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-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 06:20:26,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 06:20:26,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 06:20:26,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 06:20:26,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 06:20:26,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 06:20:26,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 06:20:26,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 06:20:26,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 06:20:26,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 06:20:26,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 06:20:26,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 06:20:26,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 06:20:26,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 06:20:26,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 06:20:26,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 06:20:26,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 06:20:26,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 06:20:26,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 06:20:26,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 06:20:26,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 06:20:26,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 06:20:26,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 06:20:26,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 06:20:26,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 06:20:26,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 06:20:26,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 06:20:26,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 06:20:26,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 06:20:26,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 06:20:26,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 06:20:26,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 06:20:26,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 06:20:26,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 06:20:26,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 06:20:26,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 06:20:26,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 06:20:26,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 06:20:26,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 06:20:26,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 06:20:26,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 06:20:26,858 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 06:20:26,893 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 06:20:26,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 06:20:26,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 06:20:26,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 06:20:26,901 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 06:20:26,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 06:20:26,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 06:20:26,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 06:20:26,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 06:20:26,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 06:20:26,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 06:20:26,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 06:20:26,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 06:20:26,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 06:20:26,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 06:20:26,903 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 06:20:26,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 06:20:26,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 06:20:26,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 06:20:26,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 06:20:26,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 06:20:26,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 06:20:26,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 06:20:26,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 06:20:26,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 06:20:26,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 06:20:26,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 06:20:26,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 06:20:26,905 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 06:20:27,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 06:20:27,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 06:20:27,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 06:20:27,223 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 06:20:27,224 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 06:20:27,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2019-10-07 06:20:27,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c772696a0/c1488969f32948a6a1f68619411b5117/FLAG0229f5958 [2019-10-07 06:20:28,142 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 06:20:28,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2019-10-07 06:20:28,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c772696a0/c1488969f32948a6a1f68619411b5117/FLAG0229f5958 [2019-10-07 06:20:28,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c772696a0/c1488969f32948a6a1f68619411b5117 [2019-10-07 06:20:28,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 06:20:28,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 06:20:28,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 06:20:28,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 06:20:28,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 06:20:28,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:20:28" (1/1) ... [2019-10-07 06:20:28,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89186f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:28, skipping insertion in model container [2019-10-07 06:20:28,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:20:28" (1/1) ... [2019-10-07 06:20:28,713 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 06:20:28,838 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 06:20:30,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:20:30,219 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 06:20:30,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:20:30,780 INFO L192 MainTranslator]: Completed translation [2019-10-07 06:20:30,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:30 WrapperNode [2019-10-07 06:20:30,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 06:20:30,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 06:20:30,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 06:20:30,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 06:20:30,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:30" (1/1) ... [2019-10-07 06:20:30,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:30" (1/1) ... [2019-10-07 06:20:30,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:30" (1/1) ... [2019-10-07 06:20:30,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:30" (1/1) ... [2019-10-07 06:20:31,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:30" (1/1) ... [2019-10-07 06:20:31,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:30" (1/1) ... [2019-10-07 06:20:31,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:30" (1/1) ... [2019-10-07 06:20:31,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 06:20:31,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 06:20:31,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 06:20:31,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 06:20:31,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:30" (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 06:20:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 06:20:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 06:20:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 06:20:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-07 06:20:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 06:20:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 06:20:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 06:20:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-07 06:20:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-07 06:20:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-07 06:20:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 06:20:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 06:20:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 06:20:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 06:20:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-07 06:20:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-07 06:20:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-07 06:20:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-07 06:20:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2019-10-07 06:20:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 06:20:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 06:20:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 06:20:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-07 06:20:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-07 06:20:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-07 06:20:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-07 06:20:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-07 06:20:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-07 06:20:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-07 06:20:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-07 06:20:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-07 06:20:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 06:20:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 06:20:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-07 06:20:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_report [2019-10-07 06:20:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_report [2019-10-07 06:20:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_callback [2019-10-07 06:20:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_write_callback [2019-10-07 06:20:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_delete [2019-10-07 06:20:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure read_index [2019-10-07 06:20:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_read [2019-10-07 06:20:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_write [2019-10-07 06:20:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_ioctl [2019-10-07 06:20:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_open [2019-10-07 06:20:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_release [2019-10-07 06:20:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_poll [2019-10-07 06:20:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_devnode [2019-10-07 06:20:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_probe [2019-10-07 06:20:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_disconnect [2019-10-07 06:20:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_init [2019-10-07 06:20:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_exit [2019-10-07 06:20:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2019-10-07 06:20:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2019-10-07 06:20:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 06:20:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-07 06:20:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-10-07 06:20:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-07 06:20:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-07 06:20:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-07 06:20:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-07 06:20:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 06:20:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 06:20:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 06:20:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 06:20:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 06:20:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-07 06:20:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 06:20:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 06:20:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 06:20:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 06:20:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 06:20:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 06:20:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 06:20:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 06:20:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-07 06:20:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-10-07 06:20:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-07 06:20:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 06:20:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-10-07 06:20:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-07 06:20:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 06:20:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 06:20:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-07 06:20:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 06:20:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-07 06:20:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-07 06:20:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-07 06:20:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-10-07 06:20:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2019-10-07 06:20:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-07 06:20:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-10-07 06:20:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-07 06:20:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2019-10-07 06:20:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-07 06:20:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-07 06:20:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-10-07 06:20:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 06:20:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 06:20:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 06:20:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 06:20:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 06:20:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-07 06:20:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 06:20:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-07 06:20:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-07 06:20:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-10-07 06:20:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 06:20:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 06:20:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 06:20:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 06:20:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-07 06:20:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-07 06:20:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 06:20:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 06:20:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 06:20:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 06:20:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-07 06:20:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-07 06:20:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-07 06:20:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 06:20:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 06:20:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 06:20:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 06:20:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 06:20:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 06:20:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 06:20:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-07 06:20:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-07 06:20:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-07 06:20:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-07 06:20:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 06:20:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 06:20:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 06:20:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 06:20:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 06:20:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 06:20:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2019-10-07 06:20:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2019-10-07 06:20:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-07 06:20:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-07 06:20:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-07 06:20:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-07 06:20:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2019-10-07 06:20:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 06:20:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 06:20:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 06:20:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 06:20:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 06:20:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 06:20:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 06:20:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 06:20:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 06:20:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 06:20:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-07 06:20:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-07 06:20:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-07 06:20:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-07 06:20:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-07 06:20:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-07 06:20:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-07 06:20:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-07 06:20:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2019-10-07 06:20:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-07 06:20:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-07 06:20:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-07 06:20:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-10-07 06:20:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-10-07 06:20:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-07 06:20:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 06:20:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-07 06:20:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-07 06:20:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-07 06:20:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-07 06:20:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-07 06:20:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-07 06:20:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-07 06:20:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2019-10-07 06:20:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-07 06:20:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 06:20:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 06:20:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 06:20:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-07 06:20:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 06:20:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_report [2019-10-07 06:20:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_report [2019-10-07 06:20:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_callback [2019-10-07 06:20:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 06:20:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_write_callback [2019-10-07 06:20:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_delete [2019-10-07 06:20:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure read_index [2019-10-07 06:20:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_read [2019-10-07 06:20:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 06:20:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_write [2019-10-07 06:20:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_ioctl [2019-10-07 06:20:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 06:20:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_open [2019-10-07 06:20:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_release [2019-10-07 06:20:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_poll [2019-10-07 06:20:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_devnode [2019-10-07 06:20:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_probe [2019-10-07 06:20:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_disconnect [2019-10-07 06:20:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_init [2019-10-07 06:20:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_exit [2019-10-07 06:20:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 06:20:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-07 06:20:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 06:20:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 06:20:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 06:20:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-07 06:20:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-10-07 06:20:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-10-07 06:20:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 06:20:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 06:20:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 06:20:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 06:20:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 06:20:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 06:20:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 06:20:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 06:20:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 06:20:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 06:20:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 06:20:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 06:20:32,474 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:20:32,490 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-10-07 06:20:32,490 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-10-07 06:20:32,540 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:20:32,769 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2019-10-07 06:20:32,770 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2019-10-07 06:20:32,872 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-10-07 06:20:34,498 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:20:34,583 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !false; [2019-10-07 06:20:34,583 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume false; [2019-10-07 06:20:34,671 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:20:34,939 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2019-10-07 06:20:34,939 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2019-10-07 06:20:35,142 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 06:20:35,208 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-10-07 06:20:35,208 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-10-07 06:20:37,583 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 06:20:37,583 INFO L284 CfgBuilder]: Removed 27 assume(true) statements. [2019-10-07 06:20:37,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:20:37 BoogieIcfgContainer [2019-10-07 06:20:37,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 06:20:37,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 06:20:37,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 06:20:37,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 06:20:37,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 06:20:28" (1/3) ... [2019-10-07 06:20:37,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c1b26f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:20:37, skipping insertion in model container [2019-10-07 06:20:37,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:20:30" (2/3) ... [2019-10-07 06:20:37,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c1b26f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:20:37, skipping insertion in model container [2019-10-07 06:20:37,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:20:37" (3/3) ... [2019-10-07 06:20:37,594 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2019-10-07 06:20:37,604 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 06:20:37,618 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 06:20:37,631 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 06:20:37,673 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 06:20:37,673 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 06:20:37,673 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 06:20:37,673 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 06:20:37,673 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 06:20:37,674 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 06:20:37,674 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 06:20:37,677 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 06:20:37,725 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states. [2019-10-07 06:20:37,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-07 06:20:37,731 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:37,732 INFO L385 BasicCegarLoop]: trace histogram [1, 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 06:20:37,734 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:37,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:37,740 INFO L82 PathProgramCache]: Analyzing trace with hash 186770747, now seen corresponding path program 1 times [2019-10-07 06:20:37,748 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:37,748 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:37,748 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:37,748 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:37,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:20:38,365 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:38,365 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:38,366 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:20:38,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:20:38,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:20:38,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:20:38,386 INFO L87 Difference]: Start difference. First operand 675 states. Second operand 3 states. [2019-10-07 06:20:38,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:38,636 INFO L93 Difference]: Finished difference Result 1772 states and 2436 transitions. [2019-10-07 06:20:38,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:20:38,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-07 06:20:38,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:38,677 INFO L225 Difference]: With dead ends: 1772 [2019-10-07 06:20:38,678 INFO L226 Difference]: Without dead ends: 1145 [2019-10-07 06:20:38,689 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 06:20:38,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2019-10-07 06:20:38,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1141. [2019-10-07 06:20:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1141 states. [2019-10-07 06:20:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1508 transitions. [2019-10-07 06:20:38,871 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1508 transitions. Word has length 25 [2019-10-07 06:20:38,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:38,872 INFO L462 AbstractCegarLoop]: Abstraction has 1141 states and 1508 transitions. [2019-10-07 06:20:38,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:20:38,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1508 transitions. [2019-10-07 06:20:38,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-07 06:20:38,873 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:38,874 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 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 06:20:38,874 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:38,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:38,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1494457653, now seen corresponding path program 1 times [2019-10-07 06:20:38,875 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:38,875 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:38,876 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:38,876 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:38,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:20:39,170 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:39,170 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:39,170 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:20:39,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:20:39,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:20:39,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:20:39,173 INFO L87 Difference]: Start difference. First operand 1141 states and 1508 transitions. Second operand 3 states. [2019-10-07 06:20:39,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:39,266 INFO L93 Difference]: Finished difference Result 1717 states and 2271 transitions. [2019-10-07 06:20:39,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:20:39,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-07 06:20:39,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:39,286 INFO L225 Difference]: With dead ends: 1717 [2019-10-07 06:20:39,286 INFO L226 Difference]: Without dead ends: 1705 [2019-10-07 06:20:39,288 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 06:20:39,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2019-10-07 06:20:39,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1700. [2019-10-07 06:20:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2019-10-07 06:20:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2251 transitions. [2019-10-07 06:20:39,430 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2251 transitions. Word has length 26 [2019-10-07 06:20:39,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:39,431 INFO L462 AbstractCegarLoop]: Abstraction has 1700 states and 2251 transitions. [2019-10-07 06:20:39,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:20:39,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2251 transitions. [2019-10-07 06:20:39,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 06:20:39,445 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:39,445 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:39,445 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:39,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:39,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1487356867, now seen corresponding path program 1 times [2019-10-07 06:20:39,446 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:39,446 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:39,446 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:39,447 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:39,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:20:39,679 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:39,679 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:39,679 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:20:39,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:20:39,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:20:39,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:20:39,681 INFO L87 Difference]: Start difference. First operand 1700 states and 2251 transitions. Second operand 3 states. [2019-10-07 06:20:39,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:39,825 INFO L93 Difference]: Finished difference Result 3476 states and 4652 transitions. [2019-10-07 06:20:39,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:20:39,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-10-07 06:20:39,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:39,843 INFO L225 Difference]: With dead ends: 3476 [2019-10-07 06:20:39,843 INFO L226 Difference]: Without dead ends: 1797 [2019-10-07 06:20:39,956 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 06:20:39,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2019-10-07 06:20:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1793. [2019-10-07 06:20:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1793 states. [2019-10-07 06:20:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 2401 transitions. [2019-10-07 06:20:40,039 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 2401 transitions. Word has length 55 [2019-10-07 06:20:40,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:40,040 INFO L462 AbstractCegarLoop]: Abstraction has 1793 states and 2401 transitions. [2019-10-07 06:20:40,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:20:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2401 transitions. [2019-10-07 06:20:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-07 06:20:40,045 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:40,046 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 06:20:40,046 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:40,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:40,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1569605503, now seen corresponding path program 1 times [2019-10-07 06:20:40,047 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:40,047 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:40,047 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:40,047 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:40,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:40,263 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 06:20:40,263 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:40,266 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:40,266 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:20:40,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:20:40,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:20:40,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:20:40,269 INFO L87 Difference]: Start difference. First operand 1793 states and 2401 transitions. Second operand 3 states. [2019-10-07 06:20:40,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:40,378 INFO L93 Difference]: Finished difference Result 3764 states and 5115 transitions. [2019-10-07 06:20:40,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:20:40,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-10-07 06:20:40,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:40,393 INFO L225 Difference]: With dead ends: 3764 [2019-10-07 06:20:40,393 INFO L226 Difference]: Without dead ends: 1990 [2019-10-07 06:20:40,401 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 06:20:40,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2019-10-07 06:20:40,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1986. [2019-10-07 06:20:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2019-10-07 06:20:40,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2711 transitions. [2019-10-07 06:20:40,516 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2711 transitions. Word has length 88 [2019-10-07 06:20:40,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:40,516 INFO L462 AbstractCegarLoop]: Abstraction has 1986 states and 2711 transitions. [2019-10-07 06:20:40,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:20:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2711 transitions. [2019-10-07 06:20:40,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-07 06:20:40,520 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:40,520 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 06:20:40,521 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:40,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:40,521 INFO L82 PathProgramCache]: Analyzing trace with hash 181883480, now seen corresponding path program 1 times [2019-10-07 06:20:40,522 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:40,522 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:40,522 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:40,522 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:40,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-07 06:20:40,724 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:40,724 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:40,724 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 06:20:40,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 06:20:40,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 06:20:40,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 06:20:40,726 INFO L87 Difference]: Start difference. First operand 1986 states and 2711 transitions. Second operand 5 states. [2019-10-07 06:20:41,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:41,407 INFO L93 Difference]: Finished difference Result 4002 states and 5462 transitions. [2019-10-07 06:20:41,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 06:20:41,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-10-07 06:20:41,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:41,422 INFO L225 Difference]: With dead ends: 4002 [2019-10-07 06:20:41,422 INFO L226 Difference]: Without dead ends: 2022 [2019-10-07 06:20:41,431 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 06:20:41,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2022 states. [2019-10-07 06:20:41,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2022 to 1995. [2019-10-07 06:20:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1995 states. [2019-10-07 06:20:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1995 states and 2717 transitions. [2019-10-07 06:20:41,614 INFO L78 Accepts]: Start accepts. Automaton has 1995 states and 2717 transitions. Word has length 89 [2019-10-07 06:20:41,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:41,615 INFO L462 AbstractCegarLoop]: Abstraction has 1995 states and 2717 transitions. [2019-10-07 06:20:41,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 06:20:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2717 transitions. [2019-10-07 06:20:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 06:20:41,618 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:41,618 INFO L385 BasicCegarLoop]: trace histogram [4, 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] [2019-10-07 06:20:41,618 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:41,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:41,619 INFO L82 PathProgramCache]: Analyzing trace with hash 2067221444, now seen corresponding path program 1 times [2019-10-07 06:20:41,619 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:41,619 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:41,619 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:41,620 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:41,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 06:20:42,531 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:42,531 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:42,532 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 06:20:42,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 06:20:42,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 06:20:42,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 06:20:42,534 INFO L87 Difference]: Start difference. First operand 1995 states and 2717 transitions. Second operand 9 states. [2019-10-07 06:20:48,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:48,552 INFO L93 Difference]: Finished difference Result 3394 states and 4634 transitions. [2019-10-07 06:20:48,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 06:20:48,553 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 121 [2019-10-07 06:20:48,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:48,569 INFO L225 Difference]: With dead ends: 3394 [2019-10-07 06:20:48,570 INFO L226 Difference]: Without dead ends: 1999 [2019-10-07 06:20:48,577 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-07 06:20:48,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2019-10-07 06:20:48,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1995. [2019-10-07 06:20:48,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1995 states. [2019-10-07 06:20:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1995 states and 2715 transitions. [2019-10-07 06:20:48,678 INFO L78 Accepts]: Start accepts. Automaton has 1995 states and 2715 transitions. Word has length 121 [2019-10-07 06:20:48,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:48,681 INFO L462 AbstractCegarLoop]: Abstraction has 1995 states and 2715 transitions. [2019-10-07 06:20:48,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 06:20:48,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2715 transitions. [2019-10-07 06:20:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-07 06:20:48,689 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:48,689 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 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] [2019-10-07 06:20:48,690 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:48,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:48,690 INFO L82 PathProgramCache]: Analyzing trace with hash 202455682, now seen corresponding path program 1 times [2019-10-07 06:20:48,690 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:48,691 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:48,691 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:48,691 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:48,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:48,990 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 06:20:48,990 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:48,990 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:20:48,990 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 06:20:48,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 06:20:48,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 06:20:48,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 06:20:48,993 INFO L87 Difference]: Start difference. First operand 1995 states and 2715 transitions. Second operand 6 states. [2019-10-07 06:20:49,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:20:49,772 INFO L93 Difference]: Finished difference Result 4029 states and 5485 transitions. [2019-10-07 06:20:49,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 06:20:49,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2019-10-07 06:20:49,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:20:49,787 INFO L225 Difference]: With dead ends: 4029 [2019-10-07 06:20:49,788 INFO L226 Difference]: Without dead ends: 2042 [2019-10-07 06:20:49,797 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-07 06:20:49,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2019-10-07 06:20:49,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 2001. [2019-10-07 06:20:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2001 states. [2019-10-07 06:20:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2724 transitions. [2019-10-07 06:20:49,881 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2724 transitions. Word has length 116 [2019-10-07 06:20:49,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:20:49,881 INFO L462 AbstractCegarLoop]: Abstraction has 2001 states and 2724 transitions. [2019-10-07 06:20:49,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 06:20:49,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2724 transitions. [2019-10-07 06:20:49,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-07 06:20:49,886 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:20:49,886 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 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] [2019-10-07 06:20:49,886 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:20:49,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:20:49,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1105399362, now seen corresponding path program 1 times [2019-10-07 06:20:49,891 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:20:49,891 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:49,891 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:49,891 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:20:49,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:20:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 06:20:50,077 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:20:50,077 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 06:20:50,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 06:20:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:20:50,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 2139 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 06:20:50,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 06:20:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 06:20:50,790 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 06:20:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 06:20:50,966 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 06:20:51,006 INFO L162 IcfgInterpreter]: Started Sifa with 103 locations of interest [2019-10-07 06:20:51,006 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 06:20:51,014 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 06:20:51,035 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 06:20:51,036 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 06:23:10,060 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#iowarrior_mutex~0.base| |#t~string80.base|) [2019-10-07 06:23:36,906 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#__key___8~0.base| |~#iowarrior_mutex~0.base|) [2019-10-07 06:24:49,951 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string163.base| |#t~string44.base|) [2019-10-07 06:25:18,766 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string337.base| |#t~string44.base|) [2019-10-07 06:25:48,529 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ~__param_debug~0.__annonCompField31.arg.base (select (select |#memory_$Pointer$.base| |~#iowarrior_class~0.base|) |~#iowarrior_class~0.offset|)) [2019-10-07 06:27:10,153 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string238.base| |~#iowarrior_open_disc_lock~0.base|) [2019-10-07 06:28:59,869 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string81.base| (select (select |#memory_$Pointer$.base| |~#iowarrior_driver~0.base|) (+ |~#iowarrior_driver~0.offset| 36))) [2019-10-07 06:29:26,643 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |#memory_$Pointer$.base| |~#iowarrior_driver~0.base|) (+ |~#iowarrior_driver~0.offset| 36)) |~#__key___9~0.base|) [2019-10-07 06:29:39,660 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string80.base| |#t~string86.base|) [2019-10-07 06:34:23,717 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string129.base| (select (select |#memory_$Pointer$.base| |~#iowarrior_class~0.base|) (+ |~#iowarrior_class~0.offset| 8))) [2019-10-07 06:34:42,290 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string130.base| |#t~string157.base|)