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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -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 0.1.24-36ac518-m [2019-10-07 12:42:56,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:42:56,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:42:56,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:42:56,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:42:56,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:42:56,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:42:56,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:42:56,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:42:56,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:42:56,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:42:56,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:42:56,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:42:56,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:42:56,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:42:56,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:42:56,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:42:56,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:42:56,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:42:56,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:42:56,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:42:56,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:42:56,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:42:56,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:42:56,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:42:56,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:42:56,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:42:56,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:42:56,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:42:56,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:42:56,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:42:56,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:42:56,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:42:56,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:42:56,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:42:56,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:42:56,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:42:56,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:42:56,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:42:56,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:42:56,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:42:56,192 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 [2019-10-07 12:42:56,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:42:56,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:42:56,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:42:56,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:42:56,228 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:42:56,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:42:56,228 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:42:56,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:42:56,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:42:56,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:42:56,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:42:56,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:42:56,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:42:56,230 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:42:56,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:42:56,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:42:56,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:42:56,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:42:56,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:42:56,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:42:56,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:42:56,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:42:56,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:42:56,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:42:56,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:42:56,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:42:56,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:42:56,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:42:56,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:42:56,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:42:56,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:42:56,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:42:56,543 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:42:56,543 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:42:56,544 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2019-10-07 12:42:56,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3846187a1/af9ea192078c4db092a7a3c93404146c/FLAGd7e3323e7 [2019-10-07 12:42:57,574 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:42:57,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2019-10-07 12:42:57,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3846187a1/af9ea192078c4db092a7a3c93404146c/FLAGd7e3323e7 [2019-10-07 12:42:57,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3846187a1/af9ea192078c4db092a7a3c93404146c [2019-10-07 12:42:57,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:42:57,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:42:57,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:42:57,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:42:57,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:42:57,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:42:57" (1/1) ... [2019-10-07 12:42:57,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2abbc2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:42:57, skipping insertion in model container [2019-10-07 12:42:57,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:42:57" (1/1) ... [2019-10-07 12:42:57,964 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:42:58,181 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:43:01,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:43:01,393 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:43:01,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:43:02,491 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:43:02,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:02 WrapperNode [2019-10-07 12:43:02,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:43:02,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:43:02,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:43:02,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:43:02,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:02" (1/1) ... [2019-10-07 12:43:02,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:02" (1/1) ... [2019-10-07 12:43:02,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:02" (1/1) ... [2019-10-07 12:43:02,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:02" (1/1) ... [2019-10-07 12:43:02,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:02" (1/1) ... [2019-10-07 12:43:03,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:02" (1/1) ... [2019-10-07 12:43:03,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:02" (1/1) ... [2019-10-07 12:43:03,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:43:03,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:43:03,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:43:03,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:43:03,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:02" (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 [2019-10-07 12:43:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:43:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:43:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 12:43:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 12:43:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 12:43:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 12:43:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2019-10-07 12:43:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-07 12:43:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:43:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:43:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 12:43:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 12:43:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:43:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:43:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:43:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:43:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:43:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 12:43:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-07 12:43:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 12:43:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 12:43:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:43:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-07 12:43:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-07 12:43:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-07 12:43:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:43:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:43:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-07 12:43:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-10-07 12:43:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-07 12:43:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-07 12:43:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-07 12:43:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-07 12:43:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 12:43:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2019-10-07 12:43:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 12:43:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-07 12:43:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2019-10-07 12:43:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2019-10-07 12:43:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2019-10-07 12:43:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2019-10-07 12:43:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2019-10-07 12:43:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2019-10-07 12:43:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2019-10-07 12:43:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2019-10-07 12:43:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2019-10-07 12:43:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2019-10-07 12:43:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc16 [2019-10-07 12:43:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2019-10-07 12:43:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure hc16_to_cpup [2019-10-07 12:43:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2019-10-07 12:43:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2019-10-07 12:43:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2019-10-07 12:43:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2019-10-07 12:43:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSW [2019-10-07 12:43:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2019-10-07 12:43:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2019-10-07 12:43:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2019-10-07 12:43:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2019-10-07 12:43:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2019-10-07 12:43:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2019-10-07 12:43:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2019-10-07 12:43:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2019-10-07 12:43:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2019-10-07 12:43:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2019-10-07 12:43:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_root_hub_state_changes [2019-10-07 12:43:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2019-10-07 12:43:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_descriptor [2019-10-07 12:43:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2019-10-07 12:43:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure root_port_reset [2019-10-07 12:43:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2019-10-07 12:43:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2019-10-07 12:43:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2019-10-07 12:43:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2019-10-07 12:43:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2019-10-07 12:43:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2019-10-07 12:43:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2019-10-07 12:43:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2019-10-07 12:43:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2019-10-07 12:43:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_async_buffer [2019-10-07 12:43:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_periodic_buffer [2019-10-07 12:43:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_registers_buffer [2019-10-07 12:43:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2019-10-07 12:43:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_buffer [2019-10-07 12:43:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2019-10-07 12:43:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2019-10-07 12:43:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_async_open [2019-10-07 12:43:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_periodic_open [2019-10-07 12:43:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_registers_open [2019-10-07 12:43:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure create_debug_files [2019-10-07 12:43:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_debug_files [2019-10-07 12:43:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_init [2019-10-07 12:43:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_mem_init [2019-10-07 12:43:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_mem_cleanup [2019-10-07 12:43:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_to_td [2019-10-07 12:43:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2019-10-07 12:43:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2019-10-07 12:43:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_alloc [2019-10-07 12:43:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2019-10-07 12:43:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2019-10-07 12:43:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2019-10-07 12:43:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure balance [2019-10-07 12:43:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_link [2019-10-07 12:43:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2019-10-07 12:43:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_unlink [2019-10-07 12:43:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2019-10-07 12:43:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_get [2019-10-07 12:43:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2019-10-07 12:43:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2019-10-07 12:43:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure td_submit_urb [2019-10-07 12:43:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2019-10-07 12:43:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_halted [2019-10-07 12:43:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_done_list [2019-10-07 12:43:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure update_done_list [2019-10-07 12:43:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_unlinks [2019-10-07 12:43:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure takeback_td [2019-10-07 12:43:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure process_done_list [2019-10-07 12:43:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_work [2019-10-07 12:43:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure number_of_tds [2019-10-07 12:43:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2019-10-07 12:43:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2019-10-07 12:43:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2019-10-07 12:43:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2019-10-07 12:43:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2019-10-07 12:43:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2019-10-07 12:43:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2019-10-07 12:43:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2019-10-07 12:43:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_setup [2019-10-07 12:43:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start [2019-10-07 12:43:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure io_watchdog_func [2019-10-07 12:43:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2019-10-07 12:43:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2019-10-07 12:43:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2019-10-07 12:43:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_suspend [2019-10-07 12:43:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_resume [2019-10-07 12:43:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init_driver [2019-10-07 12:43:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_mod_init [2019-10-07 12:43:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_mod_exit [2019-10-07 12:43:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-07 12:43:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hc_driver_2 [2019-10-07 12:43:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-07 12:43:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-07 12:43:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-07 12:43:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-07 12:43:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-07 12:43:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-07 12:43:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2019-10-07 12:43:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-07 12:43:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_4 [2019-10-07 12:43:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:43:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 12:43:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 12:43:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 12:43:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 12:43:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 12:43:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 12:43:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:43:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_24 [2019-10-07 12:43:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_25 [2019-10-07 12:43:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_26 [2019-10-07 12:43:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_27 [2019-10-07 12:43:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28 [2019-10-07 12:43:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_29 [2019-10-07 12:43:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:43:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 12:43:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 12:43:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 12:43:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 12:43:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 12:43:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:43:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-07 12:43:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-07 12:43:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-07 12:43:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-07 12:43:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 12:43:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-07 12:43:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-07 12:43:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 12:43:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-10-07 12:43:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 12:43:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:43:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 12:43:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 12:43:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 12:43:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 12:43:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:43:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2019-10-07 12:43:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2019-10-07 12:43:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2019-10-07 12:43:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-10-07 12:43:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-07 12:43:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 12:43:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-07 12:43:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_capable [2019-10-07 12:43:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-07 12:43:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-07 12:43:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2019-10-07 12:43:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2019-10-07 12:43:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2019-10-07 12:43:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-10-07 12:43:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-07 12:43:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-10-07 12:43:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2019-10-07 12:43:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:43:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:43:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-07 12:43:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 12:43:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-07 12:43:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 12:43:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 12:43:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 12:43:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 12:43:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-07 12:43:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2019-10-07 12:43:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2019-10-07 12:43:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-10-07 12:43:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure set_timer_slack [2019-10-07 12:43:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2019-10-07 12:43:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-10-07 12:43:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2019-10-07 12:43:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_dev_put [2019-10-07 12:43:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_disable [2019-10-07 12:43:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_amd_quirk_pll_enable [2019-10-07 12:43:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2019-10-07 12:43:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2019-10-07 12:43:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2019-10-07 12:43:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_check_unlink_urb [2019-10-07 12:43:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2019-10-07 12:43:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2019-10-07 12:43:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2019-10-07 12:43:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2019-10-07 12:43:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2019-10-07 12:43:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_root_hub_lost_power [2019-10-07 12:43:03,238 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 12:43:03,238 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:43:03,238 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:43:03,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:43:03,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:43:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:43:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:43:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 12:43:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 12:43:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2019-10-07 12:43:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:43:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-07 12:43:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 12:43:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-07 12:43:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-07 12:43:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-10-07 12:43:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-07 12:43:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-07 12:43:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:43:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:43:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:43:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:43:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:43:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:43:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:43:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:43:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:43:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:43:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:43:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 12:43:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 12:43:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:43:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:43:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:43:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:43:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:43:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 12:43:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:43:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 12:43:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-07 12:43:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:43:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 12:43:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 12:43:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 12:43:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 12:43:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:43:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 12:43:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 12:43:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 12:43:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 12:43:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:43:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:43:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-07 12:43:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 12:43:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-07 12:43:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 12:43:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-07 12:43:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 12:43:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-07 12:43:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 12:43:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:43:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 12:43:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 12:43:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 12:43:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 12:43:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-10-07 12:43:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-07 12:43:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-10-07 12:43:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-07 12:43:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_27 [2019-10-07 12:43:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28 [2019-10-07 12:43:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure set_timer_slack [2019-10-07 12:43:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-07 12:43:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_24 [2019-10-07 12:43:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_29 [2019-10-07 12:43:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-07 12:43:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-10-07 12:43:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-07 12:43:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-07 12:43:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-07 12:43:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-07 12:43:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2019-10-07 12:43:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-10-07 12:43:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 12:43:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2019-10-07 12:43:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:43:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:43:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 12:43:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 12:43:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-07 12:43:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hc_driver_2 [2019-10-07 12:43:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-07 12:43:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-07 12:43:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-07 12:43:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-07 12:43:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-07 12:43:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-07 12:43:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2019-10-07 12:43:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-07 12:43:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_4 [2019-10-07 12:43:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2019-10-07 12:43:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_capable [2019-10-07 12:43:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 12:43:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 12:43:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-07 12:43:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2019-10-07 12:43:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2019-10-07 12:43:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2019-10-07 12:43:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_25 [2019-10-07 12:43:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_26 [2019-10-07 12:43:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2019-10-07 12:43:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-07 12:43:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-07 12:43:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 12:43:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 12:43:03,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-07 12:43:03,254 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2019-10-07 12:43:03,254 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-07 12:43:03,254 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-10-07 12:43:03,254 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-10-07 12:43:03,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2019-10-07 12:43:03,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2019-10-07 12:43:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:43:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2019-10-07 12:43:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_check_unlink_urb [2019-10-07 12:43:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2019-10-07 12:43:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2019-10-07 12:43:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2019-10-07 12:43:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2019-10-07 12:43:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2019-10-07 12:43:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure usb_root_hub_lost_power [2019-10-07 12:43:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2019-10-07 12:43:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2019-10-07 12:43:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2019-10-07 12:43:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2019-10-07 12:43:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2019-10-07 12:43:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:43:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2019-10-07 12:43:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2019-10-07 12:43:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2019-10-07 12:43:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2019-10-07 12:43:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2019-10-07 12:43:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2019-10-07 12:43:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2019-10-07 12:43:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2019-10-07 12:43:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc16 [2019-10-07 12:43:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2019-10-07 12:43:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure hc16_to_cpup [2019-10-07 12:43:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2019-10-07 12:43:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2019-10-07 12:43:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2019-10-07 12:43:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2019-10-07 12:43:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSW [2019-10-07 12:43:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2019-10-07 12:43:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2019-10-07 12:43:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2019-10-07 12:43:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2019-10-07 12:43:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2019-10-07 12:43:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init_driver [2019-10-07 12:43:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2019-10-07 12:43:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_setup [2019-10-07 12:43:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_suspend [2019-10-07 12:43:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_resume [2019-10-07 12:43:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2019-10-07 12:43:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2019-10-07 12:43:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_dev_put [2019-10-07 12:43:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_disable [2019-10-07 12:43:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure usb_amd_quirk_pll_enable [2019-10-07 12:43:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2019-10-07 12:43:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2019-10-07 12:43:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2019-10-07 12:43:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure io_watchdog_func [2019-10-07 12:43:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure update_done_list [2019-10-07 12:43:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_work [2019-10-07 12:43:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2019-10-07 12:43:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:43:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2019-10-07 12:43:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2019-10-07 12:43:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2019-10-07 12:43:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2019-10-07 12:43:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_root_hub_state_changes [2019-10-07 12:43:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_descriptor [2019-10-07 12:43:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2019-10-07 12:43:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure root_port_reset [2019-10-07 12:43:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 12:43:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2019-10-07 12:43:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2019-10-07 12:43:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2019-10-07 12:43:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2019-10-07 12:43:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2019-10-07 12:43:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2019-10-07 12:43:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure debug_async_open [2019-10-07 12:43:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure debug_periodic_open [2019-10-07 12:43:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure debug_registers_open [2019-10-07 12:43:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2019-10-07 12:43:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2019-10-07 12:43:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2019-10-07 12:43:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure fill_async_buffer [2019-10-07 12:43:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure fill_periodic_buffer [2019-10-07 12:43:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure fill_registers_buffer [2019-10-07 12:43:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2019-10-07 12:43:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure fill_buffer [2019-10-07 12:43:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 12:43:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure create_debug_files [2019-10-07 12:43:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure remove_debug_files [2019-10-07 12:43:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_init [2019-10-07 12:43:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_mem_init [2019-10-07 12:43:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_mem_cleanup [2019-10-07 12:43:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure dma_to_td [2019-10-07 12:43:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2019-10-07 12:43:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2019-10-07 12:43:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure ed_alloc [2019-10-07 12:43:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2019-10-07 12:43:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2019-10-07 12:43:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2019-10-07 12:43:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure balance [2019-10-07 12:43:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_link [2019-10-07 12:43:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2019-10-07 12:43:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_unlink [2019-10-07 12:43:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2019-10-07 12:43:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure ed_get [2019-10-07 12:43:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2019-10-07 12:43:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2019-10-07 12:43:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure td_submit_urb [2019-10-07 12:43:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2019-10-07 12:43:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure ed_halted [2019-10-07 12:43:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_done_list [2019-10-07 12:43:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure finish_unlinks [2019-10-07 12:43:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure takeback_td [2019-10-07 12:43:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure process_done_list [2019-10-07 12:43:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure number_of_tds [2019-10-07 12:43:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2019-10-07 12:43:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2019-10-07 12:43:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2019-10-07 12:43:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2019-10-07 12:43:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2019-10-07 12:43:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2019-10-07 12:43:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2019-10-07 12:43:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2019-10-07 12:43:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start [2019-10-07 12:43:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2019-10-07 12:43:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_mod_init [2019-10-07 12:43:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_mod_exit [2019-10-07 12:43:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:43:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:43:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:43:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:43:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 12:43:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 12:43:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 12:43:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 12:43:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-07 12:43:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:43:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-07 12:43:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-07 12:43:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:43:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 12:43:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 12:43:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:43:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:43:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:43:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:43:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:43:05,705 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:45:17,290 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:45:17,290 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 12:45:17,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:45:17 BoogieIcfgContainer [2019-10-07 12:45:17,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:45:17,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:45:17,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:45:17,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:45:17,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:42:57" (1/3) ... [2019-10-07 12:45:17,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b05cf93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:45:17, skipping insertion in model container [2019-10-07 12:45:17,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:43:02" (2/3) ... [2019-10-07 12:45:17,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b05cf93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:45:17, skipping insertion in model container [2019-10-07 12:45:17,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:45:17" (3/3) ... [2019-10-07 12:45:17,301 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2019-10-07 12:45:17,311 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:45:17,322 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:45:17,333 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:45:17,371 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:45:17,371 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:45:17,371 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:45:17,371 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:45:17,371 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:45:17,371 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:45:17,372 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:45:17,372 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:45:17,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states. [2019-10-07 12:45:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-07 12:45:17,450 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:45:17,452 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 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] [2019-10-07 12:45:17,454 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:45:17,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:45:17,461 INFO L82 PathProgramCache]: Analyzing trace with hash 301546241, now seen corresponding path program 1 times [2019-10-07 12:45:17,470 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:45:17,470 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:45:17,471 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:45:17,471 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:45:17,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:45:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:45:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2019-10-07 12:45:19,948 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:45:19,949 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:45:19,949 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:45:19,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:45:19,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:45:19,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:45:19,972 INFO L87 Difference]: Start difference. First operand 2803 states. Second operand 3 states. [2019-10-07 12:45:41,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:45:41,824 INFO L93 Difference]: Finished difference Result 8020 states and 11617 transitions. [2019-10-07 12:45:41,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:45:41,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2019-10-07 12:45:41,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:45:41,888 INFO L225 Difference]: With dead ends: 8020 [2019-10-07 12:45:41,888 INFO L226 Difference]: Without dead ends: 5309 [2019-10-07 12:45:41,910 INFO L606 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 [2019-10-07 12:45:41,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2019-10-07 12:45:42,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 5305. [2019-10-07 12:45:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5305 states. [2019-10-07 12:45:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5305 states to 5305 states and 7582 transitions. [2019-10-07 12:45:42,311 INFO L78 Accepts]: Start accepts. Automaton has 5305 states and 7582 transitions. Word has length 247 [2019-10-07 12:45:42,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:45:42,313 INFO L462 AbstractCegarLoop]: Abstraction has 5305 states and 7582 transitions. [2019-10-07 12:45:42,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:45:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 5305 states and 7582 transitions. [2019-10-07 12:45:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-10-07 12:45:42,319 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:45:42,320 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 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] [2019-10-07 12:45:42,320 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:45:42,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:45:42,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1558014674, now seen corresponding path program 1 times [2019-10-07 12:45:42,321 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:45:42,321 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:45:42,321 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:45:42,321 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:45:42,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:45:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:45:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2019-10-07 12:45:43,727 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:45:43,728 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:45:43,728 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:45:43,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:45:43,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:45:43,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:45:43,734 INFO L87 Difference]: Start difference. First operand 5305 states and 7582 transitions. Second operand 3 states. [2019-10-07 12:46:08,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:46:08,306 INFO L93 Difference]: Finished difference Result 15717 states and 22468 transitions. [2019-10-07 12:46:08,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:46:08,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2019-10-07 12:46:08,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:46:08,422 INFO L225 Difference]: With dead ends: 15717 [2019-10-07 12:46:08,422 INFO L226 Difference]: Without dead ends: 10478 [2019-10-07 12:46:08,456 INFO L606 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 [2019-10-07 12:46:08,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10478 states. [2019-10-07 12:46:09,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10478 to 10473. [2019-10-07 12:46:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10473 states. [2019-10-07 12:46:09,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10473 states to 10473 states and 14971 transitions. [2019-10-07 12:46:09,094 INFO L78 Accepts]: Start accepts. Automaton has 10473 states and 14971 transitions. Word has length 250 [2019-10-07 12:46:09,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:46:09,097 INFO L462 AbstractCegarLoop]: Abstraction has 10473 states and 14971 transitions. [2019-10-07 12:46:09,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:46:09,097 INFO L276 IsEmpty]: Start isEmpty. Operand 10473 states and 14971 transitions. [2019-10-07 12:46:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-10-07 12:46:09,108 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:46:09,110 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 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] [2019-10-07 12:46:09,111 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:46:09,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:46:09,111 INFO L82 PathProgramCache]: Analyzing trace with hash 454314587, now seen corresponding path program 1 times [2019-10-07 12:46:09,112 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:46:09,112 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:46:09,112 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:46:09,112 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:46:09,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:46:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:46:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2019-10-07 12:46:10,398 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:46:10,398 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:46:10,398 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:46:10,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:46:10,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:46:10,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:46:10,400 INFO L87 Difference]: Start difference. First operand 10473 states and 14971 transitions. Second operand 3 states. [2019-10-07 12:46:34,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:46:34,394 INFO L93 Difference]: Finished difference Result 30928 states and 44245 transitions. [2019-10-07 12:46:34,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:46:34,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2019-10-07 12:46:34,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:46:34,574 INFO L225 Difference]: With dead ends: 30928 [2019-10-07 12:46:34,574 INFO L226 Difference]: Without dead ends: 20521 [2019-10-07 12:46:34,634 INFO L606 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 [2019-10-07 12:46:34,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20521 states. [2019-10-07 12:46:35,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20521 to 20518. [2019-10-07 12:46:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20518 states. [2019-10-07 12:46:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20518 states to 20518 states and 29359 transitions. [2019-10-07 12:46:35,770 INFO L78 Accepts]: Start accepts. Automaton has 20518 states and 29359 transitions. Word has length 252 [2019-10-07 12:46:35,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:46:35,772 INFO L462 AbstractCegarLoop]: Abstraction has 20518 states and 29359 transitions. [2019-10-07 12:46:35,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:46:35,772 INFO L276 IsEmpty]: Start isEmpty. Operand 20518 states and 29359 transitions. [2019-10-07 12:46:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-10-07 12:46:35,779 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:46:35,780 INFO L385 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 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] [2019-10-07 12:46:35,780 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:46:35,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:46:35,781 INFO L82 PathProgramCache]: Analyzing trace with hash -22478832, now seen corresponding path program 1 times [2019-10-07 12:46:35,781 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:46:35,781 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:46:35,781 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:46:35,782 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:46:35,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:46:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:46:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2019-10-07 12:46:37,186 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:46:37,186 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:46:37,186 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:46:37,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:46:37,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:46:37,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:46:37,187 INFO L87 Difference]: Start difference. First operand 20518 states and 29359 transitions. Second operand 3 states. [2019-10-07 12:47:00,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:47:00,391 INFO L93 Difference]: Finished difference Result 54520 states and 77519 transitions. [2019-10-07 12:47:00,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:47:00,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2019-10-07 12:47:00,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:47:00,617 INFO L225 Difference]: With dead ends: 54520 [2019-10-07 12:47:00,617 INFO L226 Difference]: Without dead ends: 34074 [2019-10-07 12:47:00,742 INFO L606 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 [2019-10-07 12:47:00,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34074 states. [2019-10-07 12:47:03,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34074 to 34067. [2019-10-07 12:47:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34067 states. [2019-10-07 12:47:04,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34067 states to 34067 states and 48242 transitions. [2019-10-07 12:47:04,067 INFO L78 Accepts]: Start accepts. Automaton has 34067 states and 48242 transitions. Word has length 270 [2019-10-07 12:47:04,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:47:04,067 INFO L462 AbstractCegarLoop]: Abstraction has 34067 states and 48242 transitions. [2019-10-07 12:47:04,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:47:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 34067 states and 48242 transitions. [2019-10-07 12:47:04,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2019-10-07 12:47:04,078 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:47:04,078 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 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] [2019-10-07 12:47:04,078 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:47:04,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:47:04,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1080085456, now seen corresponding path program 1 times [2019-10-07 12:47:04,080 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:47:04,080 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:47:04,080 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:47:04,081 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:47:04,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:47:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:47:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1658 trivial. 0 not checked. [2019-10-07 12:47:05,286 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:47:05,286 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:47:05,287 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:47:05,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:47:05,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:47:05,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:47:05,289 INFO L87 Difference]: Start difference. First operand 34067 states and 48242 transitions. Second operand 3 states. [2019-10-07 12:47:05,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:47:05,877 INFO L93 Difference]: Finished difference Result 39180 states and 54974 transitions. [2019-10-07 12:47:05,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:47:05,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 346 [2019-10-07 12:47:05,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:47:06,157 INFO L225 Difference]: With dead ends: 39180 [2019-10-07 12:47:06,157 INFO L226 Difference]: Without dead ends: 39177 [2019-10-07 12:47:06,181 INFO L606 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 [2019-10-07 12:47:06,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39177 states. [2019-10-07 12:47:07,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39177 to 38958. [2019-10-07 12:47:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38958 states. [2019-10-07 12:47:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38958 states to 38958 states and 54646 transitions. [2019-10-07 12:47:07,912 INFO L78 Accepts]: Start accepts. Automaton has 38958 states and 54646 transitions. Word has length 346 [2019-10-07 12:47:07,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:47:07,913 INFO L462 AbstractCegarLoop]: Abstraction has 38958 states and 54646 transitions. [2019-10-07 12:47:07,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:47:07,913 INFO L276 IsEmpty]: Start isEmpty. Operand 38958 states and 54646 transitions. [2019-10-07 12:47:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-10-07 12:47:07,945 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:47:07,945 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 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] [2019-10-07 12:47:07,946 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:47:07,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:47:07,946 INFO L82 PathProgramCache]: Analyzing trace with hash 838989409, now seen corresponding path program 1 times [2019-10-07 12:47:07,946 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:47:07,947 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:47:07,947 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:47:07,947 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:47:07,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:47:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:47:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2019-10-07 12:47:10,063 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:47:10,064 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:47:10,064 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:47:10,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:47:10,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:47:10,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:47:10,066 INFO L87 Difference]: Start difference. First operand 38958 states and 54646 transitions. Second operand 5 states. [2019-10-07 12:47:38,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:47:38,890 INFO L93 Difference]: Finished difference Result 77921 states and 109289 transitions. [2019-10-07 12:47:38,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:47:38,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 369 [2019-10-07 12:47:38,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:47:39,076 INFO L225 Difference]: With dead ends: 77921 [2019-10-07 12:47:39,076 INFO L226 Difference]: Without dead ends: 38958 [2019-10-07 12:47:39,180 INFO L606 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 [2019-10-07 12:47:39,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38958 states. [2019-10-07 12:47:40,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38958 to 38958. [2019-10-07 12:47:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38958 states. [2019-10-07 12:47:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38958 states to 38958 states and 54630 transitions. [2019-10-07 12:47:40,715 INFO L78 Accepts]: Start accepts. Automaton has 38958 states and 54630 transitions. Word has length 369 [2019-10-07 12:47:40,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:47:40,715 INFO L462 AbstractCegarLoop]: Abstraction has 38958 states and 54630 transitions. [2019-10-07 12:47:40,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:47:40,716 INFO L276 IsEmpty]: Start isEmpty. Operand 38958 states and 54630 transitions. [2019-10-07 12:47:40,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2019-10-07 12:47:40,747 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:47:40,747 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 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] [2019-10-07 12:47:40,748 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:47:40,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:47:40,748 INFO L82 PathProgramCache]: Analyzing trace with hash 52309347, now seen corresponding path program 1 times [2019-10-07 12:47:40,748 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:47:40,748 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:47:40,749 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:47:40,749 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:47:40,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:47:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:47:42,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2019-10-07 12:47:42,286 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:47:42,287 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:47:42,287 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:47:42,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:47:42,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:47:42,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:47:42,288 INFO L87 Difference]: Start difference. First operand 38958 states and 54630 transitions. Second operand 3 states. [2019-10-07 12:48:12,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:48:12,820 INFO L93 Difference]: Finished difference Result 100608 states and 141287 transitions. [2019-10-07 12:48:12,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:48:12,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 386 [2019-10-07 12:48:12,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:48:13,136 INFO L225 Difference]: With dead ends: 100608 [2019-10-07 12:48:13,137 INFO L226 Difference]: Without dead ends: 61725 [2019-10-07 12:48:13,268 INFO L606 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 [2019-10-07 12:48:13,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61725 states. [2019-10-07 12:48:15,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61725 to 61666. [2019-10-07 12:48:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61666 states. [2019-10-07 12:48:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61666 states to 61666 states and 86390 transitions. [2019-10-07 12:48:15,501 INFO L78 Accepts]: Start accepts. Automaton has 61666 states and 86390 transitions. Word has length 386 [2019-10-07 12:48:15,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:48:15,502 INFO L462 AbstractCegarLoop]: Abstraction has 61666 states and 86390 transitions. [2019-10-07 12:48:15,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:48:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 61666 states and 86390 transitions. [2019-10-07 12:48:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2019-10-07 12:48:15,522 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:48:15,523 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 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] [2019-10-07 12:48:15,523 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:48:15,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:48:15,523 INFO L82 PathProgramCache]: Analyzing trace with hash 839439278, now seen corresponding path program 1 times [2019-10-07 12:48:15,524 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:48:15,524 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:48:15,524 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:48:15,524 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:48:15,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:48:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:48:21,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1585 trivial. 0 not checked. [2019-10-07 12:48:21,299 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:48:21,300 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:48:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true