419) the Hoare annotation is: true [2018-10-27 01:06:31,352 INFO L428 ceAbstractionStarter]: At program point L6410(line 6410) the Hoare annotation is: true [2018-10-27 01:06:31,352 INFO L425 ceAbstractionStarter]: For program point L6412-1(lines 6412 6416) no Hoare annotation was computed. [2018-10-27 01:06:31,352 INFO L425 ceAbstractionStarter]: For program point L6412(lines 6412 6416) no Hoare annotation was computed. [2018-10-27 01:06:31,353 INFO L428 ceAbstractionStarter]: At program point L6413(line 6413) the Hoare annotation is: true [2018-10-27 01:06:31,353 INFO L425 ceAbstractionStarter]: For program point ldv_undef_int_negativeFINAL(lines 6404 6419) no Hoare annotation was computed. [2018-10-27 01:06:31,353 INFO L425 ceAbstractionStarter]: For program point L6410-1(line 6410) no Hoare annotation was computed. [2018-10-27 01:06:31,353 INFO L425 ceAbstractionStarter]: For program point ldv_undef_int_negativeEXIT(lines 6404 6419) no Hoare annotation was computed. [2018-10-27 01:06:31,353 INFO L425 ceAbstractionStarter]: For program point ldv_usb_deregister_15FINAL(lines 6385 6394) no Hoare annotation was computed. [2018-10-27 01:06:31,353 INFO L425 ceAbstractionStarter]: For program point ldv_usb_deregister_15EXIT(lines 6385 6394) no Hoare annotation was computed. [2018-10-27 01:06:31,353 INFO L428 ceAbstractionStarter]: At program point ldv_usb_deregister_15ENTRY(lines 6385 6394) the Hoare annotation is: true [2018-10-27 01:06:31,353 INFO L428 ceAbstractionStarter]: At program point cdc_subset_driver_exitENTRY(lines 5974 5982) the Hoare annotation is: true [2018-10-27 01:06:31,353 INFO L425 ceAbstractionStarter]: For program point cdc_subset_driver_exitEXIT(lines 5974 5982) no Hoare annotation was computed. [2018-10-27 01:06:31,353 INFO L425 ceAbstractionStarter]: For program point cdc_subset_driver_exitFINAL(lines 5974 5982) no Hoare annotation was computed. [2018-10-27 01:06:31,353 INFO L425 ceAbstractionStarter]: For program point ldv_usb_register_driver_14FINAL(lines 6370 6384) no Hoare annotation was computed. [2018-10-27 01:06:31,353 INFO L425 ceAbstractionStarter]: For program point ldv_usb_register_driver_14EXIT(lines 6370 6384) no Hoare annotation was computed. [2018-10-27 01:06:31,353 INFO L425 ceAbstractionStarter]: For program point L6381-1(line 6381) no Hoare annotation was computed. [2018-10-27 01:06:31,354 INFO L428 ceAbstractionStarter]: At program point L6381(line 6381) the Hoare annotation is: true [2018-10-27 01:06:31,354 INFO L428 ceAbstractionStarter]: At program point ldv_usb_register_driver_14ENTRY(lines 6370 6384) the Hoare annotation is: true [2018-10-27 01:06:31,354 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-10-27 01:06:31,354 INFO L428 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-10-27 01:06:31,354 INFO L428 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-10-27 01:06:31,354 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-10-27 01:06:31,354 INFO L425 ceAbstractionStarter]: For program point ldv_init_zallocFINAL(lines 5751 5762) no Hoare annotation was computed. [2018-10-27 01:06:31,354 INFO L428 ceAbstractionStarter]: At program point L5757(line 5757) the Hoare annotation is: true [2018-10-27 01:06:31,354 INFO L425 ceAbstractionStarter]: For program point ldv_init_zallocEXIT(lines 5751 5762) no Hoare annotation was computed. [2018-10-27 01:06:31,354 INFO L425 ceAbstractionStarter]: For program point L5757-1(line 5757) no Hoare annotation was computed. [2018-10-27 01:06:31,354 INFO L428 ceAbstractionStarter]: At program point ldv_init_zallocENTRY(lines 5751 5762) the Hoare annotation is: true [2018-10-27 01:06:31,354 INFO L425 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_12FINAL(lines 6351 6359) no Hoare annotation was computed. [2018-10-27 01:06:31,355 INFO L425 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_12EXIT(lines 6351 6359) no Hoare annotation was computed. [2018-10-27 01:06:31,355 INFO L421 ceAbstractionStarter]: At program point ldv_usb_lock_device_for_reset_12ENTRY(lines 6351 6359) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,355 INFO L425 ceAbstractionStarter]: For program point L6356-1(line 6356) no Hoare annotation was computed. [2018-10-27 01:06:31,355 INFO L421 ceAbstractionStarter]: At program point L6356(line 6356) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,355 INFO L425 ceAbstractionStarter]: For program point L5970-1(line 5970) no Hoare annotation was computed. [2018-10-27 01:06:31,355 INFO L425 ceAbstractionStarter]: For program point cdc_subset_driver_initEXIT(lines 5965 5973) no Hoare annotation was computed. [2018-10-27 01:06:31,355 INFO L428 ceAbstractionStarter]: At program point cdc_subset_driver_initENTRY(lines 5965 5973) the Hoare annotation is: true [2018-10-27 01:06:31,355 INFO L425 ceAbstractionStarter]: For program point cdc_subset_driver_initFINAL(lines 5965 5973) no Hoare annotation was computed. [2018-10-27 01:06:31,355 INFO L428 ceAbstractionStarter]: At program point L5970(line 5970) the Hoare annotation is: true [2018-10-27 01:06:31,355 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 01:06:31,355 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-27 01:06:31,356 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 01:06:31,356 INFO L425 ceAbstractionStarter]: For program point L7137(lines 7131 7153) no Hoare annotation was computed. [2018-10-27 01:06:31,356 INFO L421 ceAbstractionStarter]: At program point L7133(line 7133) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,356 INFO L421 ceAbstractionStarter]: At program point L7148(line 7148) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,356 INFO L425 ceAbstractionStarter]: For program point L7142(lines 7131 7153) no Hoare annotation was computed. [2018-10-27 01:06:31,356 INFO L421 ceAbstractionStarter]: At program point L7138(line 7138) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,356 INFO L425 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 7127 7154) no Hoare annotation was computed. [2018-10-27 01:06:31,356 INFO L428 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 7127 7154) the Hoare annotation is: true [2018-10-27 01:06:31,356 INFO L425 ceAbstractionStarter]: For program point L7132(lines 7131 7153) no Hoare annotation was computed. [2018-10-27 01:06:31,356 INFO L425 ceAbstractionStarter]: For program point L7147(lines 7127 7154) no Hoare annotation was computed. [2018-10-27 01:06:31,357 INFO L421 ceAbstractionStarter]: At program point L7143(line 7143) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,357 INFO L421 ceAbstractionStarter]: At program point L5870(line 5870) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (and (= m5632_recover_~r~0 0) (= 2 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,357 INFO L421 ceAbstractionStarter]: At program point m5632_recoverENTRY(lines 5854 5873) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,357 INFO L425 ceAbstractionStarter]: For program point m5632_recoverFINAL(lines 5854 5873) no Hoare annotation was computed. [2018-10-27 01:06:31,357 INFO L421 ceAbstractionStarter]: At program point L5863(line 5863) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,357 INFO L425 ceAbstractionStarter]: For program point L5863-1(line 5863) no Hoare annotation was computed. [2018-10-27 01:06:31,357 INFO L425 ceAbstractionStarter]: For program point m5632_recoverEXIT(lines 5854 5873) no Hoare annotation was computed. [2018-10-27 01:06:31,357 INFO L425 ceAbstractionStarter]: For program point L5864(lines 5864 5868) no Hoare annotation was computed. [2018-10-27 01:06:31,357 INFO L428 ceAbstractionStarter]: At program point L5995(line 5995) the Hoare annotation is: true [2018-10-27 01:06:31,357 INFO L425 ceAbstractionStarter]: For program point L5995-1(line 5995) no Hoare annotation was computed. [2018-10-27 01:06:31,357 INFO L425 ceAbstractionStarter]: For program point ldv_usb_driver_1EXIT(lines 5990 5999) no Hoare annotation was computed. [2018-10-27 01:06:31,358 INFO L428 ceAbstractionStarter]: At program point ldv_usb_driver_1ENTRY(lines 5990 5999) the Hoare annotation is: true [2018-10-27 01:06:31,358 INFO L425 ceAbstractionStarter]: For program point ldv_usb_driver_1FINAL(lines 5990 5999) no Hoare annotation was computed. [2018-10-27 01:06:31,358 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 01:06:31,358 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_mutex_mutex_of_device~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1)) [2018-10-27 01:06:31,358 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 01:06:31,358 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 01:06:31,358 INFO L425 ceAbstractionStarter]: For program point ldv_memsetFINAL(lines 5763 5771) no Hoare annotation was computed. [2018-10-27 01:06:31,358 INFO L425 ceAbstractionStarter]: For program point L5768-1(line 5768) no Hoare annotation was computed. [2018-10-27 01:06:31,358 INFO L428 ceAbstractionStarter]: At program point ldv_memsetENTRY(lines 5763 5771) the Hoare annotation is: true [2018-10-27 01:06:31,358 INFO L428 ceAbstractionStarter]: At program point L5768(line 5768) the Hoare annotation is: true [2018-10-27 01:06:31,358 INFO L425 ceAbstractionStarter]: For program point ldv_memsetEXIT(lines 5763 5771) no Hoare annotation was computed. [2018-10-27 01:06:31,358 INFO L425 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_udevEXIT(lines 7102 7117) no Hoare annotation was computed. [2018-10-27 01:06:31,359 INFO L425 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_udevFINAL(lines 7102 7117) no Hoare annotation was computed. [2018-10-27 01:06:31,359 INFO L421 ceAbstractionStarter]: At program point ldv_usb_lock_device_for_reset_udevENTRY(lines 7102 7117) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,359 INFO L421 ceAbstractionStarter]: At program point L7110(line 7110) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,359 INFO L425 ceAbstractionStarter]: For program point L7113-1(line 7113) no Hoare annotation was computed. [2018-10-27 01:06:31,359 INFO L421 ceAbstractionStarter]: At program point L7113(line 7113) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,359 INFO L425 ceAbstractionStarter]: For program point L7108-1(line 7108) no Hoare annotation was computed. [2018-10-27 01:06:31,359 INFO L421 ceAbstractionStarter]: At program point L7108(line 7108) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-10-27 01:06:31,359 INFO L425 ceAbstractionStarter]: For program point L7109(lines 7109 7115) no Hoare annotation was computed. [2018-10-27 01:06:31,359 INFO L425 ceAbstractionStarter]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2018-10-27 01:06:31,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 01:06:31 BoogieIcfgContainer [2018-10-27 01:06:31,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 01:06:31,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 01:06:31,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 01:06:31,373 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 01:06:31,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:06:18" (3/4) ... [2018-10-27 01:06:31,376 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 01:06:31,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_udev [2018-10-27 01:06:31,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_udev [2018-10-27 01:06:31,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 01:06:31,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2018-10-27 01:06:31,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_unlock_device_udev [2018-10-27 01:06:31,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv___ldv_usb_unlock_device_13 [2018-10-27 01:06:31,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-10-27 01:06:31,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure always_connected [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int_negative [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_deregister_15 [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_subset_driver_exit [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_register_driver_14 [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_lock_device_for_reset_12 [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_subset_driver_init [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure m5632_recover [2018-10-27 01:06:31,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_driver_1 [2018-10-27 01:06:31,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2018-10-27 01:06:31,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_lock_device_for_reset_udev [2018-10-27 01:06:31,442 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 939 nodes and edges [2018-10-27 01:06:31,445 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 449 nodes and edges [2018-10-27 01:06:31,447 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 404 nodes and edges [2018-10-27 01:06:31,449 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-10-27 01:06:31,450 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 01:06:31,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == ldv_mutex_udev && ldv_retval_3 == 0) || !(1 == ldv_mutex_lock)) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode) [2018-10-27 01:06:31,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == ldv_mutex_lock) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode)) || 1 == ldv_mutex_udev [2018-10-27 01:06:31,872 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7d4a318a-1b54-4e60-8fb0-3078ebda7221/bin-2019/utaipan/witness.graphml [2018-10-27 01:06:31,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 01:06:31,873 INFO L168 Benchmark]: Toolchain (without parser) took 30070.57 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 952.6 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 511.6 MB. Max. memory is 11.5 GB. [2018-10-27 01:06:31,874 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 01:06:31,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2041.72 ms. Allocated memory is still 1.0 GB. Free memory was 952.6 MB in the beginning and 781.5 MB in the end (delta: 171.0 MB). Peak memory consumption was 244.8 MB. Max. memory is 11.5 GB. [2018-10-27 01:06:31,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.14 ms. Allocated memory is still 1.0 GB. Free memory was 781.5 MB in the beginning and 766.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-10-27 01:06:31,874 INFO L168 Benchmark]: Boogie Preprocessor took 151.44 ms. Allocated memory is still 1.0 GB. Free memory was 766.5 MB in the beginning and 746.4 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-10-27 01:06:31,875 INFO L168 Benchmark]: RCFGBuilder took 14702.61 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 746.4 MB in the beginning and 1.9 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-10-27 01:06:31,875 INFO L168 Benchmark]: TraceAbstraction took 12558.66 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 203.4 MB). Free memory was 1.9 GB in the beginning and 2.5 GB in the end (delta: -588.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-10-27 01:06:31,875 INFO L168 Benchmark]: Witness Printer took 499.86 ms. Allocated memory is still 2.7 GB. Free memory was 2.5 GB in the beginning and 2.1 GB in the end (delta: 317.2 MB). Peak memory consumption was 317.2 MB. Max. memory is 11.5 GB. [2018-10-27 01:06:31,880 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2041.72 ms. Allocated memory is still 1.0 GB. Free memory was 952.6 MB in the beginning and 781.5 MB in the end (delta: 171.0 MB). Peak memory consumption was 244.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.14 ms. Allocated memory is still 1.0 GB. Free memory was 781.5 MB in the beginning and 766.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 151.44 ms. Allocated memory is still 1.0 GB. Free memory was 766.5 MB in the beginning and 746.4 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14702.61 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 746.4 MB in the beginning and 1.9 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * TraceAbstraction took 12558.66 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 203.4 MB). Free memory was 1.9 GB in the beginning and 2.5 GB in the end (delta: -588.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 499.86 ms. Allocated memory is still 2.7 GB. Free memory was 2.5 GB in the beginning and 2.1 GB in the end (delta: 317.2 MB). Peak memory consumption was 317.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6401]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6024]: Loop Invariant Derived loop invariant: (((((!(1 == ldv_mutex_lock) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode)) || 1 == ldv_mutex_udev - InvariantResult [Line: 6024]: Loop Invariant Derived loop invariant: ((((((1 == ldv_mutex_udev && ldv_retval_3 == 0) || !(1 == ldv_mutex_lock)) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 220 locations, 1 error locations. SAFE Result, 12.4s OverallTime, 10 OverallIterations, 7 TraceHistogramMax, 5.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2845 SDtfs, 1730 SDslu, 4105 SDs, 0 SdLazy, 106 SolverSat, 13 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=894occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 52 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 774 PreInvPairs, 818 NumberOfFragments, 1070 HoareAnnotationTreeSize, 774 FomulaSimplifications, 348 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 2872 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1333 NumberOfCodeBlocks, 1333 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1323 ConstructedInterpolants, 0 QuantifiedInterpolants, 232065 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 1813/1813 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...