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-f4eb214f-m [2019-10-13 22:21:27,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:21:27,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:21:27,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:21:27,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:21:27,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:21:27,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:21:27,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:21:27,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:21:27,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:21:27,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:21:27,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:21:27,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:21:27,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:21:27,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:21:27,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:21:27,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:21:27,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:21:27,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:21:27,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:21:27,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:21:27,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:21:27,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:21:27,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:21:27,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:21:27,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:21:27,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:21:27,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:21:27,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:21:27,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:21:27,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:21:27,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:21:27,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:21:27,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:21:27,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:21:27,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:21:27,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:21:27,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:21:27,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:21:27,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:21:27,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:21:27,330 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 [2019-10-13 22:21:27,344 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:21:27,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:21:27,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:21:27,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:21:27,346 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:21:27,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:21:27,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:21:27,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:21:27,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:21:27,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:21:27,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:21:27,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:21:27,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:21:27,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:21:27,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:21:27,348 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:21:27,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:21:27,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:21:27,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:21:27,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:21:27,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:21:27,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:21:27,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:21:27,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:21:27,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:21:27,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:21:27,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:21:27,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:21:27,350 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 [2019-10-13 22:21:27,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:21:27,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:21:27,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:21:27,636 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:21:27,636 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:21:27,637 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2019-10-13 22:21:27,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f20fef3e/71eac79554e745a9a910fed69858542c/FLAGcf9d70a9e [2019-10-13 22:21:28,540 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:21:28,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2019-10-13 22:21:28,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f20fef3e/71eac79554e745a9a910fed69858542c/FLAGcf9d70a9e [2019-10-13 22:21:29,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f20fef3e/71eac79554e745a9a910fed69858542c [2019-10-13 22:21:29,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:21:29,038 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:21:29,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:21:29,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:21:29,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:21:29,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:21:29" (1/1) ... [2019-10-13 22:21:29,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@751f054b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:21:29, skipping insertion in model container [2019-10-13 22:21:29,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:21:29" (1/1) ... [2019-10-13 22:21:29,053 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:21:29,183 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:21:29,735 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3517] [2019-10-13 22:21:29,736 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] [2019-10-13 22:21:31,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:21:31,141 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:21:31,236 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3517] [2019-10-13 22:21:31,238 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] [2019-10-13 22:21:31,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:21:31,857 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:21:31,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:21:31 WrapperNode [2019-10-13 22:21:31,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:21:31,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:21:31,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:21:31,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:21:31,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:21:31" (1/1) ... [2019-10-13 22:21:31,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:21:31" (1/1) ... [2019-10-13 22:21:32,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:21:31" (1/1) ... [2019-10-13 22:21:32,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:21:31" (1/1) ... [2019-10-13 22:21:32,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:21:31" (1/1) ... [2019-10-13 22:21:32,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:21:31" (1/1) ... [2019-10-13 22:21:32,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:21:31" (1/1) ... [2019-10-13 22:21:32,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:21:32,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:21:32,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:21:32,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:21:32,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:21:31" (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 [2019-10-13 22:21:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:21:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:21:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-13 22:21:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 22:21:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-13 22:21:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-13 22:21:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:21:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-10-13 22:21:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_4 [2019-10-13 22:21:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-10-13 22:21:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_7 [2019-10-13 22:21:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-13 22:21:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:21:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-10-13 22:21:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-13 22:21:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kcalloc_14 [2019-10-13 22:21:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:21:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:21:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:21:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:21:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:21:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:21:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:21:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:21:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:21:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-13 22:21:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-10-13 22:21:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-10-13 22:21:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2019-10-13 22:21:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2019-10-13 22:21:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2019-10-13 22:21:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2019-10-13 22:21:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-13 22:21:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-13 22:21:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:21:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:21:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-13 22:21:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-13 22:21:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 22:21:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-13 22:21:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 22:21:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2019-10-13 22:21:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure get_endpoints [2019-10-13 22:21:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_callback [2019-10-13 22:21:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2019-10-13 22:21:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2019-10-13 22:21:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2019-10-13 22:21:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2019-10-13 22:21:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2019-10-13 22:21:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2019-10-13 22:21:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2019-10-13 22:21:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2019-10-13 22:21:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2019-10-13 22:21:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2019-10-13 22:21:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2019-10-13 22:21:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure get_altsetting [2019-10-13 22:21:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2019-10-13 22:21:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2019-10-13 22:21:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_ext [2019-10-13 22:21:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_ss_cap [2019-10-13 22:21:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_con_id [2019-10-13 22:21:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ch9_postconfig [2019-10-13 22:21:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_complete [2019-10-13 22:21:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ctrl_queue [2019-10-13 22:21:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1_callback [2019-10-13 22:21:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2019-10-13 22:21:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2019-10-13 22:21:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_queued_callback [2019-10-13 22:21:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_queued [2019-10-13 22:21:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2019-10-13 22:21:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_halted [2019-10-13 22:21:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2019-10-13 22:21:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure halt_simple [2019-10-13 22:21:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2019-10-13 22:21:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_callback [2019-10-13 22:21:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_alloc_urb [2019-10-13 22:21:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2019-10-13 22:21:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2019-10-13 22:21:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2019-10-13 22:21:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_probe [2019-10-13 22:21:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_suspend [2019-10-13 22:21:32,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_resume [2019-10-13 22:21:32,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2019-10-13 22:21:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_init [2019-10-13 22:21:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_exit [2019-10-13 22:21:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 22:21:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:21:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 22:21:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 22:21:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 22:21:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 22:21:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:21:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-13 22:21:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-13 22:21:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:21:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2019-10-13 22:21:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_20 [2019-10-13 22:21:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_21 [2019-10-13 22:21:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2019-10-13 22:21:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2019-10-13 22:21:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2019-10-13 22:21:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_25 [2019-10-13 22:21:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_26 [2019-10-13 22:21:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_27 [2019-10-13 22:21:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2019-10-13 22:21:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2019-10-13 22:21:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_30 [2019-10-13 22:21:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_31 [2019-10-13 22:21:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2019-10-13 22:21:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_33 [2019-10-13 22:21:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_34 [2019-10-13 22:21:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 22:21:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:21:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 22:21:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 22:21:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 22:21:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 22:21:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 22:21:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 22:21:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 22:21:32,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:21:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-13 22:21:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:21:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __virt_addr_valid [2019-10-13 22:21:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 22:21:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 22:21:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 22:21:32,375 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 22:21:32,375 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 22:21:32,375 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-13 22:21:32,378 INFO L138 BoogieDeclarations]: Found implementation of procedure completion_done [2019-10-13 22:21:32,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 22:21:32,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-13 22:21:32,379 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-10-13 22:21:32,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-13 22:21:32,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:21:32,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:21:32,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2019-10-13 22:21:32,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 22:21:32,380 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-13 22:21:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 22:21:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-10-13 22:21:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:21:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-13 22:21:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 22:21:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 22:21:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2019-10-13 22:21:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 22:21:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 22:21:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 22:21:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 22:21:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2019-10-13 22:21:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2019-10-13 22:21:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 22:21:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 22:21:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-13 22:21:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2019-10-13 22:21:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2019-10-13 22:21:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2019-10-13 22:21:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 22:21:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-10-13 22:21:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-13 22:21:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2019-10-13 22:21:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:21:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:21:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:21:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:21:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:21:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:21:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 22:21:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 22:21:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 22:21:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 22:21:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-13 22:21:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure __virt_addr_valid [2019-10-13 22:21:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:21:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-13 22:21:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:21:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 22:21:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-13 22:21:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-13 22:21:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:21:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 22:21:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 22:21:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 22:21:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 22:21:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:21:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-10-13 22:21:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 22:21:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_4 [2019-10-13 22:21:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 22:21:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-10-13 22:21:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 22:21:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_7 [2019-10-13 22:21:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 22:21:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-10-13 22:21:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 22:21:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:21:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-10-13 22:21:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:21:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-13 22:21:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:21:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:21:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-13 22:21:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2019-10-13 22:21:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure completion_done [2019-10-13 22:21:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-13 22:21:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-13 22:21:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:21:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:21:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:21:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-13 22:21:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-13 22:21:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-10-13 22:21:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:21:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-13 22:21:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kcalloc_14 [2019-10-13 22:21:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-13 22:21:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:21:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 22:21:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:21:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:21:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:21:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:21:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:21:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:21:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:21:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:21:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:21:32,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:21:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:21:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:21:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:21:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:21:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:21:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:21:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 22:21:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-13 22:21:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-10-13 22:21:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:21:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-10-13 22:21:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2019-10-13 22:21:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2019-10-13 22:21:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2019-10-13 22:21:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-13 22:21:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2019-10-13 22:21:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-13 22:21:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-13 22:21:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2019-10-13 22:21:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 22:21:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:21:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:21:32,405 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:21:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:21:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 22:21:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-13 22:21:32,407 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 22:21:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-13 22:21:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-13 22:21:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 22:21:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 22:21:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_33 [2019-10-13 22:21:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 22:21:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_34 [2019-10-13 22:21:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-13 22:21:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 22:21:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2019-10-13 22:21:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_27 [2019-10-13 22:21:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_30 [2019-10-13 22:21:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 22:21:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 22:21:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_21 [2019-10-13 22:21:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2019-10-13 22:21:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2019-10-13 22:21:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2019-10-13 22:21:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_25 [2019-10-13 22:21:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2019-10-13 22:21:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2019-10-13 22:21:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2019-10-13 22:21:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-10-13 22:21:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 22:21:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 22:21:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_20 [2019-10-13 22:21:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_26 [2019-10-13 22:21:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_31 [2019-10-13 22:21:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 22:21:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 22:21:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2019-10-13 22:21:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2019-10-13 22:21:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2019-10-13 22:21:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-13 22:21:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2019-10-13 22:21:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2019-10-13 22:21:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 22:21:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2019-10-13 22:21:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure get_endpoints [2019-10-13 22:21:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure simple_callback [2019-10-13 22:21:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2019-10-13 22:21:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:21:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2019-10-13 22:21:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2019-10-13 22:21:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2019-10-13 22:21:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2019-10-13 22:21:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2019-10-13 22:21:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2019-10-13 22:21:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2019-10-13 22:21:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2019-10-13 22:21:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2019-10-13 22:21:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2019-10-13 22:21:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure get_altsetting [2019-10-13 22:21:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2019-10-13 22:21:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2019-10-13 22:21:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_ext [2019-10-13 22:21:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_ss_cap [2019-10-13 22:21:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_con_id [2019-10-13 22:21:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure ch9_postconfig [2019-10-13 22:21:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_complete [2019-10-13 22:21:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure test_ctrl_queue [2019-10-13 22:21:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1_callback [2019-10-13 22:21:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2019-10-13 22:21:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2019-10-13 22:21:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_queued_callback [2019-10-13 22:21:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_queued [2019-10-13 22:21:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2019-10-13 22:21:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure verify_halted [2019-10-13 22:21:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2019-10-13 22:21:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure halt_simple [2019-10-13 22:21:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2019-10-13 22:21:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure iso_callback [2019-10-13 22:21:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure iso_alloc_urb [2019-10-13 22:21:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2019-10-13 22:21:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2019-10-13 22:21:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2019-10-13 22:21:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_probe [2019-10-13 22:21:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_suspend [2019-10-13 22:21:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_resume [2019-10-13 22:21:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2019-10-13 22:21:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_init [2019-10-13 22:21:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_exit [2019-10-13 22:21:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:21:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2019-10-13 22:21:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:21:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:21:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 22:21:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:21:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 22:21:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 22:21:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:21:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:21:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:21:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:21:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:21:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:21:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:21:33,880 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:21:48,341 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:21:48,341 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:21:48,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:21:48 BoogieIcfgContainer [2019-10-13 22:21:48,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:21:48,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:21:48,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:21:48,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:21:48,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:21:29" (1/3) ... [2019-10-13 22:21:48,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b74a6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:21:48, skipping insertion in model container [2019-10-13 22:21:48,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:21:31" (2/3) ... [2019-10-13 22:21:48,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b74a6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:21:48, skipping insertion in model container [2019-10-13 22:21:48,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:21:48" (3/3) ... [2019-10-13 22:21:48,351 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 [2019-10-13 22:21:48,360 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:21:48,370 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:21:48,381 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:21:48,416 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:21:48,416 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:21:48,416 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:21:48,416 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:21:48,416 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:21:48,416 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:21:48,416 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:21:48,417 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:21:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states. [2019-10-13 22:21:48,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-13 22:21:48,468 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:48,469 INFO L380 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] [2019-10-13 22:21:48,471 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:48,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:48,477 INFO L82 PathProgramCache]: Analyzing trace with hash 704219964, now seen corresponding path program 1 times [2019-10-13 22:21:48,484 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:48,484 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099953363] [2019-10-13 22:21:48,484 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:48,484 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:48,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 22:21:49,238 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099953363] [2019-10-13 22:21:49,239 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:49,239 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:21:49,239 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723123880] [2019-10-13 22:21:49,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:21:49,245 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:49,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:21:49,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:21:49,262 INFO L87 Difference]: Start difference. First operand 1367 states. Second operand 3 states. [2019-10-13 22:21:50,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:50,027 INFO L93 Difference]: Finished difference Result 2557 states and 3599 transitions. [2019-10-13 22:21:50,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:21:50,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-10-13 22:21:50,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:50,060 INFO L225 Difference]: With dead ends: 2557 [2019-10-13 22:21:50,060 INFO L226 Difference]: Without dead ends: 1267 [2019-10-13 22:21:50,073 INFO L600 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 [2019-10-13 22:21:50,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2019-10-13 22:21:50,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1260. [2019-10-13 22:21:50,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1260 states. [2019-10-13 22:21:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1729 transitions. [2019-10-13 22:21:50,264 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1729 transitions. Word has length 44 [2019-10-13 22:21:50,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:50,265 INFO L462 AbstractCegarLoop]: Abstraction has 1260 states and 1729 transitions. [2019-10-13 22:21:50,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:21:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1729 transitions. [2019-10-13 22:21:50,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-13 22:21:50,269 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:50,269 INFO L380 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] [2019-10-13 22:21:50,270 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:50,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:50,270 INFO L82 PathProgramCache]: Analyzing trace with hash 158946108, now seen corresponding path program 1 times [2019-10-13 22:21:50,271 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:50,271 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241160852] [2019-10-13 22:21:50,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:50,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:50,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 22:21:50,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241160852] [2019-10-13 22:21:50,651 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:50,652 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:21:50,652 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507756031] [2019-10-13 22:21:50,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:21:50,654 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:50,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:21:50,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:21:50,654 INFO L87 Difference]: Start difference. First operand 1260 states and 1729 transitions. Second operand 3 states. [2019-10-13 22:21:50,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:50,719 INFO L93 Difference]: Finished difference Result 1288 states and 1755 transitions. [2019-10-13 22:21:50,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:21:50,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-13 22:21:50,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:50,731 INFO L225 Difference]: With dead ends: 1288 [2019-10-13 22:21:50,732 INFO L226 Difference]: Without dead ends: 1285 [2019-10-13 22:21:50,733 INFO L600 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 [2019-10-13 22:21:50,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2019-10-13 22:21:50,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1285. [2019-10-13 22:21:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1285 states. [2019-10-13 22:21:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1752 transitions. [2019-10-13 22:21:50,814 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1752 transitions. Word has length 75 [2019-10-13 22:21:50,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:50,816 INFO L462 AbstractCegarLoop]: Abstraction has 1285 states and 1752 transitions. [2019-10-13 22:21:50,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:21:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1752 transitions. [2019-10-13 22:21:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-13 22:21:50,840 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:50,841 INFO L380 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] [2019-10-13 22:21:50,841 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:50,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:50,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1302021089, now seen corresponding path program 1 times [2019-10-13 22:21:50,842 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:50,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850669360] [2019-10-13 22:21:50,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:50,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:50,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 22:21:51,188 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850669360] [2019-10-13 22:21:51,189 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:51,190 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:21:51,190 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212585882] [2019-10-13 22:21:51,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:21:51,192 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:51,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:21:51,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:21:51,193 INFO L87 Difference]: Start difference. First operand 1285 states and 1752 transitions. Second operand 3 states. [2019-10-13 22:21:53,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:53,825 INFO L93 Difference]: Finished difference Result 2630 states and 3578 transitions. [2019-10-13 22:21:53,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:21:53,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-10-13 22:21:53,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:53,844 INFO L225 Difference]: With dead ends: 2630 [2019-10-13 22:21:53,844 INFO L226 Difference]: Without dead ends: 1370 [2019-10-13 22:21:53,853 INFO L600 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 [2019-10-13 22:21:53,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2019-10-13 22:21:53,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1357. [2019-10-13 22:21:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1357 states. [2019-10-13 22:21:53,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1829 transitions. [2019-10-13 22:21:53,936 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1829 transitions. Word has length 178 [2019-10-13 22:21:53,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:53,937 INFO L462 AbstractCegarLoop]: Abstraction has 1357 states and 1829 transitions. [2019-10-13 22:21:53,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:21:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1829 transitions. [2019-10-13 22:21:53,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-13 22:21:53,945 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:53,945 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:21:53,946 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:53,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:53,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1806825648, now seen corresponding path program 1 times [2019-10-13 22:21:53,946 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:53,946 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111403239] [2019-10-13 22:21:53,947 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:53,947 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:53,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:54,094 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 22:21:54,094 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382864832] [2019-10-13 22:21:54,094 INFO L94 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 [2019-10-13 22:21:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:55,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 4258 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 22:21:55,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:21:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-13 22:21:55,813 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:21:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-13 22:21:56,038 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111403239] [2019-10-13 22:21:56,038 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 22:21:56,038 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382864832] [2019-10-13 22:21:56,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:21:56,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2019-10-13 22:21:56,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78233356] [2019-10-13 22:21:56,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 22:21:56,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:56,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 22:21:56,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:21:56,041 INFO L87 Difference]: Start difference. First operand 1357 states and 1829 transitions. Second operand 4 states. [2019-10-13 22:21:56,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:56,196 INFO L93 Difference]: Finished difference Result 2694 states and 3652 transitions. [2019-10-13 22:21:56,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 22:21:56,196 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2019-10-13 22:21:56,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:56,207 INFO L225 Difference]: With dead ends: 2694 [2019-10-13 22:21:56,208 INFO L226 Difference]: Without dead ends: 1360 [2019-10-13 22:21:56,215 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 384 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-10-13 22:21:56,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2019-10-13 22:21:56,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1360. [2019-10-13 22:21:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1360 states. [2019-10-13 22:21:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 1838 transitions. [2019-10-13 22:21:56,286 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 1838 transitions. Word has length 195 [2019-10-13 22:21:56,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:56,286 INFO L462 AbstractCegarLoop]: Abstraction has 1360 states and 1838 transitions. [2019-10-13 22:21:56,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 22:21:56,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1838 transitions. [2019-10-13 22:21:56,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-13 22:21:56,295 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:56,295 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:21:56,496 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:21:56,496 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:56,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:56,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1942948975, now seen corresponding path program 1 times [2019-10-13 22:21:56,498 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:56,499 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792771847] [2019-10-13 22:21:56,502 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:56,502 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:56,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:56,700 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 22:21:56,701 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240050886] [2019-10-13 22:21:56,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:21:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:58,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 4288 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 22:21:58,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:21:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 22:21:58,484 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:21:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 22:21:58,668 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792771847] [2019-10-13 22:21:58,668 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 22:21:58,668 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240050886] [2019-10-13 22:21:58,669 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [446356366] [2019-10-13 22:21:58,707 INFO L162 IcfgInterpreter]: Started Sifa with 174 locations of interest [2019-10-13 22:21:58,707 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:21:58,714 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:21:58,722 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:21:58,723 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs