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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 09:32:00,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 09:32:00,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 09:32:00,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 09:32:00,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 09:32:00,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 09:32:00,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 09:32:00,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 09:32:00,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 09:32:00,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 09:32:00,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 09:32:00,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 09:32:00,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 09:32:00,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 09:32:00,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 09:32:00,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 09:32:00,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 09:32:00,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 09:32:00,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 09:32:00,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 09:32:00,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 09:32:00,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 09:32:00,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 09:32:00,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 09:32:00,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 09:32:00,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 09:32:00,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 09:32:00,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 09:32:00,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 09:32:00,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 09:32:00,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 09:32:00,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 09:32:00,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 09:32:00,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 09:32:00,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 09:32:00,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 09:32:00,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 09:32:00,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 09:32:00,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 09:32:00,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 09:32:00,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 09:32:00,061 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 09:32:00,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 09:32:00,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 09:32:00,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 09:32:00,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 09:32:00,077 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 09:32:00,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 09:32:00,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 09:32:00,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 09:32:00,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 09:32:00,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 09:32:00,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 09:32:00,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 09:32:00,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 09:32:00,079 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 09:32:00,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 09:32:00,079 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 09:32:00,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 09:32:00,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 09:32:00,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 09:32:00,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 09:32:00,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 09:32:00,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 09:32:00,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 09:32:00,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 09:32:00,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 09:32:00,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 09:32:00,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 09:32:00,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 09:32:00,082 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 09:32:00,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 09:32:00,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 09:32:00,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 09:32:00,408 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 09:32:00,409 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 09:32:00,409 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2019-10-07 09:32:00,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390cb6f9b/91ecff93a4bb42dcb9a5eaaad5d4aa81/FLAG5deb5493b [2019-10-07 09:32:01,431 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 09:32:01,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2019-10-07 09:32:01,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390cb6f9b/91ecff93a4bb42dcb9a5eaaad5d4aa81/FLAG5deb5493b [2019-10-07 09:32:01,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390cb6f9b/91ecff93a4bb42dcb9a5eaaad5d4aa81 [2019-10-07 09:32:01,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 09:32:01,902 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 09:32:01,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 09:32:01,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 09:32:01,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 09:32:01,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 09:32:01" (1/1) ... [2019-10-07 09:32:01,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8938e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:32:01, skipping insertion in model container [2019-10-07 09:32:01,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 09:32:01" (1/1) ... [2019-10-07 09:32:01,919 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 09:32:02,044 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 09:32:02,649 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3517] [2019-10-07 09:32:02,650 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3518-3519] [2019-10-07 09:32:04,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 09:32:04,150 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 09:32:04,285 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3517] [2019-10-07 09:32:04,297 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3518-3519] [2019-10-07 09:32:04,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 09:32:04,852 INFO L192 MainTranslator]: Completed translation [2019-10-07 09:32:04,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:32:04 WrapperNode [2019-10-07 09:32:04,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 09:32:04,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 09:32:04,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 09:32:04,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 09:32:04,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:32:04" (1/1) ... [2019-10-07 09:32:04,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:32:04" (1/1) ... [2019-10-07 09:32:04,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:32:04" (1/1) ... [2019-10-07 09:32:04,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:32:04" (1/1) ... [2019-10-07 09:32:05,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:32:04" (1/1) ... [2019-10-07 09:32:05,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:32:04" (1/1) ... [2019-10-07 09:32:05,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:32:04" (1/1) ... [2019-10-07 09:32:05,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 09:32:05,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 09:32:05,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 09:32:05,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 09:32:05,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:32:04" (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 09:32:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 09:32:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 09:32:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 09:32:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-07 09:32:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-07 09:32:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-07 09:32:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 09:32:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-10-07 09:32:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_4 [2019-10-07 09:32:05,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-10-07 09:32:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_7 [2019-10-07 09:32:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-07 09:32:05,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 09:32:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-10-07 09:32:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-07 09:32:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kcalloc_14 [2019-10-07 09:32:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 09:32:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 09:32:05,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 09:32:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 09:32:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 09:32:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 09:32:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 09:32:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 09:32:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 09:32:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-07 09:32:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-10-07 09:32:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-10-07 09:32:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2019-10-07 09:32:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2019-10-07 09:32:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2019-10-07 09:32:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2019-10-07 09:32:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-07 09:32:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-07 09:32:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 09:32:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 09:32:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-07 09:32:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-07 09:32:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-07 09:32:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-07 09:32:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-07 09:32:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2019-10-07 09:32:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure get_endpoints [2019-10-07 09:32:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_callback [2019-10-07 09:32:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2019-10-07 09:32:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2019-10-07 09:32:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2019-10-07 09:32:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2019-10-07 09:32:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2019-10-07 09:32:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2019-10-07 09:32:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2019-10-07 09:32:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2019-10-07 09:32:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2019-10-07 09:32:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2019-10-07 09:32:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2019-10-07 09:32:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure get_altsetting [2019-10-07 09:32:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2019-10-07 09:32:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2019-10-07 09:32:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_ext [2019-10-07 09:32:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_ss_cap [2019-10-07 09:32:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_con_id [2019-10-07 09:32:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ch9_postconfig [2019-10-07 09:32:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_complete [2019-10-07 09:32:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ctrl_queue [2019-10-07 09:32:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1_callback [2019-10-07 09:32:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2019-10-07 09:32:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2019-10-07 09:32:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_queued_callback [2019-10-07 09:32:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_queued [2019-10-07 09:32:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2019-10-07 09:32:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_halted [2019-10-07 09:32:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2019-10-07 09:32:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure halt_simple [2019-10-07 09:32:05,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2019-10-07 09:32:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_callback [2019-10-07 09:32:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_alloc_urb [2019-10-07 09:32:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2019-10-07 09:32:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2019-10-07 09:32:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2019-10-07 09:32:05,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_probe [2019-10-07 09:32:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_suspend [2019-10-07 09:32:05,326 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_resume [2019-10-07 09:32:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2019-10-07 09:32:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_init [2019-10-07 09:32:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_exit [2019-10-07 09:32:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-07 09:32:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 09:32:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 09:32:05,327 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 09:32:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 09:32:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 09:32:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 09:32:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-07 09:32:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-07 09:32:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 09:32:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2019-10-07 09:32:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_20 [2019-10-07 09:32:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_21 [2019-10-07 09:32:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2019-10-07 09:32:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2019-10-07 09:32:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2019-10-07 09:32:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_25 [2019-10-07 09:32:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_26 [2019-10-07 09:32:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_27 [2019-10-07 09:32:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2019-10-07 09:32:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2019-10-07 09:32:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_30 [2019-10-07 09:32:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_31 [2019-10-07 09:32:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2019-10-07 09:32:05,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_33 [2019-10-07 09:32:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_34 [2019-10-07 09:32:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 09:32:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 09:32:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-07 09:32:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-07 09:32:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-07 09:32:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-07 09:32:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-07 09:32:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-07 09:32:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 09:32:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 09:32:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 09:32:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 09:32:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __virt_addr_valid [2019-10-07 09:32:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 09:32:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 09:32:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 09:32:05,335 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 09:32:05,335 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 09:32:05,335 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-07 09:32:05,338 INFO L138 BoogieDeclarations]: Found implementation of procedure completion_done [2019-10-07 09:32:05,339 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 09:32:05,339 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-07 09:32:05,339 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-10-07 09:32:05,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-07 09:32:05,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 09:32:05,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 09:32:05,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2019-10-07 09:32:05,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-07 09:32:05,341 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-07 09:32:05,347 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 09:32:05,347 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-10-07 09:32:05,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 09:32:05,348 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-07 09:32:05,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-07 09:32:05,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-07 09:32:05,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2019-10-07 09:32:05,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-07 09:32:05,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-07 09:32:05,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-07 09:32:05,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-07 09:32:05,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2019-10-07 09:32:05,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2019-10-07 09:32:05,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-07 09:32:05,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-07 09:32:05,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-07 09:32:05,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2019-10-07 09:32:05,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2019-10-07 09:32:05,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2019-10-07 09:32:05,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-07 09:32:05,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-10-07 09:32:05,350 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-07 09:32:05,351 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2019-10-07 09:32:05,351 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 09:32:05,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 09:32:05,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 09:32:05,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 09:32:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 09:32:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 09:32:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-07 09:32:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-07 09:32:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-07 09:32:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-07 09:32:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 09:32:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure __virt_addr_valid [2019-10-07 09:32:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 09:32:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 09:32:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 09:32:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-07 09:32:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-07 09:32:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-07 09:32:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 09:32:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 09:32:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 09:32:05,353 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 09:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 09:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 09:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-10-07 09:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 09:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_4 [2019-10-07 09:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 09:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-10-07 09:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 09:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_7 [2019-10-07 09:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 09:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-10-07 09:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 09:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 09:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-10-07 09:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 09:32:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-07 09:32:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 09:32:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 09:32:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-07 09:32:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2019-10-07 09:32:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure completion_done [2019-10-07 09:32:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-07 09:32:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-07 09:32:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 09:32:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 09:32:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 09:32:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-07 09:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-07 09:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-10-07 09:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 09:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-07 09:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kcalloc_14 [2019-10-07 09:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-07 09:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 09:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 09:32:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 09:32:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 09:32:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 09:32:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 09:32:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 09:32:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 09:32:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 09:32:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 09:32:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 09:32:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 09:32:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 09:32:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 09:32:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 09:32:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 09:32:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 09:32:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 09:32:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-07 09:32:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-07 09:32:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-10-07 09:32:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 09:32:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-10-07 09:32:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2019-10-07 09:32:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2019-10-07 09:32:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2019-10-07 09:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-07 09:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2019-10-07 09:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-07 09:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-07 09:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2019-10-07 09:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 09:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 09:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 09:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 09:32:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 09:32:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 09:32:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-07 09:32:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 09:32:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-07 09:32:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-07 09:32:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-07 09:32:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-07 09:32:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_33 [2019-10-07 09:32:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-07 09:32:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_34 [2019-10-07 09:32:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-07 09:32:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-07 09:32:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2019-10-07 09:32:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_27 [2019-10-07 09:32:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_30 [2019-10-07 09:32:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-07 09:32:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-07 09:32:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_21 [2019-10-07 09:32:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2019-10-07 09:32:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2019-10-07 09:32:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2019-10-07 09:32:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_25 [2019-10-07 09:32:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2019-10-07 09:32:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2019-10-07 09:32:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2019-10-07 09:32:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-10-07 09:32:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-07 09:32:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-07 09:32:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_20 [2019-10-07 09:32:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_26 [2019-10-07 09:32:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_31 [2019-10-07 09:32:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-07 09:32:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-07 09:32:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2019-10-07 09:32:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2019-10-07 09:32:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2019-10-07 09:32:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-07 09:32:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2019-10-07 09:32:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2019-10-07 09:32:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-07 09:32:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2019-10-07 09:32:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_endpoints [2019-10-07 09:32:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure simple_callback [2019-10-07 09:32:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2019-10-07 09:32:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 09:32:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2019-10-07 09:32:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2019-10-07 09:32:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2019-10-07 09:32:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2019-10-07 09:32:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2019-10-07 09:32:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2019-10-07 09:32:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2019-10-07 09:32:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2019-10-07 09:32:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2019-10-07 09:32:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2019-10-07 09:32:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure get_altsetting [2019-10-07 09:32:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2019-10-07 09:32:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2019-10-07 09:32:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_ext [2019-10-07 09:32:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_ss_cap [2019-10-07 09:32:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_con_id [2019-10-07 09:32:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure ch9_postconfig [2019-10-07 09:32:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_complete [2019-10-07 09:32:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure test_ctrl_queue [2019-10-07 09:32:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1_callback [2019-10-07 09:32:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2019-10-07 09:32:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2019-10-07 09:32:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_queued_callback [2019-10-07 09:32:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_queued [2019-10-07 09:32:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2019-10-07 09:32:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure verify_halted [2019-10-07 09:32:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2019-10-07 09:32:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure halt_simple [2019-10-07 09:32:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2019-10-07 09:32:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure iso_callback [2019-10-07 09:32:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure iso_alloc_urb [2019-10-07 09:32:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2019-10-07 09:32:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2019-10-07 09:32:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2019-10-07 09:32:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_probe [2019-10-07 09:32:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_suspend [2019-10-07 09:32:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_resume [2019-10-07 09:32:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2019-10-07 09:32:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_init [2019-10-07 09:32:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_exit [2019-10-07 09:32:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 09:32:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2019-10-07 09:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 09:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 09:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-07 09:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 09:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-07 09:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-07 09:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 09:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 09:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 09:32:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 09:32:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 09:32:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 09:32:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 09:32:07,084 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 09:32:21,846 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 09:32:21,846 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 09:32:21,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 09:32:21 BoogieIcfgContainer [2019-10-07 09:32:21,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 09:32:21,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 09:32:21,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 09:32:21,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 09:32:21,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 09:32:01" (1/3) ... [2019-10-07 09:32:21,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6580c7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 09:32:21, skipping insertion in model container [2019-10-07 09:32:21,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 09:32:04" (2/3) ... [2019-10-07 09:32:21,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6580c7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 09:32:21, skipping insertion in model container [2019-10-07 09:32:21,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 09:32:21" (3/3) ... [2019-10-07 09:32:21,856 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2019-10-07 09:32:21,865 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 09:32:21,873 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 09:32:21,882 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 09:32:21,921 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 09:32:21,921 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 09:32:21,921 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 09:32:21,921 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 09:32:21,922 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 09:32:21,922 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 09:32:21,922 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 09:32:21,922 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 09:32:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states. [2019-10-07 09:32:21,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-07 09:32:21,976 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:32:21,978 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 09:32:21,980 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:32:21,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:32:21,986 INFO L82 PathProgramCache]: Analyzing trace with hash 704219964, now seen corresponding path program 1 times [2019-10-07 09:32:21,995 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:32:21,996 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:32:21,996 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:32:21,996 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:32:21,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:32:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:32:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-07 09:32:22,854 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:32:22,855 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:32:22,855 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 09:32:22,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 09:32:22,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 09:32:22,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:32:22,877 INFO L87 Difference]: Start difference. First operand 1367 states. Second operand 3 states. [2019-10-07 09:32:23,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:32:23,544 INFO L93 Difference]: Finished difference Result 2557 states and 3599 transitions. [2019-10-07 09:32:23,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 09:32:23,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-10-07 09:32:23,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:32:23,576 INFO L225 Difference]: With dead ends: 2557 [2019-10-07 09:32:23,577 INFO L226 Difference]: Without dead ends: 1267 [2019-10-07 09:32:23,591 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 09:32:23,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2019-10-07 09:32:23,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1260. [2019-10-07 09:32:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1260 states. [2019-10-07 09:32:23,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1729 transitions. [2019-10-07 09:32:23,770 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1729 transitions. Word has length 44 [2019-10-07 09:32:23,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:32:23,771 INFO L462 AbstractCegarLoop]: Abstraction has 1260 states and 1729 transitions. [2019-10-07 09:32:23,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 09:32:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1729 transitions. [2019-10-07 09:32:23,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 09:32:23,785 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:32:23,785 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-10-07 09:32:23,786 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:32:23,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:32:23,786 INFO L82 PathProgramCache]: Analyzing trace with hash 158946108, now seen corresponding path program 1 times [2019-10-07 09:32:23,786 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:32:23,786 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:32:23,787 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:32:23,787 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:32:23,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:32:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:32:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 09:32:24,274 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:32:24,274 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:32:24,274 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 09:32:24,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 09:32:24,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 09:32:24,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:32:24,277 INFO L87 Difference]: Start difference. First operand 1260 states and 1729 transitions. Second operand 3 states. [2019-10-07 09:32:24,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:32:24,341 INFO L93 Difference]: Finished difference Result 1288 states and 1755 transitions. [2019-10-07 09:32:24,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 09:32:24,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-07 09:32:24,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:32:24,351 INFO L225 Difference]: With dead ends: 1288 [2019-10-07 09:32:24,352 INFO L226 Difference]: Without dead ends: 1285 [2019-10-07 09:32:24,353 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 09:32:24,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2019-10-07 09:32:24,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1285. [2019-10-07 09:32:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1285 states. [2019-10-07 09:32:24,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1752 transitions. [2019-10-07 09:32:24,424 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1752 transitions. Word has length 75 [2019-10-07 09:32:24,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:32:24,424 INFO L462 AbstractCegarLoop]: Abstraction has 1285 states and 1752 transitions. [2019-10-07 09:32:24,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 09:32:24,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1752 transitions. [2019-10-07 09:32:24,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-07 09:32:24,435 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:32:24,436 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:32:24,436 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:32:24,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:32:24,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1302021089, now seen corresponding path program 1 times [2019-10-07 09:32:24,437 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:32:24,437 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:32:24,437 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:32:24,437 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:32:24,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:32:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 09:32:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-07 09:32:24,781 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:32:24,781 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 09:32:24,781 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 09:32:24,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 09:32:24,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 09:32:24,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 09:32:24,783 INFO L87 Difference]: Start difference. First operand 1285 states and 1752 transitions. Second operand 3 states. [2019-10-07 09:32:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 09:32:27,592 INFO L93 Difference]: Finished difference Result 2630 states and 3578 transitions. [2019-10-07 09:32:27,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 09:32:27,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-10-07 09:32:27,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 09:32:27,609 INFO L225 Difference]: With dead ends: 2630 [2019-10-07 09:32:27,609 INFO L226 Difference]: Without dead ends: 1370 [2019-10-07 09:32:27,618 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 09:32:27,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2019-10-07 09:32:27,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1357. [2019-10-07 09:32:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1357 states. [2019-10-07 09:32:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1829 transitions. [2019-10-07 09:32:27,716 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1829 transitions. Word has length 178 [2019-10-07 09:32:27,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 09:32:27,717 INFO L462 AbstractCegarLoop]: Abstraction has 1357 states and 1829 transitions. [2019-10-07 09:32:27,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 09:32:27,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1829 transitions. [2019-10-07 09:32:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-07 09:32:27,734 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 09:32:27,734 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:32:27,735 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 09:32:27,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 09:32:27,735 INFO L82 PathProgramCache]: Analyzing trace with hash -2127435802, now seen corresponding path program 1 times [2019-10-07 09:32:27,736 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 09:32:27,736 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 09:32:27,736 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:32:27,736 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 09:32:27,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 09:32:27,927 ERROR L261 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-07 09:32:27,928 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Benchmark is only available after the trace check is finished. at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.getStatistics(TraceCheck.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.getStatistics(InterpolatingTraceCheck.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.aggregateStatistics(IpTcStrategyModuleTraceCheck.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-07 09:32:27,939 INFO L168 Benchmark]: Toolchain (without parser) took 26032.74 ms. Allocated memory was 141.6 MB in the beginning and 627.6 MB in the end (delta: 486.0 MB). Free memory was 90.0 MB in the beginning and 92.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 483.3 MB. Max. memory is 7.1 GB. [2019-10-07 09:32:27,940 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 118.0 MB in the beginning and 117.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 09:32:27,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2949.26 ms. Allocated memory was 141.6 MB in the beginning and 262.1 MB in the end (delta: 120.6 MB). Free memory was 89.8 MB in the beginning and 173.6 MB in the end (delta: -83.8 MB). Peak memory consumption was 117.6 MB. Max. memory is 7.1 GB. [2019-10-07 09:32:27,947 INFO L168 Benchmark]: Boogie Preprocessor took 374.08 ms. Allocated memory is still 262.1 MB. Free memory was 173.6 MB in the beginning and 140.3 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2019-10-07 09:32:27,948 INFO L168 Benchmark]: RCFGBuilder took 16620.99 ms. Allocated memory was 262.1 MB in the beginning and 627.6 MB in the end (delta: 365.4 MB). Free memory was 140.3 MB in the beginning and 533.5 MB in the end (delta: -393.2 MB). Peak memory consumption was 386.0 MB. Max. memory is 7.1 GB. [2019-10-07 09:32:27,949 INFO L168 Benchmark]: TraceAbstraction took 6083.84 ms. Allocated memory is still 627.6 MB. Free memory was 533.5 MB in the beginning and 92.7 MB in the end (delta: 440.8 MB). Peak memory consumption was 440.8 MB. Max. memory is 7.1 GB. [2019-10-07 09:32:27,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 118.0 MB in the beginning and 117.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2949.26 ms. Allocated memory was 141.6 MB in the beginning and 262.1 MB in the end (delta: 120.6 MB). Free memory was 89.8 MB in the beginning and 173.6 MB in the end (delta: -83.8 MB). Peak memory consumption was 117.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 374.08 ms. Allocated memory is still 262.1 MB. Free memory was 173.6 MB in the beginning and 140.3 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16620.99 ms. Allocated memory was 262.1 MB in the beginning and 627.6 MB in the end (delta: 365.4 MB). Free memory was 140.3 MB in the beginning and 533.5 MB in the end (delta: -393.2 MB). Peak memory consumption was 386.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6083.84 ms. Allocated memory is still 627.6 MB. Free memory was 533.5 MB in the beginning and 92.7 MB in the end (delta: 440.8 MB). Peak memory consumption was 440.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Benchmark is only available after the trace check is finished. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Benchmark is only available after the trace check is finished.: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.getStatistics(TraceCheck.java:457) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...