java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 21:06:02,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 21:06:02,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 21:06:02,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 21:06:02,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 21:06:02,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 21:06:02,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 21:06:02,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 21:06:02,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 21:06:02,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 21:06:02,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 21:06:02,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 21:06:02,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 21:06:02,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 21:06:02,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 21:06:02,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 21:06:02,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 21:06:02,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 21:06:02,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 21:06:02,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 21:06:02,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 21:06:02,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 21:06:02,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 21:06:02,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 21:06:02,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 21:06:02,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 21:06:02,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 21:06:02,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 21:06:02,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 21:06:02,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 21:06:02,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 21:06:02,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 21:06:02,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 21:06:02,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 21:06:02,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 21:06:02,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 21:06:02,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 21:06:02,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 21:06:02,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 21:06:02,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 21:06:02,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 21:06:02,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 21:06:02,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 21:06:02,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 21:06:02,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 21:06:02,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 21:06:02,940 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 21:06:02,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 21:06:02,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 21:06:02,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 21:06:02,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 21:06:02,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 21:06:02,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 21:06:02,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 21:06:02,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 21:06:02,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 21:06:02,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 21:06:02,942 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 21:06:02,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 21:06:02,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 21:06:02,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 21:06:02,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 21:06:02,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 21:06:02,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 21:06:02,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 21:06:02,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 21:06:02,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 21:06:02,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 21:06:02,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 21:06:02,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 21:06:02,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 21:06:02,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 21:06:03,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 21:06:03,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 21:06:03,020 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 21:06:03,021 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 21:06:03,021 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2019-09-08 21:06:03,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03e491a31/a8b725726cea4c8c94ee879ae63f8045/FLAGcb959cfb1 [2019-09-08 21:06:04,032 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 21:06:04,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2019-09-08 21:06:04,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03e491a31/a8b725726cea4c8c94ee879ae63f8045/FLAGcb959cfb1 [2019-09-08 21:06:04,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03e491a31/a8b725726cea4c8c94ee879ae63f8045 [2019-09-08 21:06:04,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 21:06:04,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 21:06:04,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 21:06:04,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 21:06:04,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 21:06:04,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:06:04" (1/1) ... [2019-09-08 21:06:04,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22537afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:06:04, skipping insertion in model container [2019-09-08 21:06:04,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:06:04" (1/1) ... [2019-09-08 21:06:04,461 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 21:06:04,625 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 21:06:07,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 21:06:07,511 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 21:06:08,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 21:06:08,592 INFO L192 MainTranslator]: Completed translation [2019-09-08 21:06:08,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:06:08 WrapperNode [2019-09-08 21:06:08,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 21:06:08,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 21:06:08,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 21:06:08,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 21:06:08,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:06:08" (1/1) ... [2019-09-08 21:06:08,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:06:08" (1/1) ... [2019-09-08 21:06:08,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:06:08" (1/1) ... [2019-09-08 21:06:08,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:06:08" (1/1) ... [2019-09-08 21:06:08,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:06:08" (1/1) ... [2019-09-08 21:06:08,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:06:08" (1/1) ... [2019-09-08 21:06:09,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:06:08" (1/1) ... [2019-09-08 21:06:09,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 21:06:09,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 21:06:09,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 21:06:09,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 21:06:09,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:06:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 21:06:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 21:06:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 21:06:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 21:06:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 21:06:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 21:06:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 21:06:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2019-09-08 21:06:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-09-08 21:06:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 21:06:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 21:06:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-08 21:06:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-08 21:06:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 21:06:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 21:06:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 21:06:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 21:06:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 21:06:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 21:06:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-08 21:06:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-08 21:06:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-08 21:06:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 21:06:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-09-08 21:06:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-09-08 21:06:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-09-08 21:06:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-09-08 21:06:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-09-08 21:06:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-09-08 21:06:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-09-08 21:06:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-08 21:06:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-08 21:06:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-09-08 21:06:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-09-08 21:06:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-08 21:06:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2019-09-08 21:06:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-08 21:06:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-09-08 21:06:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2019-09-08 21:06:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2019-09-08 21:06:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2019-09-08 21:06:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2019-09-08 21:06:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2019-09-08 21:06:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2019-09-08 21:06:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2019-09-08 21:06:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2019-09-08 21:06:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2019-09-08 21:06:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2019-09-08 21:06:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc16 [2019-09-08 21:06:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2019-09-08 21:06:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure hc16_to_cpup [2019-09-08 21:06:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2019-09-08 21:06:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2019-09-08 21:06:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2019-09-08 21:06:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2019-09-08 21:06:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSW [2019-09-08 21:06:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2019-09-08 21:06:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2019-09-08 21:06:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2019-09-08 21:06:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2019-09-08 21:06:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2019-09-08 21:06:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2019-09-08 21:06:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2019-09-08 21:06:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2019-09-08 21:06:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2019-09-08 21:06:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2019-09-08 21:06:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_root_hub_state_changes [2019-09-08 21:06:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2019-09-08 21:06:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_descriptor [2019-09-08 21:06:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2019-09-08 21:06:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure root_port_reset [2019-09-08 21:06:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2019-09-08 21:06:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2019-09-08 21:06:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2019-09-08 21:06:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2019-09-08 21:06:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2019-09-08 21:06:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2019-09-08 21:06:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2019-09-08 21:06:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2019-09-08 21:06:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2019-09-08 21:06:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_async_buffer [2019-09-08 21:06:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_periodic_buffer [2019-09-08 21:06:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_registers_buffer [2019-09-08 21:06:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2019-09-08 21:06:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_buffer [2019-09-08 21:06:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2019-09-08 21:06:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2019-09-08 21:06:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_async_open [2019-09-08 21:06:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_periodic_open [2019-09-08 21:06:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_registers_open [2019-09-08 21:06:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure create_debug_files [2019-09-08 21:06:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_debug_files [2019-09-08 21:06:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_init [2019-09-08 21:06:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_mem_init [2019-09-08 21:06:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_mem_cleanup [2019-09-08 21:06:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_to_td [2019-09-08 21:06:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2019-09-08 21:06:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2019-09-08 21:06:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_alloc [2019-09-08 21:06:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2019-09-08 21:06:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2019-09-08 21:06:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2019-09-08 21:06:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure balance [2019-09-08 21:06:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_link [2019-09-08 21:06:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2019-09-08 21:06:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_unlink [2019-09-08 21:06:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2019-09-08 21:06:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_get [2019-09-08 21:06:09,162 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2019-09-08 21:06:09,162 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2019-09-08 21:06:09,162 INFO L138 BoogieDeclarations]: Found implementation of procedure td_submit_urb [2019-09-08 21:06:09,162 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2019-09-08 21:06:09,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_halted [2019-09-08 21:06:09,162 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_done_list [2019-09-08 21:06:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure update_done_list [2019-09-08 21:06:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_unlinks [2019-09-08 21:06:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure takeback_td [2019-09-08 21:06:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure process_done_list [2019-09-08 21:06:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_work [2019-09-08 21:06:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure number_of_tds [2019-09-08 21:06:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2019-09-08 21:06:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2019-09-08 21:06:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2019-09-08 21:06:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2019-09-08 21:06:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2019-09-08 21:06:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2019-09-08 21:06:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2019-09-08 21:06:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2019-09-08 21:06:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_setup [2019-09-08 21:06:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start [2019-09-08 21:06:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure io_watchdog_func [2019-09-08 21:06:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2019-09-08 21:06:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2019-09-08 21:06:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2019-09-08 21:06:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_suspend [2019-09-08 21:06:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_resume [2019-09-08 21:06:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init_driver [2019-09-08 21:06:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_mod_init [2019-09-08 21:06:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_mod_exit [2019-09-08 21:06:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-09-08 21:06:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hc_driver_2 [2019-09-08 21:06:09,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-09-08 21:06:09,173 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-09-08 21:06:09,173 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-09-08 21:06:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-09-08 21:06:09,179 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-09-08 21:06:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-09-08 21:06:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2019-09-08 21:06:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-09-08 21:06:09,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_4 [2019-09-08 21:06:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 21:06:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 21:06:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-08 21:06:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 21:06:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-08 21:06:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 21:06:09,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 21:06:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-09-08 21:06:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_24 [2019-09-08 21:06:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_25 [2019-09-08 21:06:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_26 [2019-09-08 21:06:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_27 [2019-09-08 21:06:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28 [2019-09-08 21:06:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_29 [2019-09-08 21:06:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 21:06:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 21:06:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 21:06:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 21:06:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 21:06:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 21:06:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-08 21:06:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-08 21:06:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-08 21:06:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-08 21:06:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-08 21:06:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 21:06:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-08 21:06:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-09-08 21:06:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-08 21:06:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-09-08 21:06:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 21:06:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 21:06:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 21:06:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-08 21:06:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 21:06:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-08 21:06:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 21:06:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2019-09-08 21:06:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2019-09-08 21:06:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2019-09-08 21:06:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-09-08 21:06:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-08 21:06:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 21:06:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-08 21:06:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_capable [2019-09-08 21:06:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-08 21:06:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-08 21:06:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2019-09-08 21:06:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2019-09-08 21:06:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2019-09-08 21:06:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-09-08 21:06:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-08 21:06:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-09-08 21:06:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2019-09-08 21:06:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 21:06:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 21:06:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-08 21:06:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-08 21:06:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-08 21:06:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-08 21:06:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-08 21:06:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 21:06:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 21:06:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-08 21:06:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2019-09-08 21:06:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2019-09-08 21:06:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-09-08 21:06:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure set_timer_slack [2019-09-08 21:06:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2019-09-08 21:06:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-09-08 21:06:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2019-09-08 21:06:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_dev_put [2019-09-08 21:06:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_disable [2019-09-08 21:06:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_enable [2019-09-08 21:06:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2019-09-08 21:06:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2019-09-08 21:06:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2019-09-08 21:06:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_check_unlink_urb [2019-09-08 21:06:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2019-09-08 21:06:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2019-09-08 21:06:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2019-09-08 21:06:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2019-09-08 21:06:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2019-09-08 21:06:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_root_hub_lost_power [2019-09-08 21:06:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 21:06:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 21:06:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 21:06:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 21:06:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 21:06:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 21:06:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 21:06:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 21:06:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 21:06:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2019-09-08 21:06:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 21:06:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-09-08 21:06:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 21:06:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-09-08 21:06:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-08 21:06:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-09-08 21:06:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-08 21:06:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-08 21:06:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 21:06:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 21:06:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 21:06:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 21:06:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 21:06:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 21:06:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 21:06:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 21:06:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 21:06:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 21:06:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 21:06:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-08 21:06:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-08 21:06:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 21:06:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 21:06:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 21:06:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 21:06:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 21:06:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 21:06:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 21:06:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-08 21:06:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-08 21:06:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 21:06:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-08 21:06:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-08 21:06:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-08 21:06:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 21:06:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 21:06:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 21:06:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-08 21:06:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 21:06:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-08 21:06:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 21:06:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 21:06:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-09-08 21:06:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 21:06:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-09-08 21:06:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-08 21:06:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-09-08 21:06:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 21:06:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-09-08 21:06:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-08 21:06:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-09-08 21:06:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 21:06:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 21:06:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-08 21:06:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 21:06:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-09-08 21:06:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-09-08 21:06:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-09-08 21:06:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-08 21:06:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_27 [2019-09-08 21:06:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28 [2019-09-08 21:06:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure set_timer_slack [2019-09-08 21:06:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-08 21:06:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_24 [2019-09-08 21:06:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_29 [2019-09-08 21:06:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-08 21:06:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-09-08 21:06:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-08 21:06:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-08 21:06:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-09-08 21:06:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-09-08 21:06:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2019-09-08 21:06:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-09-08 21:06:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-08 21:06:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2019-09-08 21:06:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 21:06:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-09-08 21:06:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 21:06:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 21:06:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-09-08 21:06:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hc_driver_2 [2019-09-08 21:06:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-09-08 21:06:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-09-08 21:06:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-09-08 21:06:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-09-08 21:06:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-09-08 21:06:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-09-08 21:06:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2019-09-08 21:06:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-09-08 21:06:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_4 [2019-09-08 21:06:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2019-09-08 21:06:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_capable [2019-09-08 21:06:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-08 21:06:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 21:06:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-08 21:06:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2019-09-08 21:06:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2019-09-08 21:06:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2019-09-08 21:06:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_25 [2019-09-08 21:06:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_26 [2019-09-08 21:06:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2019-09-08 21:06:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-08 21:06:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-08 21:06:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 21:06:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-08 21:06:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-09-08 21:06:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2019-09-08 21:06:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-08 21:06:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-09-08 21:06:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-09-08 21:06:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2019-09-08 21:06:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2019-09-08 21:06:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 21:06:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2019-09-08 21:06:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_check_unlink_urb [2019-09-08 21:06:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2019-09-08 21:06:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2019-09-08 21:06:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2019-09-08 21:06:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2019-09-08 21:06:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2019-09-08 21:06:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_root_hub_lost_power [2019-09-08 21:06:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2019-09-08 21:06:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2019-09-08 21:06:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2019-09-08 21:06:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2019-09-08 21:06:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2019-09-08 21:06:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 21:06:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2019-09-08 21:06:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2019-09-08 21:06:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2019-09-08 21:06:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2019-09-08 21:06:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2019-09-08 21:06:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2019-09-08 21:06:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2019-09-08 21:06:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2019-09-08 21:06:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc16 [2019-09-08 21:06:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2019-09-08 21:06:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure hc16_to_cpup [2019-09-08 21:06:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2019-09-08 21:06:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2019-09-08 21:06:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2019-09-08 21:06:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2019-09-08 21:06:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSW [2019-09-08 21:06:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2019-09-08 21:06:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2019-09-08 21:06:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2019-09-08 21:06:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2019-09-08 21:06:09,309 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2019-09-08 21:06:09,309 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init_driver [2019-09-08 21:06:09,309 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2019-09-08 21:06:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_setup [2019-09-08 21:06:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_suspend [2019-09-08 21:06:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_resume [2019-09-08 21:06:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2019-09-08 21:06:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2019-09-08 21:06:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_dev_put [2019-09-08 21:06:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_disable [2019-09-08 21:06:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_enable [2019-09-08 21:06:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2019-09-08 21:06:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2019-09-08 21:06:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2019-09-08 21:06:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure io_watchdog_func [2019-09-08 21:06:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure update_done_list [2019-09-08 21:06:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_work [2019-09-08 21:06:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2019-09-08 21:06:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 21:06:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2019-09-08 21:06:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2019-09-08 21:06:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2019-09-08 21:06:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2019-09-08 21:06:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_root_hub_state_changes [2019-09-08 21:06:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_descriptor [2019-09-08 21:06:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2019-09-08 21:06:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure root_port_reset [2019-09-08 21:06:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 21:06:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2019-09-08 21:06:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2019-09-08 21:06:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2019-09-08 21:06:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2019-09-08 21:06:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2019-09-08 21:06:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2019-09-08 21:06:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure debug_async_open [2019-09-08 21:06:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure debug_periodic_open [2019-09-08 21:06:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure debug_registers_open [2019-09-08 21:06:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2019-09-08 21:06:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2019-09-08 21:06:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2019-09-08 21:06:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure fill_async_buffer [2019-09-08 21:06:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure fill_periodic_buffer [2019-09-08 21:06:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure fill_registers_buffer [2019-09-08 21:06:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2019-09-08 21:06:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure fill_buffer [2019-09-08 21:06:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 21:06:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure create_debug_files [2019-09-08 21:06:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure remove_debug_files [2019-09-08 21:06:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_init [2019-09-08 21:06:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_mem_init [2019-09-08 21:06:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_mem_cleanup [2019-09-08 21:06:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure dma_to_td [2019-09-08 21:06:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2019-09-08 21:06:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2019-09-08 21:06:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure ed_alloc [2019-09-08 21:06:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2019-09-08 21:06:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2019-09-08 21:06:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2019-09-08 21:06:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure balance [2019-09-08 21:06:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_link [2019-09-08 21:06:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2019-09-08 21:06:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_unlink [2019-09-08 21:06:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2019-09-08 21:06:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure ed_get [2019-09-08 21:06:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2019-09-08 21:06:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2019-09-08 21:06:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure td_submit_urb [2019-09-08 21:06:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2019-09-08 21:06:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure ed_halted [2019-09-08 21:06:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_done_list [2019-09-08 21:06:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure finish_unlinks [2019-09-08 21:06:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure takeback_td [2019-09-08 21:06:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure process_done_list [2019-09-08 21:06:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure number_of_tds [2019-09-08 21:06:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2019-09-08 21:06:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2019-09-08 21:06:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2019-09-08 21:06:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2019-09-08 21:06:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2019-09-08 21:06:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2019-09-08 21:06:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2019-09-08 21:06:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2019-09-08 21:06:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start [2019-09-08 21:06:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2019-09-08 21:06:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_mod_init [2019-09-08 21:06:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_mod_exit [2019-09-08 21:06:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 21:06:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 21:06:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 21:06:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 21:06:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 21:06:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 21:06:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 21:06:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 21:06:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-08 21:06:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-08 21:06:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-08 21:06:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-08 21:06:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 21:06:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-08 21:06:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 21:06:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 21:06:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 21:06:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 21:06:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 21:06:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 21:06:11,237 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 21:07:31,409 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 21:07:31,409 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-08 21:07:31,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 09:07:31 BoogieIcfgContainer [2019-09-08 21:07:31,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 21:07:31,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 21:07:31,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 21:07:31,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 21:07:31,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 09:06:04" (1/3) ... [2019-09-08 21:07:31,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b21f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 09:07:31, skipping insertion in model container [2019-09-08 21:07:31,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:06:08" (2/3) ... [2019-09-08 21:07:31,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b21f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 09:07:31, skipping insertion in model container [2019-09-08 21:07:31,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 09:07:31" (3/3) ... [2019-09-08 21:07:31,421 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2019-09-08 21:07:31,431 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 21:07:31,442 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 21:07:31,459 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 21:07:31,504 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 21:07:31,505 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 21:07:31,505 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 21:07:31,505 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 21:07:31,506 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 21:07:31,506 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 21:07:31,506 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 21:07:31,506 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 21:07:31,506 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 21:07:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states. [2019-09-08 21:07:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2019-09-08 21:07:31,600 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:07:31,602 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:07:31,604 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:07:31,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:07:31,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1864546104, now seen corresponding path program 1 times [2019-09-08 21:07:31,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:07:31,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:07:31,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:07:31,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:07:31,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:07:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:07:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2019-09-08 21:07:34,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:07:34,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:07:34,047 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:07:34,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:07:34,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:07:34,067 INFO L87 Difference]: Start difference. First operand 3340 states. Second operand 3 states. [2019-09-08 21:07:57,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:07:57,031 INFO L93 Difference]: Finished difference Result 9579 states and 13915 transitions. [2019-09-08 21:07:57,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:07:57,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 299 [2019-09-08 21:07:57,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:07:57,111 INFO L225 Difference]: With dead ends: 9579 [2019-09-08 21:07:57,112 INFO L226 Difference]: Without dead ends: 6345 [2019-09-08 21:07:57,141 INFO L628 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 [2019-09-08 21:07:57,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6345 states. [2019-09-08 21:07:57,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6345 to 6341. [2019-09-08 21:07:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6341 states. [2019-09-08 21:07:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6341 states to 6341 states and 9110 transitions. [2019-09-08 21:07:57,637 INFO L78 Accepts]: Start accepts. Automaton has 6341 states and 9110 transitions. Word has length 299 [2019-09-08 21:07:57,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:07:57,642 INFO L475 AbstractCegarLoop]: Abstraction has 6341 states and 9110 transitions. [2019-09-08 21:07:57,642 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:07:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 6341 states and 9110 transitions. [2019-09-08 21:07:57,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-09-08 21:07:57,657 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:07:57,658 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:07:57,659 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:07:57,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:07:57,659 INFO L82 PathProgramCache]: Analyzing trace with hash 268557831, now seen corresponding path program 1 times [2019-09-08 21:07:57,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:07:57,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:07:57,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:07:57,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:07:57,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:07:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:07:58,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2019-09-08 21:07:58,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:07:58,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:07:58,954 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:07:58,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:07:58,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:07:58,955 INFO L87 Difference]: Start difference. First operand 6341 states and 9110 transitions. Second operand 3 states. [2019-09-08 21:08:23,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:08:23,627 INFO L93 Difference]: Finished difference Result 18808 states and 27031 transitions. [2019-09-08 21:08:23,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:08:23,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2019-09-08 21:08:23,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:08:23,753 INFO L225 Difference]: With dead ends: 18808 [2019-09-08 21:08:23,753 INFO L226 Difference]: Without dead ends: 12536 [2019-09-08 21:08:23,805 INFO L628 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 [2019-09-08 21:08:23,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12536 states. [2019-09-08 21:08:24,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12536 to 12531. [2019-09-08 21:08:24,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12531 states. [2019-09-08 21:08:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12531 states to 12531 states and 18009 transitions. [2019-09-08 21:08:24,791 INFO L78 Accepts]: Start accepts. Automaton has 12531 states and 18009 transitions. Word has length 302 [2019-09-08 21:08:24,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:08:24,798 INFO L475 AbstractCegarLoop]: Abstraction has 12531 states and 18009 transitions. [2019-09-08 21:08:24,798 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:08:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 12531 states and 18009 transitions. [2019-09-08 21:08:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-09-08 21:08:24,812 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:08:24,812 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:08:24,813 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:08:24,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:08:24,813 INFO L82 PathProgramCache]: Analyzing trace with hash -851132172, now seen corresponding path program 1 times [2019-09-08 21:08:24,814 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:08:24,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:08:24,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:08:24,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:08:24,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:08:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:08:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2019-09-08 21:08:25,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:08:25,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:08:25,840 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:08:25,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:08:25,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:08:25,841 INFO L87 Difference]: Start difference. First operand 12531 states and 18009 transitions. Second operand 3 states. [2019-09-08 21:08:49,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:08:49,750 INFO L93 Difference]: Finished difference Result 37012 states and 53241 transitions. [2019-09-08 21:08:49,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:08:49,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 304 [2019-09-08 21:08:49,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:08:50,007 INFO L225 Difference]: With dead ends: 37012 [2019-09-08 21:08:50,008 INFO L226 Difference]: Without dead ends: 24550 [2019-09-08 21:08:50,083 INFO L628 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 [2019-09-08 21:08:50,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24550 states. [2019-09-08 21:08:51,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24550 to 24547. [2019-09-08 21:08:51,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24547 states. [2019-09-08 21:08:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24547 states to 24547 states and 35320 transitions. [2019-09-08 21:08:51,321 INFO L78 Accepts]: Start accepts. Automaton has 24547 states and 35320 transitions. Word has length 304 [2019-09-08 21:08:51,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:08:51,322 INFO L475 AbstractCegarLoop]: Abstraction has 24547 states and 35320 transitions. [2019-09-08 21:08:51,322 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:08:51,322 INFO L276 IsEmpty]: Start isEmpty. Operand 24547 states and 35320 transitions. [2019-09-08 21:08:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2019-09-08 21:08:51,331 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:08:51,331 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:08:51,331 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:08:51,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:08:51,332 INFO L82 PathProgramCache]: Analyzing trace with hash -299519984, now seen corresponding path program 1 times [2019-09-08 21:08:51,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:08:51,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:08:51,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:08:51,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:08:51,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:08:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:08:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2019-09-08 21:08:52,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:08:52,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:08:52,634 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:08:52,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:08:52,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:08:52,635 INFO L87 Difference]: Start difference. First operand 24547 states and 35320 transitions. Second operand 3 states. [2019-09-08 21:09:15,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:09:15,850 INFO L93 Difference]: Finished difference Result 65535 states and 93821 transitions. [2019-09-08 21:09:15,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:09:15,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 324 [2019-09-08 21:09:15,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:09:16,119 INFO L225 Difference]: With dead ends: 65535 [2019-09-08 21:09:16,120 INFO L226 Difference]: Without dead ends: 41065 [2019-09-08 21:09:16,258 INFO L628 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 [2019-09-08 21:09:16,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41065 states. [2019-09-08 21:09:19,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41065 to 41058. [2019-09-08 21:09:19,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41058 states. [2019-09-08 21:09:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41058 states to 41058 states and 58588 transitions. [2019-09-08 21:09:20,032 INFO L78 Accepts]: Start accepts. Automaton has 41058 states and 58588 transitions. Word has length 324 [2019-09-08 21:09:20,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:09:20,033 INFO L475 AbstractCegarLoop]: Abstraction has 41058 states and 58588 transitions. [2019-09-08 21:09:20,033 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:09:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 41058 states and 58588 transitions. [2019-09-08 21:09:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2019-09-08 21:09:20,046 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:09:20,046 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:09:20,047 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:09:20,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:09:20,047 INFO L82 PathProgramCache]: Analyzing trace with hash -950110899, now seen corresponding path program 1 times [2019-09-08 21:09:20,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:09:20,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:09:20,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:09:20,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:09:20,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:09:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:09:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2170 trivial. 0 not checked. [2019-09-08 21:09:21,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:09:21,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:09:21,173 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:09:21,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:09:21,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:09:21,174 INFO L87 Difference]: Start difference. First operand 41058 states and 58588 transitions. Second operand 3 states. [2019-09-08 21:09:21,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:09:21,922 INFO L93 Difference]: Finished difference Result 48561 states and 69233 transitions. [2019-09-08 21:09:21,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:09:21,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 419 [2019-09-08 21:09:21,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:09:22,310 INFO L225 Difference]: With dead ends: 48561 [2019-09-08 21:09:22,310 INFO L226 Difference]: Without dead ends: 48558 [2019-09-08 21:09:22,347 INFO L628 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 [2019-09-08 21:09:22,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48558 states. [2019-09-08 21:09:24,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48558 to 48339. [2019-09-08 21:09:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48339 states. [2019-09-08 21:09:24,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48339 states to 48339 states and 68905 transitions. [2019-09-08 21:09:24,579 INFO L78 Accepts]: Start accepts. Automaton has 48339 states and 68905 transitions. Word has length 419 [2019-09-08 21:09:24,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:09:24,580 INFO L475 AbstractCegarLoop]: Abstraction has 48339 states and 68905 transitions. [2019-09-08 21:09:24,580 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:09:24,580 INFO L276 IsEmpty]: Start isEmpty. Operand 48339 states and 68905 transitions. [2019-09-08 21:09:24,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-09-08 21:09:24,627 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:09:24,627 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:09:24,628 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:09:24,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:09:24,628 INFO L82 PathProgramCache]: Analyzing trace with hash -573622220, now seen corresponding path program 1 times [2019-09-08 21:09:24,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:09:24,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:09:24,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:09:24,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:09:24,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:09:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:09:25,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2168 trivial. 0 not checked. [2019-09-08 21:09:25,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:09:25,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:09:25,729 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:09:25,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:09:25,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:09:25,730 INFO L87 Difference]: Start difference. First operand 48339 states and 68905 transitions. Second operand 3 states. [2019-09-08 21:09:57,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:09:57,009 INFO L93 Difference]: Finished difference Result 124724 states and 177939 transitions. [2019-09-08 21:09:57,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:09:57,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 445 [2019-09-08 21:09:57,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:09:57,523 INFO L225 Difference]: With dead ends: 124724 [2019-09-08 21:09:57,523 INFO L226 Difference]: Without dead ends: 76466 [2019-09-08 21:09:57,677 INFO L628 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 [2019-09-08 21:09:57,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76466 states. [2019-09-08 21:10:02,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76466 to 76395. [2019-09-08 21:10:02,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76395 states. [2019-09-08 21:10:03,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76395 states to 76395 states and 108761 transitions. [2019-09-08 21:10:03,067 INFO L78 Accepts]: Start accepts. Automaton has 76395 states and 108761 transitions. Word has length 445 [2019-09-08 21:10:03,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:10:03,068 INFO L475 AbstractCegarLoop]: Abstraction has 76395 states and 108761 transitions. [2019-09-08 21:10:03,068 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:10:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 76395 states and 108761 transitions. [2019-09-08 21:10:03,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2019-09-08 21:10:03,097 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:10:03,097 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:10:03,097 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:10:03,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:10:03,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1426705621, now seen corresponding path program 1 times [2019-09-08 21:10:03,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:10:03,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:10:03,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:10:03,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:10:03,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:10:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:10:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2168 trivial. 0 not checked. [2019-09-08 21:10:04,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:10:04,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:10:04,445 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:10:04,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:10:04,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:10:04,446 INFO L87 Difference]: Start difference. First operand 76395 states and 108761 transitions. Second operand 5 states. [2019-09-08 21:10:37,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:10:37,182 INFO L93 Difference]: Finished difference Result 152829 states and 217561 transitions. [2019-09-08 21:10:37,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:10:37,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 444 [2019-09-08 21:10:37,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:10:37,683 INFO L225 Difference]: With dead ends: 152829 [2019-09-08 21:10:37,684 INFO L226 Difference]: Without dead ends: 76395 [2019-09-08 21:10:37,884 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:10:37,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76395 states. [2019-09-08 21:10:40,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76395 to 76395. [2019-09-08 21:10:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76395 states. [2019-09-08 21:10:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76395 states to 76395 states and 108737 transitions. [2019-09-08 21:10:40,587 INFO L78 Accepts]: Start accepts. Automaton has 76395 states and 108737 transitions. Word has length 444 [2019-09-08 21:10:40,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:10:40,587 INFO L475 AbstractCegarLoop]: Abstraction has 76395 states and 108737 transitions. [2019-09-08 21:10:40,588 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:10:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 76395 states and 108737 transitions. [2019-09-08 21:10:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2019-09-08 21:10:40,607 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:10:40,608 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:10:40,608 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:10:40,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:10:40,608 INFO L82 PathProgramCache]: Analyzing trace with hash -606393176, now seen corresponding path program 1 times [2019-09-08 21:10:40,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:10:40,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:10:40,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:10:40,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:10:40,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:10:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:10:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 7 proven. 98 refuted. 0 times theorem prover too weak. 2067 trivial. 0 not checked. [2019-09-08 21:10:43,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:10:43,374 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:10:43,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:11:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 21:11:11,774 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:11:11,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-09-08 21:11:11,776 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 21:11:11,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 21:11:11,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:11:11,777 INFO L87 Difference]: Start difference. First operand 76395 states and 108737 transitions. Second operand 6 states. [2019-09-08 21:11:16,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:11:16,987 INFO L93 Difference]: Finished difference Result 152879 states and 218137 transitions. [2019-09-08 21:11:16,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 21:11:16,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 465 [2019-09-08 21:11:16,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:11:17,356 INFO L225 Difference]: With dead ends: 152879 [2019-09-08 21:11:17,357 INFO L226 Difference]: Without dead ends: 76442 [2019-09-08 21:11:17,540 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-08 21:11:17,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76442 states. [2019-09-08 21:11:19,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76442 to 76442. [2019-09-08 21:11:19,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76442 states. [2019-09-08 21:11:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76442 states to 76442 states and 108785 transitions. [2019-09-08 21:11:19,277 INFO L78 Accepts]: Start accepts. Automaton has 76442 states and 108785 transitions. Word has length 465 [2019-09-08 21:11:19,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:11:19,278 INFO L475 AbstractCegarLoop]: Abstraction has 76442 states and 108785 transitions. [2019-09-08 21:11:19,278 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 21:11:19,278 INFO L276 IsEmpty]: Start isEmpty. Operand 76442 states and 108785 transitions. [2019-09-08 21:11:19,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2019-09-08 21:11:19,297 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:11:19,297 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:11:19,297 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:11:19,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:11:19,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1162585216, now seen corresponding path program 1 times [2019-09-08 21:11:19,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:11:19,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:11:19,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:11:19,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:11:19,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:11:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:11:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2283 backedges. 16 proven. 95 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2019-09-08 21:11:21,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:11:21,935 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:11:21,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:11:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 21:11:51,844 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:11:51,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-09-08 21:11:51,845 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 21:11:51,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 21:11:51,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:11:51,845 INFO L87 Difference]: Start difference. First operand 76442 states and 108785 transitions. Second operand 6 states. [2019-09-08 21:11:53,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:11:53,223 INFO L93 Difference]: Finished difference Result 152849 states and 217531 transitions. [2019-09-08 21:11:53,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 21:11:53,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 471 [2019-09-08 21:11:53,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:11:53,612 INFO L225 Difference]: With dead ends: 152849 [2019-09-08 21:11:53,613 INFO L226 Difference]: Without dead ends: 76447 [2019-09-08 21:11:53,804 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-08 21:11:53,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76447 states. [2019-09-08 21:11:58,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76447 to 76447. [2019-09-08 21:11:58,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76447 states. [2019-09-08 21:11:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76447 states to 76447 states and 108790 transitions. [2019-09-08 21:11:58,694 INFO L78 Accepts]: Start accepts. Automaton has 76447 states and 108790 transitions. Word has length 471 [2019-09-08 21:11:58,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:11:58,694 INFO L475 AbstractCegarLoop]: Abstraction has 76447 states and 108790 transitions. [2019-09-08 21:11:58,695 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 21:11:58,695 INFO L276 IsEmpty]: Start isEmpty. Operand 76447 states and 108790 transitions. [2019-09-08 21:11:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2019-09-08 21:11:58,711 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:11:58,712 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 12, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:11:58,712 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:11:58,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:11:58,713 INFO L82 PathProgramCache]: Analyzing trace with hash -700698168, now seen corresponding path program 2 times [2019-09-08 21:11:58,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:11:58,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:11:58,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:11:58,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:11:58,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:12:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:12:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2430 backedges. 48 proven. 69 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2019-09-08 21:12:01,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:12:01,676 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 21:12:01,713 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:12:39,707 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 21:12:39,707 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Forcibly destroying the process [2019-09-08 21:12:41,387 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:12:41,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-09-08 21:12:41,388 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 21:12:41,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 21:12:41,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:12:41,389 INFO L87 Difference]: Start difference. First operand 76447 states and 108790 transitions. Second operand 6 states. [2019-09-08 21:12:44,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:12:44,693 INFO L93 Difference]: Finished difference Result 152849 states and 217523 transitions. [2019-09-08 21:12:44,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 21:12:44,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 477 [2019-09-08 21:12:44,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:12:45,150 INFO L225 Difference]: With dead ends: 152849 [2019-09-08 21:12:45,151 INFO L226 Difference]: Without dead ends: 76445 [2019-09-08 21:12:45,333 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-08 21:12:45,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76445 states. [2019-09-08 21:12:47,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76445 to 76445. [2019-09-08 21:12:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76445 states. [2019-09-08 21:12:47,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76445 states to 76445 states and 108787 transitions. [2019-09-08 21:12:47,385 INFO L78 Accepts]: Start accepts. Automaton has 76445 states and 108787 transitions. Word has length 477 [2019-09-08 21:12:47,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:12:47,386 INFO L475 AbstractCegarLoop]: Abstraction has 76445 states and 108787 transitions. [2019-09-08 21:12:47,386 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 21:12:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 76445 states and 108787 transitions. [2019-09-08 21:12:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2019-09-08 21:12:47,404 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:12:47,405 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:12:47,405 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:12:47,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:12:47,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1032630072, now seen corresponding path program 3 times [2019-09-08 21:12:47,406 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:12:47,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:12:47,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:12:47,410 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 21:12:47,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:12:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:12:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2548 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 2397 trivial. 0 not checked. [2019-09-08 21:12:50,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:12:50,260 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:12:50,291 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 21:18:56,572 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2019-09-08 21:18:56,572 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Forcibly destroying the process [2019-09-08 21:18:59,071 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:18:59,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-09-08 21:18:59,072 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 21:18:59,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 21:18:59,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 21:18:59,073 INFO L87 Difference]: Start difference. First operand 76445 states and 108787 transitions. Second operand 7 states. [2019-09-08 21:19:00,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:19:00,405 INFO L93 Difference]: Finished difference Result 152977 states and 218235 transitions. [2019-09-08 21:19:00,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 21:19:00,405 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 481 [2019-09-08 21:19:00,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:19:03,536 INFO L225 Difference]: With dead ends: 152977 [2019-09-08 21:19:03,537 INFO L226 Difference]: Without dead ends: 76487 [2019-09-08 21:19:03,638 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-08 21:19:03,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76487 states. [2019-09-08 21:19:04,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76487 to 76487. [2019-09-08 21:19:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76487 states. [2019-09-08 21:19:05,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76487 states to 76487 states and 108831 transitions. [2019-09-08 21:19:05,183 INFO L78 Accepts]: Start accepts. Automaton has 76487 states and 108831 transitions. Word has length 481 [2019-09-08 21:19:05,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:19:05,183 INFO L475 AbstractCegarLoop]: Abstraction has 76487 states and 108831 transitions. [2019-09-08 21:19:05,183 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 21:19:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 76487 states and 108831 transitions. [2019-09-08 21:19:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2019-09-08 21:19:05,195 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:19:05,195 INFO L399 BasicCegarLoop]: trace histogram [22, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:19:05,195 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:19:05,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:19:05,196 INFO L82 PathProgramCache]: Analyzing trace with hash 201796912, now seen corresponding path program 4 times [2019-09-08 21:19:05,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:19:05,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:19:05,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:19:05,200 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 21:19:05,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:19:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:19:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2755 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 2557 trivial. 0 not checked. [2019-09-08 21:19:07,825 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:19:07,825 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:19:07,858 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST