/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 03:40:09,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 03:40:09,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 03:40:09,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 03:40:09,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 03:40:09,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 03:40:09,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 03:40:09,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 03:40:09,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 03:40:09,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 03:40:09,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 03:40:09,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 03:40:09,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 03:40:09,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 03:40:09,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 03:40:09,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 03:40:09,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 03:40:09,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 03:40:09,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 03:40:09,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 03:40:09,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 03:40:09,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 03:40:09,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 03:40:09,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 03:40:09,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 03:40:09,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 03:40:09,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 03:40:09,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 03:40:09,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 03:40:09,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 03:40:09,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 03:40:09,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 03:40:09,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 03:40:09,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 03:40:09,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 03:40:09,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 03:40:09,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 03:40:09,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 03:40:09,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 03:40:09,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 03:40:09,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 03:40:09,716 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 03:40:09,734 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 03:40:09,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 03:40:09,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 03:40:09,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 03:40:09,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 03:40:09,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 03:40:09,736 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 03:40:09,736 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 03:40:09,736 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 03:40:09,737 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 03:40:09,737 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 03:40:09,737 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 03:40:09,737 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 03:40:09,737 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 03:40:09,737 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 03:40:09,738 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 03:40:09,738 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 03:40:09,738 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 03:40:09,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 03:40:09,739 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 03:40:09,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 03:40:09,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 03:40:09,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 03:40:09,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 03:40:09,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 03:40:09,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 03:40:09,740 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 03:40:09,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 03:40:09,740 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 03:40:09,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 03:40:09,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 03:40:09,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 03:40:09,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 03:40:09,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 03:40:09,741 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 03:40:09,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 03:40:09,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 03:40:09,742 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 03:40:09,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 03:40:09,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 03:40:09,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 03:40:09,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 03:40:09,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 03:40:09,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 03:40:10,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 03:40:10,003 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 03:40:10,004 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 03:40:10,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-04-03 03:40:11,182 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 03:40:11,668 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 03:40:11,668 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-04-03 03:40:11,705 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b94feb9/c23c4256b6a5404a92ddaa70f027590c/FLAGb0461a4ef [2023-04-03 03:40:11,721 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b94feb9/c23c4256b6a5404a92ddaa70f027590c [2023-04-03 03:40:11,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 03:40:11,726 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 03:40:11,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 03:40:11,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 03:40:11,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 03:40:11,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 03:40:11" (1/1) ... [2023-04-03 03:40:11,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e19fa60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:11, skipping insertion in model container [2023-04-03 03:40:11,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 03:40:11" (1/1) ... [2023-04-03 03:40:11,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 03:40:11,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 03:40:12,968 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2023-04-03 03:40:13,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 03:40:13,055 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 03:40:13,316 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2023-04-03 03:40:13,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 03:40:13,472 INFO L208 MainTranslator]: Completed translation [2023-04-03 03:40:13,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:13 WrapperNode [2023-04-03 03:40:13,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 03:40:13,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 03:40:13,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 03:40:13,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 03:40:13,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:13" (1/1) ... [2023-04-03 03:40:13,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:13" (1/1) ... [2023-04-03 03:40:13,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:13" (1/1) ... [2023-04-03 03:40:13,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:13" (1/1) ... [2023-04-03 03:40:13,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:13" (1/1) ... [2023-04-03 03:40:13,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:13" (1/1) ... [2023-04-03 03:40:13,672 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:13" (1/1) ... [2023-04-03 03:40:13,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:13" (1/1) ... [2023-04-03 03:40:13,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 03:40:13,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 03:40:13,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 03:40:13,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 03:40:13,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:13" (1/1) ... [2023-04-03 03:40:13,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 03:40:13,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 03:40:13,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 03:40:13,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 03:40:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 03:40:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 03:40:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 03:40:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 03:40:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 03:40:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 03:40:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 03:40:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-03 03:40:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-03 03:40:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-03 03:40:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-04-03 03:40:13,794 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 03:40:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 03:40:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 03:40:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 03:40:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 03:40:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 03:40:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 03:40:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 03:40:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 03:40:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 03:40:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 03:40:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 03:40:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-03 03:40:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-03 03:40:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-04-03 03:40:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-03 03:40:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-03 03:40:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-03 03:40:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2023-04-03 03:40:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2023-04-03 03:40:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-03 03:40:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-03 03:40:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-03 03:40:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2023-04-03 03:40:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_interrupt_callback [2023-04-03 03:40:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_rx_can_msg [2023-04-03 03:40:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_rx_err [2023-04-03 03:40:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_bulk_callback [2023-04-03 03:40:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_bulk_callback [2023-04-03 03:40:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2023-04-03 03:40:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2023-04-03 03:40:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2023-04-03 03:40:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start [2023-04-03 03:40:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2023-04-03 03:40:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_open [2023-04-03 03:40:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start_xmit [2023-04-03 03:40:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_close [2023-04-03 03:40:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_set_mode [2023-04-03 03:40:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_set_bittiming [2023-04-03 03:40:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure init_params_sja1000 [2023-04-03 03:40:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_probe [2023-04-03 03:40:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_disconnect [2023-04-03 03:40:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2023-04-03 03:40:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2023-04-03 03:40:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2023-04-03 03:40:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2023-04-03 03:40:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 03:40:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-04-03 03:40:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-04-03 03:40:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-04-03 03:40:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-04-03 03:40:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-03 03:40:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2023-04-03 03:40:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2023-04-03 03:40:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2023-04-03 03:40:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2023-04-03 03:40:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2023-04-03 03:40:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-03 03:40:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 03:40:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 03:40:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 03:40:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 03:40:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2023-04-03 03:40:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-04-03 03:40:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-03 03:40:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 03:40:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-04-03 03:40:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-04-03 03:40:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 03:40:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 03:40:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2023-04-03 03:40:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 03:40:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2023-04-03 03:40:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 03:40:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-04-03 03:40:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-04-03 03:40:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-03 03:40:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2023-04-03 03:40:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-03 03:40:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-03 03:40:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-04-03 03:40:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-04-03 03:40:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 03:40:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 03:40:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 03:40:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 03:40:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 03:40:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 03:40:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 03:40:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 03:40:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 03:40:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 03:40:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 03:40:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 03:40:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 03:40:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 03:40:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 03:40:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 03:40:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 03:40:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 03:40:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-03 03:40:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-03 03:40:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 03:40:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-03 03:40:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-04-03 03:40:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 03:40:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 03:40:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 03:40:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-03 03:40:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-03 03:40:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_interrupt_callback [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_rx_can_msg [2023-04-03 03:40:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_rx_err [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_bulk_callback [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_bulk_callback [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2023-04-03 03:40:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_open [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start_xmit [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_close [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_set_mode [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_set_bittiming [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure init_params_sja1000 [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_probe [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_disconnect [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 03:40:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 03:40:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 03:40:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 03:40:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 03:40:14,355 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 03:40:14,371 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 03:40:14,949 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-03 03:40:15,033 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2023-04-03 03:40:15,033 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2023-04-03 03:40:15,368 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-04-03 03:40:15,719 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-03 03:40:15,755 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2023-04-03 03:40:15,758 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2023-04-03 03:40:16,054 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-03 03:40:16,071 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2023-04-03 03:40:16,071 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2023-04-03 03:40:16,073 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-03 03:40:16,094 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume !false; [2023-04-03 03:40:16,094 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume false; [2023-04-03 03:40:16,160 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-03 03:40:16,280 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume !false; [2023-04-03 03:40:16,280 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume false; [2023-04-03 03:40:16,438 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 03:40:17,076 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 03:40:17,076 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-04-03 03:40:17,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 03:40:17 BoogieIcfgContainer [2023-04-03 03:40:17,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 03:40:17,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 03:40:17,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 03:40:17,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 03:40:17,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 03:40:11" (1/3) ... [2023-04-03 03:40:17,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e48c798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 03:40:17, skipping insertion in model container [2023-04-03 03:40:17,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:40:13" (2/3) ... [2023-04-03 03:40:17,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e48c798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 03:40:17, skipping insertion in model container [2023-04-03 03:40:17,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 03:40:17" (3/3) ... [2023-04-03 03:40:17,087 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-04-03 03:40:17,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 03:40:17,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 03:40:17,173 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 03:40:17,181 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5dbd52dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 03:40:17,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 03:40:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 735 states, 428 states have (on average 1.3014018691588785) internal successors, (557), 453 states have internal predecessors, (557), 200 states have call successors, (200), 99 states have call predecessors, (200), 98 states have return successors, (198), 193 states have call predecessors, (198), 198 states have call successors, (198) [2023-04-03 03:40:17,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-04-03 03:40:17,194 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:40:17,194 INFO L195 NwaCegarLoop]: 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] [2023-04-03 03:40:17,195 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:40:17,199 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:40:17,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1313671022, now seen corresponding path program 1 times [2023-04-03 03:40:17,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:40:17,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77469009] [2023-04-03 03:40:17,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:40:17,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:40:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:40:17,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 03:40:17,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:40:17,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77469009] [2023-04-03 03:40:17,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77469009] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:40:17,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:40:17,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 03:40:17,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123144482] [2023-04-03 03:40:17,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:40:17,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 03:40:17,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:40:17,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 03:40:17,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 03:40:17,828 INFO L87 Difference]: Start difference. First operand has 735 states, 428 states have (on average 1.3014018691588785) internal successors, (557), 453 states have internal predecessors, (557), 200 states have call successors, (200), 99 states have call predecessors, (200), 98 states have return successors, (198), 193 states have call predecessors, (198), 198 states have call successors, (198) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-04-03 03:40:21,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:40:21,679 INFO L93 Difference]: Finished difference Result 1085 states and 1422 transitions. [2023-04-03 03:40:21,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 03:40:21,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 31 [2023-04-03 03:40:21,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:40:21,700 INFO L225 Difference]: With dead ends: 1085 [2023-04-03 03:40:21,700 INFO L226 Difference]: Without dead ends: 548 [2023-04-03 03:40:21,708 INFO L412 NwaCegarLoop]: 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 [2023-04-03 03:40:21,711 INFO L413 NwaCegarLoop]: 610 mSDtfsCounter, 39 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 2390 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-04-03 03:40:21,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 2390 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-04-03 03:40:21,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2023-04-03 03:40:21,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 547. [2023-04-03 03:40:21,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 313 states have (on average 1.2172523961661341) internal successors, (381), 323 states have internal predecessors, (381), 154 states have call successors, (154), 81 states have call predecessors, (154), 79 states have return successors, (149), 147 states have call predecessors, (149), 148 states have call successors, (149) [2023-04-03 03:40:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 684 transitions. [2023-04-03 03:40:21,818 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 684 transitions. Word has length 31 [2023-04-03 03:40:21,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:40:21,819 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 684 transitions. [2023-04-03 03:40:21,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-04-03 03:40:21,819 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 684 transitions. [2023-04-03 03:40:21,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-04-03 03:40:21,820 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:40:21,820 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 03:40:21,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 03:40:21,821 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:40:21,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:40:21,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1596059870, now seen corresponding path program 1 times [2023-04-03 03:40:21,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:40:21,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679717401] [2023-04-03 03:40:21,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:40:21,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:40:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:40:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 03:40:22,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:40:22,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679717401] [2023-04-03 03:40:22,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679717401] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:40:22,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:40:22,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:40:22,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139039397] [2023-04-03 03:40:22,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:40:22,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:40:22,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:40:22,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:40:22,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:40:22,073 INFO L87 Difference]: Start difference. First operand 547 states and 684 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 03:40:24,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:40:24,470 INFO L93 Difference]: Finished difference Result 1399 states and 1747 transitions. [2023-04-03 03:40:24,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:40:24,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 35 [2023-04-03 03:40:24,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:40:24,544 INFO L225 Difference]: With dead ends: 1399 [2023-04-03 03:40:24,544 INFO L226 Difference]: Without dead ends: 883 [2023-04-03 03:40:24,546 INFO L412 NwaCegarLoop]: 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 [2023-04-03 03:40:24,548 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 425 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-04-03 03:40:24,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1186 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-04-03 03:40:24,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2023-04-03 03:40:24,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 879. [2023-04-03 03:40:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 503 states have (on average 1.2186878727634194) internal successors, (613), 518 states have internal predecessors, (613), 240 states have call successors, (240), 139 states have call predecessors, (240), 135 states have return successors, (238), 228 states have call predecessors, (238), 233 states have call successors, (238) [2023-04-03 03:40:24,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1091 transitions. [2023-04-03 03:40:24,591 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1091 transitions. Word has length 35 [2023-04-03 03:40:24,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:40:24,592 INFO L495 AbstractCegarLoop]: Abstraction has 879 states and 1091 transitions. [2023-04-03 03:40:24,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 03:40:24,592 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1091 transitions. [2023-04-03 03:40:24,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-04-03 03:40:24,593 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:40:24,594 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 03:40:24,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 03:40:24,594 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:40:24,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:40:24,594 INFO L85 PathProgramCache]: Analyzing trace with hash 2061189824, now seen corresponding path program 1 times [2023-04-03 03:40:24,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:40:24,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833475177] [2023-04-03 03:40:24,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:40:24,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:40:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:40:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 03:40:24,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:40:24,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833475177] [2023-04-03 03:40:24,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833475177] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:40:24,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:40:24,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:40:24,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878974845] [2023-04-03 03:40:24,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:40:24,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:40:24,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:40:24,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:40:24,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:40:24,806 INFO L87 Difference]: Start difference. First operand 879 states and 1091 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 03:40:27,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:40:27,009 INFO L93 Difference]: Finished difference Result 1295 states and 1608 transitions. [2023-04-03 03:40:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:40:27,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 36 [2023-04-03 03:40:27,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:40:27,019 INFO L225 Difference]: With dead ends: 1295 [2023-04-03 03:40:27,019 INFO L226 Difference]: Without dead ends: 1283 [2023-04-03 03:40:27,023 INFO L412 NwaCegarLoop]: 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 [2023-04-03 03:40:27,027 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 525 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 03:40:27,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 1185 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 03:40:27,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2023-04-03 03:40:27,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1274. [2023-04-03 03:40:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1274 states, 731 states have (on average 1.2120383036935705) internal successors, (886), 749 states have internal predecessors, (886), 347 states have call successors, (347), 201 states have call predecessors, (347), 195 states have return successors, (350), 331 states have call predecessors, (350), 340 states have call successors, (350) [2023-04-03 03:40:27,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1583 transitions. [2023-04-03 03:40:27,107 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1583 transitions. Word has length 36 [2023-04-03 03:40:27,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:40:27,107 INFO L495 AbstractCegarLoop]: Abstraction has 1274 states and 1583 transitions. [2023-04-03 03:40:27,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 03:40:27,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1583 transitions. [2023-04-03 03:40:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-04-03 03:40:27,112 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:40:27,112 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 03:40:27,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 03:40:27,112 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:40:27,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:40:27,117 INFO L85 PathProgramCache]: Analyzing trace with hash -194741350, now seen corresponding path program 1 times [2023-04-03 03:40:27,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:40:27,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577019059] [2023-04-03 03:40:27,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:40:27,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:40:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:40:27,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 03:40:27,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:40:27,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577019059] [2023-04-03 03:40:27,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577019059] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:40:27,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:40:27,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 03:40:27,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120320160] [2023-04-03 03:40:27,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:40:27,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 03:40:27,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:40:27,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 03:40:27,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-03 03:40:27,857 INFO L87 Difference]: Start difference. First operand 1274 states and 1583 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 03:40:31,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:40:31,058 INFO L93 Difference]: Finished difference Result 2633 states and 3303 transitions. [2023-04-03 03:40:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 03:40:31,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 85 [2023-04-03 03:40:31,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:40:31,067 INFO L225 Difference]: With dead ends: 2633 [2023-04-03 03:40:31,067 INFO L226 Difference]: Without dead ends: 1702 [2023-04-03 03:40:31,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:40:31,071 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 1216 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 1916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 876 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-04-03 03:40:31,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1310 Valid, 1115 Invalid, 1916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [876 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-04-03 03:40:31,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2023-04-03 03:40:31,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1675. [2023-04-03 03:40:31,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 967 states have (on average 1.2140641158221304) internal successors, (1174), 993 states have internal predecessors, (1174), 452 states have call successors, (452), 256 states have call predecessors, (452), 255 states have return successors, (468), 434 states have call predecessors, (468), 445 states have call successors, (468) [2023-04-03 03:40:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2094 transitions. [2023-04-03 03:40:31,145 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2094 transitions. Word has length 85 [2023-04-03 03:40:31,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:40:31,145 INFO L495 AbstractCegarLoop]: Abstraction has 1675 states and 2094 transitions. [2023-04-03 03:40:31,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-03 03:40:31,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2094 transitions. [2023-04-03 03:40:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-04-03 03:40:31,148 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:40:31,149 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 03:40:31,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 03:40:31,149 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:40:31,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:40:31,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1139840715, now seen corresponding path program 1 times [2023-04-03 03:40:31,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:40:31,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284400374] [2023-04-03 03:40:31,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:40:31,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:40:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:40:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-03 03:40:31,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:40:31,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284400374] [2023-04-03 03:40:31,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284400374] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:40:31,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:40:31,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 03:40:31,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659227339] [2023-04-03 03:40:31,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:40:31,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 03:40:31,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:40:31,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 03:40:31,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:40:31,942 INFO L87 Difference]: Start difference. First operand 1675 states and 2094 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 5 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-03 03:40:41,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:40:41,972 INFO L93 Difference]: Finished difference Result 2313 states and 2922 transitions. [2023-04-03 03:40:41,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 03:40:41,972 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 5 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) Word has length 86 [2023-04-03 03:40:41,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:40:41,983 INFO L225 Difference]: With dead ends: 2313 [2023-04-03 03:40:41,984 INFO L226 Difference]: Without dead ends: 2308 [2023-04-03 03:40:41,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-04-03 03:40:41,986 INFO L413 NwaCegarLoop]: 817 mSDtfsCounter, 2594 mSDsluCounter, 1466 mSDsCounter, 0 mSdLazyCounter, 2489 mSolverCounterSat, 1470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 2283 SdHoareTripleChecker+Invalid, 3959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1470 IncrementalHoareTripleChecker+Valid, 2489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-04-03 03:40:41,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2742 Valid, 2283 Invalid, 3959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1470 Valid, 2489 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-04-03 03:40:41,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2308 states. [2023-04-03 03:40:42,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2308 to 2215. [2023-04-03 03:40:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2215 states, 1280 states have (on average 1.2140625) internal successors, (1554), 1315 states have internal predecessors, (1554), 600 states have call successors, (600), 330 states have call predecessors, (600), 334 states have return successors, (637), 581 states have call predecessors, (637), 593 states have call successors, (637) [2023-04-03 03:40:42,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 2215 states and 2791 transitions. [2023-04-03 03:40:42,090 INFO L78 Accepts]: Start accepts. Automaton has 2215 states and 2791 transitions. Word has length 86 [2023-04-03 03:40:42,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:40:42,090 INFO L495 AbstractCegarLoop]: Abstraction has 2215 states and 2791 transitions. [2023-04-03 03:40:42,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 5 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-03 03:40:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2791 transitions. [2023-04-03 03:40:42,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-04-03 03:40:42,092 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:40:42,093 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 03:40:42,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 03:40:42,093 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:40:42,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:40:42,093 INFO L85 PathProgramCache]: Analyzing trace with hash 2146443141, now seen corresponding path program 1 times [2023-04-03 03:40:42,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:40:42,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828048595] [2023-04-03 03:40:42,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:40:42,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:40:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:40:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 03:40:42,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:40:42,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828048595] [2023-04-03 03:40:42,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828048595] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:40:42,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:40:42,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:40:42,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807148595] [2023-04-03 03:40:42,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:40:42,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:40:42,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:40:42,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:40:42,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:40:42,244 INFO L87 Difference]: Start difference. First operand 2215 states and 2791 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-03 03:40:45,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:40:45,117 INFO L93 Difference]: Finished difference Result 4527 states and 5785 transitions. [2023-04-03 03:40:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:40:45,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 95 [2023-04-03 03:40:45,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:40:45,130 INFO L225 Difference]: With dead ends: 4527 [2023-04-03 03:40:45,130 INFO L226 Difference]: Without dead ends: 2337 [2023-04-03 03:40:45,138 INFO L412 NwaCegarLoop]: 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 [2023-04-03 03:40:45,139 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 24 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-04-03 03:40:45,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1186 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-04-03 03:40:45,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2337 states. [2023-04-03 03:40:45,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2337 to 2332. [2023-04-03 03:40:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2332 states, 1372 states have (on average 1.2354227405247813) internal successors, (1695), 1407 states have internal predecessors, (1695), 625 states have call successors, (625), 330 states have call predecessors, (625), 334 states have return successors, (680), 606 states have call predecessors, (680), 618 states have call successors, (680) [2023-04-03 03:40:45,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 2332 states and 3000 transitions. [2023-04-03 03:40:45,273 INFO L78 Accepts]: Start accepts. Automaton has 2332 states and 3000 transitions. Word has length 95 [2023-04-03 03:40:45,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:40:45,273 INFO L495 AbstractCegarLoop]: Abstraction has 2332 states and 3000 transitions. [2023-04-03 03:40:45,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-04-03 03:40:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 3000 transitions. [2023-04-03 03:40:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-04-03 03:40:45,276 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:40:45,276 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 03:40:45,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 03:40:45,277 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:40:45,277 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:40:45,277 INFO L85 PathProgramCache]: Analyzing trace with hash -398558236, now seen corresponding path program 1 times [2023-04-03 03:40:45,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:40:45,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994343828] [2023-04-03 03:40:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:40:45,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:40:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:40:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-03 03:40:45,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:40:45,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994343828] [2023-04-03 03:40:45,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994343828] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:40:45,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:40:45,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:40:45,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570650198] [2023-04-03 03:40:45,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:40:45,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:40:45,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:40:45,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:40:45,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:40:45,480 INFO L87 Difference]: Start difference. First operand 2332 states and 3000 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-03 03:40:47,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:40:47,643 INFO L93 Difference]: Finished difference Result 3587 states and 4693 transitions. [2023-04-03 03:40:47,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:40:47,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2023-04-03 03:40:47,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:40:47,657 INFO L225 Difference]: With dead ends: 3587 [2023-04-03 03:40:47,658 INFO L226 Difference]: Without dead ends: 2428 [2023-04-03 03:40:47,663 INFO L412 NwaCegarLoop]: 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 [2023-04-03 03:40:47,664 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 30 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1195 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 03:40:47,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1195 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 03:40:47,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2428 states. [2023-04-03 03:40:47,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2428 to 2336. [2023-04-03 03:40:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2336 states, 1376 states have (on average 1.2347383720930232) internal successors, (1699), 1411 states have internal predecessors, (1699), 625 states have call successors, (625), 330 states have call predecessors, (625), 334 states have return successors, (680), 606 states have call predecessors, (680), 618 states have call successors, (680) [2023-04-03 03:40:47,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 3004 transitions. [2023-04-03 03:40:47,783 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 3004 transitions. Word has length 91 [2023-04-03 03:40:47,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:40:47,783 INFO L495 AbstractCegarLoop]: Abstraction has 2336 states and 3004 transitions. [2023-04-03 03:40:47,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-03 03:40:47,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3004 transitions. [2023-04-03 03:40:47,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-04-03 03:40:47,786 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:40:47,786 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 03:40:47,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 03:40:47,786 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:40:47,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:40:47,786 INFO L85 PathProgramCache]: Analyzing trace with hash -790287224, now seen corresponding path program 1 times [2023-04-03 03:40:47,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:40:47,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953967671] [2023-04-03 03:40:47,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:40:47,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:40:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:40:48,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-03 03:40:48,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:40:48,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953967671] [2023-04-03 03:40:48,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953967671] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:40:48,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:40:48,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 03:40:48,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411222550] [2023-04-03 03:40:48,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:40:48,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 03:40:48,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:40:48,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 03:40:48,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:40:48,555 INFO L87 Difference]: Start difference. First operand 2336 states and 3004 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-03 03:40:57,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:40:57,620 INFO L93 Difference]: Finished difference Result 3736 states and 4908 transitions. [2023-04-03 03:40:57,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 03:40:57,621 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) Word has length 92 [2023-04-03 03:40:57,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:40:57,639 INFO L225 Difference]: With dead ends: 3736 [2023-04-03 03:40:57,639 INFO L226 Difference]: Without dead ends: 3733 [2023-04-03 03:40:57,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-04-03 03:40:57,641 INFO L413 NwaCegarLoop]: 766 mSDtfsCounter, 2812 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 2728 mSolverCounterSat, 1540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2970 SdHoareTripleChecker+Valid, 2042 SdHoareTripleChecker+Invalid, 4268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1540 IncrementalHoareTripleChecker+Valid, 2728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-03 03:40:57,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2970 Valid, 2042 Invalid, 4268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1540 Valid, 2728 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-04-03 03:40:57,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3733 states. [2023-04-03 03:40:57,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3733 to 3569. [2023-04-03 03:40:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3569 states, 2113 states have (on average 1.2389966871746332) internal successors, (2618), 2166 states have internal predecessors, (2618), 964 states have call successors, (964), 472 states have call predecessors, (964), 491 states have return successors, (1094), 948 states have call predecessors, (1094), 957 states have call successors, (1094) [2023-04-03 03:40:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3569 states to 3569 states and 4676 transitions. [2023-04-03 03:40:57,838 INFO L78 Accepts]: Start accepts. Automaton has 3569 states and 4676 transitions. Word has length 92 [2023-04-03 03:40:57,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:40:57,839 INFO L495 AbstractCegarLoop]: Abstraction has 3569 states and 4676 transitions. [2023-04-03 03:40:57,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-03 03:40:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 3569 states and 4676 transitions. [2023-04-03 03:40:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-03 03:40:57,844 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:40:57,844 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:40:57,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 03:40:57,844 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:40:57,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:40:57,845 INFO L85 PathProgramCache]: Analyzing trace with hash -98086118, now seen corresponding path program 1 times [2023-04-03 03:40:57,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:40:57,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119991668] [2023-04-03 03:40:57,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:40:57,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:40:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:40:58,092 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-03 03:40:58,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:40:58,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119991668] [2023-04-03 03:40:58,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119991668] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 03:40:58,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81515446] [2023-04-03 03:40:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:40:58,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 03:40:58,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 03:40:58,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 03:40:58,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 03:40:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:40:58,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 1672 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-03 03:40:58,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 03:40:58,715 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-03 03:40:58,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 03:40:58,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81515446] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:40:58,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 03:40:58,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2023-04-03 03:40:58,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956665961] [2023-04-03 03:40:58,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:40:58,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 03:40:58,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:40:58,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 03:40:58,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 03:40:58,718 INFO L87 Difference]: Start difference. First operand 3569 states and 4676 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 03:41:02,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:02,422 INFO L93 Difference]: Finished difference Result 7026 states and 9185 transitions. [2023-04-03 03:41:02,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 03:41:02,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) Word has length 136 [2023-04-03 03:41:02,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:02,442 INFO L225 Difference]: With dead ends: 7026 [2023-04-03 03:41:02,442 INFO L226 Difference]: Without dead ends: 3462 [2023-04-03 03:41:02,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 03:41:02,455 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 14 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:02,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2427 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-04-03 03:41:02,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3462 states. [2023-04-03 03:41:02,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3462 to 3426. [2023-04-03 03:41:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3426 states, 2022 states have (on average 1.2359050445103859) internal successors, (2499), 2075 states have internal predecessors, (2499), 930 states have call successors, (930), 454 states have call predecessors, (930), 473 states have return successors, (1045), 914 states have call predecessors, (1045), 923 states have call successors, (1045) [2023-04-03 03:41:02,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 3426 states and 4474 transitions. [2023-04-03 03:41:02,693 INFO L78 Accepts]: Start accepts. Automaton has 3426 states and 4474 transitions. Word has length 136 [2023-04-03 03:41:02,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:02,694 INFO L495 AbstractCegarLoop]: Abstraction has 3426 states and 4474 transitions. [2023-04-03 03:41:02,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-03 03:41:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3426 states and 4474 transitions. [2023-04-03 03:41:02,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-04-03 03:41:02,699 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:02,699 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:02,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 03:41:02,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 03:41:02,910 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:02,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:02,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1157565886, now seen corresponding path program 1 times [2023-04-03 03:41:02,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:02,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544898003] [2023-04-03 03:41:02,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:02,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-03 03:41:03,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:41:03,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544898003] [2023-04-03 03:41:03,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544898003] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:41:03,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:41:03,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:41:03,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287567558] [2023-04-03 03:41:03,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:41:03,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:41:03,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:41:03,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:41:03,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:41:03,193 INFO L87 Difference]: Start difference. First operand 3426 states and 4474 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 03:41:05,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:05,213 INFO L93 Difference]: Finished difference Result 6241 states and 8264 transitions. [2023-04-03 03:41:05,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:41:05,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 106 [2023-04-03 03:41:05,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:05,231 INFO L225 Difference]: With dead ends: 6241 [2023-04-03 03:41:05,231 INFO L226 Difference]: Without dead ends: 3391 [2023-04-03 03:41:05,244 INFO L412 NwaCegarLoop]: 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 [2023-04-03 03:41:05,245 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 5 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:05,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1192 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-04-03 03:41:05,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2023-04-03 03:41:05,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3391. [2023-04-03 03:41:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3391 states, 1998 states have (on average 1.2352352352352352) internal successors, (2468), 2058 states have internal predecessors, (2468), 924 states have call successors, (924), 454 states have call predecessors, (924), 468 states have return successors, (1012), 896 states have call predecessors, (1012), 917 states have call successors, (1012) [2023-04-03 03:41:05,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 4404 transitions. [2023-04-03 03:41:05,518 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 4404 transitions. Word has length 106 [2023-04-03 03:41:05,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:05,519 INFO L495 AbstractCegarLoop]: Abstraction has 3391 states and 4404 transitions. [2023-04-03 03:41:05,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 03:41:05,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 4404 transitions. [2023-04-03 03:41:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-04-03 03:41:05,521 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:05,522 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:05,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 03:41:05,522 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:05,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:05,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1028321635, now seen corresponding path program 1 times [2023-04-03 03:41:05,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:05,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600821721] [2023-04-03 03:41:05,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:05,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-03 03:41:06,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:41:06,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600821721] [2023-04-03 03:41:06,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600821721] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:41:06,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:41:06,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 03:41:06,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046533465] [2023-04-03 03:41:06,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:41:06,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 03:41:06,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:41:06,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 03:41:06,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:41:06,317 INFO L87 Difference]: Start difference. First operand 3391 states and 4404 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2023-04-03 03:41:12,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:12,585 INFO L93 Difference]: Finished difference Result 7702 states and 10285 transitions. [2023-04-03 03:41:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 03:41:12,585 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 108 [2023-04-03 03:41:12,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:12,617 INFO L225 Difference]: With dead ends: 7702 [2023-04-03 03:41:12,618 INFO L226 Difference]: Without dead ends: 6014 [2023-04-03 03:41:12,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-04-03 03:41:12,627 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 1740 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 1211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 3414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1211 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:12,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 1396 Invalid, 3414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1211 Valid, 2203 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-04-03 03:41:12,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6014 states. [2023-04-03 03:41:12,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6014 to 5698. [2023-04-03 03:41:12,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5698 states, 3370 states have (on average 1.2525222551928783) internal successors, (4221), 3479 states have internal predecessors, (4221), 1522 states have call successors, (1522), 781 states have call predecessors, (1522), 805 states have return successors, (1808), 1467 states have call predecessors, (1808), 1513 states have call successors, (1808) [2023-04-03 03:41:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5698 states to 5698 states and 7551 transitions. [2023-04-03 03:41:12,968 INFO L78 Accepts]: Start accepts. Automaton has 5698 states and 7551 transitions. Word has length 108 [2023-04-03 03:41:12,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:12,968 INFO L495 AbstractCegarLoop]: Abstraction has 5698 states and 7551 transitions. [2023-04-03 03:41:12,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2023-04-03 03:41:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 5698 states and 7551 transitions. [2023-04-03 03:41:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-03 03:41:12,971 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:12,971 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 03:41:12,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 03:41:12,971 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:12,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:12,971 INFO L85 PathProgramCache]: Analyzing trace with hash 567354332, now seen corresponding path program 1 times [2023-04-03 03:41:12,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:12,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669691108] [2023-04-03 03:41:12,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:12,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-03 03:41:13,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:41:13,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669691108] [2023-04-03 03:41:13,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669691108] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:41:13,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:41:13,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 03:41:13,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274711967] [2023-04-03 03:41:13,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:41:13,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 03:41:13,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:41:13,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 03:41:13,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:41:13,837 INFO L87 Difference]: Start difference. First operand 5698 states and 7551 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 5 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-03 03:41:22,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:22,613 INFO L93 Difference]: Finished difference Result 6456 states and 8578 transitions. [2023-04-03 03:41:22,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-03 03:41:22,621 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 5 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 115 [2023-04-03 03:41:22,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:22,648 INFO L225 Difference]: With dead ends: 6456 [2023-04-03 03:41:22,649 INFO L226 Difference]: Without dead ends: 6451 [2023-04-03 03:41:22,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-04-03 03:41:22,653 INFO L413 NwaCegarLoop]: 905 mSDtfsCounter, 2100 mSDsluCounter, 1792 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 1136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2246 SdHoareTripleChecker+Valid, 2697 SdHoareTripleChecker+Invalid, 3836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1136 IncrementalHoareTripleChecker+Valid, 2700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:22,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2246 Valid, 2697 Invalid, 3836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1136 Valid, 2700 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-04-03 03:41:22,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6451 states. [2023-04-03 03:41:23,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6451 to 6286. [2023-04-03 03:41:23,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6286 states, 3716 states have (on average 1.2532292787944026) internal successors, (4657), 3842 states have internal predecessors, (4657), 1687 states have call successors, (1687), 853 states have call predecessors, (1687), 882 states have return successors, (1999), 1622 states have call predecessors, (1999), 1678 states have call successors, (1999) [2023-04-03 03:41:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6286 states to 6286 states and 8343 transitions. [2023-04-03 03:41:23,047 INFO L78 Accepts]: Start accepts. Automaton has 6286 states and 8343 transitions. Word has length 115 [2023-04-03 03:41:23,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:23,048 INFO L495 AbstractCegarLoop]: Abstraction has 6286 states and 8343 transitions. [2023-04-03 03:41:23,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 5 states have call successors, (25), 5 states have call predecessors, (25), 3 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-04-03 03:41:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 6286 states and 8343 transitions. [2023-04-03 03:41:23,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-04-03 03:41:23,051 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:23,051 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:23,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 03:41:23,051 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:23,052 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:23,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1812637855, now seen corresponding path program 1 times [2023-04-03 03:41:23,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:23,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458217690] [2023-04-03 03:41:23,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:23,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-03 03:41:24,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:41:24,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458217690] [2023-04-03 03:41:24,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458217690] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:41:24,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:41:24,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-03 03:41:24,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679276192] [2023-04-03 03:41:24,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:41:24,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-03 03:41:24,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:41:24,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-03 03:41:24,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-04-03 03:41:24,039 INFO L87 Difference]: Start difference. First operand 6286 states and 8343 transitions. Second operand has 13 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 6 states have call successors, (22), 5 states have call predecessors, (22), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) [2023-04-03 03:41:31,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:31,369 INFO L93 Difference]: Finished difference Result 7634 states and 10185 transitions. [2023-04-03 03:41:31,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 03:41:31,369 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 6 states have call successors, (22), 5 states have call predecessors, (22), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) Word has length 109 [2023-04-03 03:41:31,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:31,411 INFO L225 Difference]: With dead ends: 7634 [2023-04-03 03:41:31,412 INFO L226 Difference]: Without dead ends: 7610 [2023-04-03 03:41:31,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2023-04-03 03:41:31,418 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 2488 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 2946 mSolverCounterSat, 1919 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2600 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 4865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1919 IncrementalHoareTripleChecker+Valid, 2946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:31,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2600 Valid, 1688 Invalid, 4865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1919 Valid, 2946 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-04-03 03:41:31,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7610 states. [2023-04-03 03:41:31,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7610 to 7461. [2023-04-03 03:41:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7461 states, 4406 states have (on average 1.2535179300953245) internal successors, (5523), 4556 states have internal predecessors, (5523), 1998 states have call successors, (1998), 1021 states have call predecessors, (1998), 1056 states have return successors, (2423), 1923 states have call predecessors, (2423), 1989 states have call successors, (2423) [2023-04-03 03:41:31,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7461 states to 7461 states and 9944 transitions. [2023-04-03 03:41:31,930 INFO L78 Accepts]: Start accepts. Automaton has 7461 states and 9944 transitions. Word has length 109 [2023-04-03 03:41:31,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:31,931 INFO L495 AbstractCegarLoop]: Abstraction has 7461 states and 9944 transitions. [2023-04-03 03:41:31,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 6 states have call successors, (22), 5 states have call predecessors, (22), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) [2023-04-03 03:41:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 7461 states and 9944 transitions. [2023-04-03 03:41:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-04-03 03:41:31,935 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:31,935 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:31,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 03:41:31,935 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:31,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:31,936 INFO L85 PathProgramCache]: Analyzing trace with hash 454147544, now seen corresponding path program 1 times [2023-04-03 03:41:31,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:31,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574456562] [2023-04-03 03:41:31,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:31,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-03 03:41:32,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:41:32,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574456562] [2023-04-03 03:41:32,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574456562] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:41:32,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:41:32,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:41:32,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211661590] [2023-04-03 03:41:32,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:41:32,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:41:32,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:41:32,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:41:32,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:41:32,242 INFO L87 Difference]: Start difference. First operand 7461 states and 9944 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 03:41:34,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:34,311 INFO L93 Difference]: Finished difference Result 11482 states and 15414 transitions. [2023-04-03 03:41:34,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:41:34,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 113 [2023-04-03 03:41:34,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:34,340 INFO L225 Difference]: With dead ends: 11482 [2023-04-03 03:41:34,341 INFO L226 Difference]: Without dead ends: 6886 [2023-04-03 03:41:34,363 INFO L412 NwaCegarLoop]: 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 [2023-04-03 03:41:34,364 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 5 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:34,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1190 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 03:41:34,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6886 states. [2023-04-03 03:41:34,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6886 to 6839. [2023-04-03 03:41:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6839 states, 4041 states have (on average 1.2521653056174213) internal successors, (5060), 4178 states have internal predecessors, (5060), 1811 states have call successors, (1811), 966 states have call predecessors, (1811), 986 states have return successors, (2164), 1734 states have call predecessors, (2164), 1802 states have call successors, (2164) [2023-04-03 03:41:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6839 states to 6839 states and 9035 transitions. [2023-04-03 03:41:34,827 INFO L78 Accepts]: Start accepts. Automaton has 6839 states and 9035 transitions. Word has length 113 [2023-04-03 03:41:34,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:34,828 INFO L495 AbstractCegarLoop]: Abstraction has 6839 states and 9035 transitions. [2023-04-03 03:41:34,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 03:41:34,828 INFO L276 IsEmpty]: Start isEmpty. Operand 6839 states and 9035 transitions. [2023-04-03 03:41:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-03 03:41:34,831 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:34,832 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:34,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 03:41:34,832 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:34,832 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:34,832 INFO L85 PathProgramCache]: Analyzing trace with hash 184846611, now seen corresponding path program 1 times [2023-04-03 03:41:34,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:34,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769099065] [2023-04-03 03:41:34,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:34,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-03 03:41:35,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-03 03:41:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-03 03:41:35,413 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-04-03 03:41:35,415 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-03 03:41:35,416 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 03:41:35,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-03 03:41:35,421 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:35,424 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 03:41:35,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 03:41:35 BoogieIcfgContainer [2023-04-03 03:41:35,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 03:41:35,539 INFO L158 Benchmark]: Toolchain (without parser) took 83813.29ms. Allocated memory was 303.0MB in the beginning and 803.2MB in the end (delta: 500.2MB). Free memory was 245.0MB in the beginning and 611.3MB in the end (delta: -366.3MB). Peak memory consumption was 134.9MB. Max. memory is 8.0GB. [2023-04-03 03:41:35,539 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 03:41:35,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1745.96ms. Allocated memory is still 303.0MB. Free memory was 244.5MB in the beginning and 168.6MB in the end (delta: 75.9MB). Peak memory consumption was 123.1MB. Max. memory is 8.0GB. [2023-04-03 03:41:35,540 INFO L158 Benchmark]: Boogie Preprocessor took 238.19ms. Allocated memory is still 303.0MB. Free memory was 168.6MB in the beginning and 153.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-04-03 03:41:35,541 INFO L158 Benchmark]: RCFGBuilder took 3365.46ms. Allocated memory was 303.0MB in the beginning and 417.3MB in the end (delta: 114.3MB). Free memory was 153.8MB in the beginning and 330.1MB in the end (delta: -176.3MB). Peak memory consumption was 115.9MB. Max. memory is 8.0GB. [2023-04-03 03:41:35,541 INFO L158 Benchmark]: TraceAbstraction took 78456.92ms. Allocated memory was 417.3MB in the beginning and 803.2MB in the end (delta: 385.9MB). Free memory was 329.6MB in the beginning and 611.3MB in the end (delta: -281.8MB). Peak memory consumption was 103.6MB. Max. memory is 8.0GB. [2023-04-03 03:41:35,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1745.96ms. Allocated memory is still 303.0MB. Free memory was 244.5MB in the beginning and 168.6MB in the end (delta: 75.9MB). Peak memory consumption was 123.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 238.19ms. Allocated memory is still 303.0MB. Free memory was 168.6MB in the beginning and 153.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * RCFGBuilder took 3365.46ms. Allocated memory was 303.0MB in the beginning and 417.3MB in the end (delta: 114.3MB). Free memory was 153.8MB in the beginning and 330.1MB in the end (delta: -176.3MB). Peak memory consumption was 115.9MB. Max. memory is 8.0GB. * TraceAbstraction took 78456.92ms. Allocated memory was 417.3MB in the beginning and 803.2MB in the end (delta: 385.9MB). Free memory was 329.6MB in the beginning and 611.3MB in the end (delta: -281.8MB). Peak memory consumption was 103.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6754]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 6103. Possible FailurePath: [L5149] static struct lock_class_key __key___7 ; [L5150] static struct lock_class_key __key___8 ; [L5290-L5303] static char const __mod_author31[46] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'a', (char const )'u', (char const )'t', (char const )'h', (char const )'o', (char const )'r', (char const )'=', (char const )'S', (char const )'e', (char const )'b', (char const )'a', (char const )'s', (char const )'t', (char const )'i', (char const )'a', (char const )'n', (char const )' ', (char const )'H', (char const )'a', (char const )'a', (char const )'s', (char const )' ', (char const )'<', (char const )'h', (char const )'a', (char const )'a', (char const )'s', (char const )'@', (char const )'e', (char const )'m', (char const )'s', (char const )'-', (char const )'w', (char const )'u', (char const )'e', (char const )'n', (char const )'s', (char const )'c', (char const )'h', (char const )'e', (char const )'.', (char const )'c', (char const )'o', (char const )'m', (char const )'>', (char const )'\000'}; [L5304-L5323] static char const __mod_description32[70] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'d', (char const )'e', (char const )'s', (char const )'c', (char const )'r', (char const )'i', (char const )'p', (char const )'t', (char const )'i', (char const )'o', (char const )'n', (char const )'=', (char const )'C', (char const )'A', (char const )'N', (char const )' ', (char const )'d', (char const )'r', (char const )'i', (char const )'v', (char const )'e', (char const )'r', (char const )' ', (char const )'f', (char const )'o', (char const )'r', (char const )' ', (char const )'E', (char const )'M', (char const )'S', (char const )' ', (char const )'D', (char const )'r', (char const )'.', (char const )' ', (char const )'T', (char const )'h', (char const )'o', (char const )'m', (char const )'a', (char const )'s', (char const )' ', (char const )'W', (char const )'u', (char const )'e', (char const )'n', (char const )'s', (char const )'c', (char const )'h', (char const )'e', (char const )' ', (char const )'C', (char const )'A', (char const )'N', (char const )'/', (char const )'U', (char const )'S', (char const )'B', (char const )' ', (char const )'i', (char const )'n', (char const )'t', (char const )'e', (char const )'r', (char const )'f', (char const )'a', (char const )'c', (char const )'e', (char const )'s', (char const )'\000'}; [L5324-L5329] static char const __mod_license33[15] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'l', (char const )'i', (char const )'c', (char const )'e', (char const )'n', (char const )'s', (char const )'e', (char const )'=', (char const )'G', (char const )'P', (char const )'L', (char const )' ', (char const )'v', (char const )'2', (char const )'\000'}; [L5330-L5332] static struct usb_device_id ems_usb_table[1] = { {(__u16 )3, (__u16 )4822, (__u16 )1092, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L6247-L6287] static struct net_device_ops const ems_usb_netdev_ops = {(int (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, & ems_usb_open, & ems_usb_close, & ems_usb_start_xmit, (u16 (*)(struct net_device *dev , struct sk_buff *skb ))0, (void (*)(struct net_device *dev , int flags ))0, (void (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , void *addr ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct ifreq *ifr , int cmd ))0, (int (*)(struct net_device *dev , struct ifmap *map ))0, (int (*)(struct net_device *dev , int new_mtu ))0, (int (*)(struct net_device *dev , struct neigh_parms * ))0, (void (*)(struct net_device *dev ))0, (struct rtnl_link_stats64 *(*)(struct net_device *dev , struct rtnl_link_stats64 *storage ))0, (struct net_device_stats *(*)(struct net_device *dev ))0, (void (*)(struct net_device *dev , struct vlan_group *grp ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct netpoll_info *info ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , int queue , u8 *mac ))0, (int (*)(struct net_device *dev , int queue , u16 vlan , u8 qos ))0, (int (*)(struct net_device *dev , int vf , int rate ))0, (int (*)(struct net_device *dev , int vf , struct ifla_vf_info *ivf ))0, (int (*)(struct net_device *dev , int vf , struct nlattr **port ))0, (int (*)(struct net_device *dev , int vf , struct sk_buff *skb ))0, (int (*)(struct net_device *dev , u8 tc ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u16 xid ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u64 *wwn , int type ))0, (int (*)(struct net_device *dev , struct sk_buff const *skb , u16 rxq_index , u32 flow_id ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (u32 (*)(struct net_device *dev , u32 features ))0, (int (*)(struct net_device *dev , u32 features ))0}; [L6288-L6292] static struct can_bittiming_const ems_usb_bittiming_const = {{(char )'e', (char )'m', (char )'s', (char )'_', (char )'u', (char )'s', (char )'b', (char )'\000', (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, (__u32 )1, (__u32 )16, (__u32 )1, (__u32 )8, (__u32 )4, (__u32 )1, (__u32 )64, (__u32 )1}; [L6543-L6561] static struct usb_driver ems_usb_driver = {"ems_usb", & ems_usb_probe, & ems_usb_disconnect, (int (*)(struct usb_interface *intf , unsigned int code , void *buf ))0, (int (*)(struct usb_interface *intf , pm_message_t message ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (struct usb_device_id const *)(ems_usb_table), {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}, {{(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device *dev ))0, (int (*)(struct device *dev ))0, (void (*)(struct device *dev ))0, (int (*)(struct device *dev , pm_message_t state ))0, (int (*)(struct device *dev ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, 0}, 0U, 0U, 0U}; [L6614] int LDV_IN_INTERRUPT ; [L6615] static int res_ems_usb_open_10 ; [L6616] static int res_ems_usb_close_12 ; [L6617] static int res_ems_usb_probe_16 ; [L6767] int ldv_urb_state = 0; [L6768] int ldv_coherent_state = 0; [L6619] struct net_device *var_group1 ; [L6620] struct sk_buff *var_group2 ; [L6621] struct usb_interface *var_group3 ; [L6622] struct usb_device_id const *var_ems_usb_probe_16_p1 ; [L6623] int tmp___7 ; [L6624] int ldv_s_ems_usb_netdev_ops_net_device_ops ; [L6625] int ldv_s_ems_usb_driver_usb_driver ; [L6626] int tmp___8 ; [L6627] int tmp___9 ; [L6630] LDV_IN_INTERRUPT = 1 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6631] FCALL ldv_initialize() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6632] CALL, EXPR ems_usb_init() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6565] int err ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6568] CALL printk("<6>CPC-USB kernel driver loaded\n") VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, arg0={34:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L7001] return __VERIFIER_nondet_int(); [L6568] RET printk("<6>CPC-USB kernel driver loaded\n") VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, printk("<6>CPC-USB kernel driver loaded\n")=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6569] CALL, EXPR usb_register(& ems_usb_driver) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, driver={41:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L5140] int tmp___7 ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, driver={41:0}, driver={41:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L5143] CALL, EXPR usb_register_driver(driver, & __this_module, "ems_usb") VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, arg0={41:0}, arg1={4294967331:4294967325}, arg2={5:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L7025] return __VERIFIER_nondet_int(); [L5143] RET, EXPR usb_register_driver(driver, & __this_module, "ems_usb") VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, driver={41:0}, driver={41:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, usb_register_driver(driver, & __this_module, "ems_usb")=0] [L5143] tmp___7 = usb_register_driver(driver, & __this_module, "ems_usb") [L5145] return (tmp___7); [L6569] RET, EXPR usb_register(& ems_usb_driver) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, usb_register(& ems_usb_driver)=0] [L6569] err = usb_register(& ems_usb_driver) [L6571] COND FALSE !(\read(err)) [L6578] return (0); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, err=0, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6632] RET, EXPR ems_usb_init() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_init()=0, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6632] tmp___7 = ems_usb_init() [L6634] COND FALSE !(\read(tmp___7)) [L6638] ldv_s_ems_usb_netdev_ops_net_device_ops = 0 [L6639] ldv_s_ems_usb_driver_usb_driver = 0 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0] [L6641] COND TRUE 1 [L6644] tmp___9 = __VERIFIER_nondet_int() [L6646] COND TRUE \read(tmp___9) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___9=1] [L6655] tmp___8 = __VERIFIER_nondet_int() [L6657] COND FALSE !(tmp___8 == 0) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1] [L6660] COND FALSE !(tmp___8 == 1) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1] [L6663] COND TRUE tmp___8 == 2 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1] [L6704] CALL ems_usb_start_xmit(var_group2, var_group1) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967330:0}] [L6048] struct ems_usb *dev ; [L6049] void *tmp___7 ; [L6050] struct ems_tx_urb_context *context ; [L6051] struct net_device_stats *stats ; [L6052] struct can_frame *cf ; [L6053] struct ems_cpc_msg *msg ; [L6054] struct urb *urb ; [L6055] u8 *buf ; [L6056] int i ; [L6057] int err ; [L6058] size_t size ; [L6059] int tmp___8 ; [L6060] void *tmp___9 ; [L6061] unsigned int tmp___10 ; [L6062] int tmp___11 ; [L6063] long tmp___12 ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967330:0}, skb={4294967330:0}] [L6066] CALL, EXPR netdev_priv((struct net_device const *)netdev) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, dev={0:-1872}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L4976] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); [L6066] RET, EXPR netdev_priv((struct net_device const *)netdev) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, netdev={0:-1872}, netdev={0:-1872}, netdev_priv((struct net_device const *)netdev)={0:-336}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967330:0}, skb={4294967330:0}] [L6066] tmp___7 = netdev_priv((struct net_device const *)netdev) [L6067] dev = (struct ems_usb *)tmp___7 [L6068] context = (struct ems_tx_urb_context *)((void *)0) [L6069] stats = & netdev->stats [L6070] EXPR skb->data [L6070] cf = (struct can_frame *)skb->data [L6071] size = 15UL + sizeof(struct cpc_can_msg ) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}] [L6072] CALL, EXPR can_dropped_invalid_skb(netdev, skb) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, dev={0:-1872}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967330:0}] [L5252] struct can_frame const *cf ; [L5253] int tmp___7 ; [L5254] long tmp___8 ; [L5256] EXPR skb->data [L5256] cf = (struct can_frame const *)((struct can_frame *)skb->data) [L5257] EXPR skb->len [L5257] COND FALSE !((unsigned long )skb->len != sizeof(*cf)) [L5260] EXPR cf->can_dlc [L5260] COND FALSE !((int const )cf->can_dlc > 8) [L5263] tmp___7 = 0 [L5266] tmp___8 = __builtin_expect((long )tmp___7, 0L) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, cf->can_dlc=4294967311, cf={-4294967297:19}, dev={0:-1872}, dev={0:-1872}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967330:0}, skb={4294967330:0}, tmp___7=0, tmp___8=0] [L5268] COND FALSE !(\read(tmp___8)) [L5276] return (0); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, cf->can_dlc=4294967311, cf={-4294967297:19}, dev={0:-1872}, dev={0:-1872}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967330:0}, skb={4294967330:0}, tmp___7=0, tmp___8=0] [L6072] RET, EXPR can_dropped_invalid_skb(netdev, skb) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, can_dropped_invalid_skb(netdev, skb)=0, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}] [L6072] tmp___8 = can_dropped_invalid_skb(netdev, skb) [L6074] COND FALSE !(\read(tmp___8)) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0] [L6079] CALL, EXPR usb_alloc_urb(0, 32U) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6830] void *arbitrary_memory ; [L6831] void *tmp___7 ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, iso_packets=0, ldv_coherent_state=0, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6834] COND TRUE 1 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, iso_packets=0, ldv_coherent_state=0, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6837] CALL, EXPR ldv_undefined_pointer() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6982] CALL, EXPR ldv_malloc(0UL) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6911] COND FALSE !(__VERIFIER_nondet_bool()) [L6912] return malloc(size); [L6982] RET, EXPR ldv_malloc(0UL) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_malloc(0UL)={-3:0}, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6982] return ldv_malloc(0UL); [L6837] RET, EXPR ldv_undefined_pointer() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, iso_packets=0, ldv_coherent_state=0, ldv_undefined_pointer()={-3:0}, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6837] tmp___7 = ldv_undefined_pointer() [L6838] arbitrary_memory = tmp___7 [L6840] COND FALSE !(! arbitrary_memory) [L6844] ldv_urb_state = ldv_urb_state + 1 [L6845] return ((struct urb *)arbitrary_memory); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result={-3:0}, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, arbitrary_memory={-3:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, iso_packets=0, ldv_coherent_state=0, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7={-3:0}] [L6079] RET, EXPR usb_alloc_urb(0, 32U) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, usb_alloc_urb(0, 32U)={-3:0}] [L6079] urb = usb_alloc_urb(0, 32U) [L6081] COND FALSE !(! urb) [L6089] EXPR dev->udev VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, cf={-4294967297:19}, context={0:0}, dev->udev={4294967327:4294967337}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, urb={-3:0}] [L6089] CALL, EXPR usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, dev={4294967327:4294967337}, dma={-3:68}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6773] void *arbitrary_memory ; [L6774] void *tmp___7 ; VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, dev={4294967327:4294967337}, dev={4294967327:4294967337}, dma={-3:68}, dma={-3:68}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6777] COND TRUE 1 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, dev={4294967327:4294967337}, dev={4294967327:4294967337}, dma={-3:68}, dma={-3:68}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6780] CALL, EXPR ldv_undefined_pointer() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6982] CALL, EXPR ldv_malloc(0UL) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6911] COND FALSE !(__VERIFIER_nondet_bool()) [L6912] return malloc(size); [L6982] RET, EXPR ldv_malloc(0UL) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_malloc(0UL)={-4294967297:0}, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6982] return ldv_malloc(0UL); [L6780] RET, EXPR ldv_undefined_pointer() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, dev={4294967327:4294967337}, dev={4294967327:4294967337}, dma={-3:68}, dma={-3:68}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_undefined_pointer()={-4294967297:0}, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6780] tmp___7 = ldv_undefined_pointer() [L6781] arbitrary_memory = tmp___7 [L6783] COND FALSE !(! arbitrary_memory) [L6787] ldv_coherent_state = ldv_coherent_state + 1 [L6788] return (arbitrary_memory); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, \result={-4294967297:0}, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, arbitrary_memory={-4294967297:0}, dev={4294967327:4294967337}, dev={4294967327:4294967337}, dma={-3:68}, dma={-3:68}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, tmp___7={-4294967297:0}] [L6089] RET, EXPR usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, cf={-4294967297:19}, context={0:0}, dev->udev={4294967327:4294967337}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, urb={-3:0}, usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma)={-4294967297:0}] [L6089] tmp___9 = usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) [L6090] buf = (u8 *)tmp___9 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6092] COND FALSE !(! buf) [L6100] msg = (struct ems_cpc_msg *)(buf + 4) [L6101] EXPR cf->can_id [L6101] msg->msg.can_msg.id = cf->can_id & 536870911U [L6102] EXPR cf->can_dlc [L6102] msg->msg.can_msg.length = cf->can_dlc [L6103] EXPR cf->can_id [L6103] cf->can_id & 1073741824U VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf->can_id & 1073741824U=1073741824, cf->can_id=1073741824, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, msg={-4294967297:4}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6103] COND TRUE cf->can_id & 1073741824U [L6104] EXPR cf->can_id [L6104] COND FALSE !(cf->can_id & 2147483648U) [L6107] msg->type = (u8 )13 [L6109] msg->length = (u8 )5 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, msg={-4294967297:4}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6132] EXPR msg->msg.can_msg.id [L6132] msg->msg.can_msg.id = msg->msg.can_msg.id [L6133] i = 0 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-4294967297:4}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6135] COND TRUE 1 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-4294967297:4}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6137] COND TRUE i < 10 [L6141] EXPR dev->tx_contexts[i].echo_index VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev->tx_contexts[i].echo_index=4294967306, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-4294967297:4}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6141] COND TRUE dev->tx_contexts[i].echo_index == 10U [L6142] context = & dev->tx_contexts[i] VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-4294967297:4}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6151] COND TRUE ! context VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-4294967297:4}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6153] FCALL usb_unanchor_urb(urb) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-4294967297:4}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6154] EXPR dev->udev [L6154] EXPR urb->transfer_dma VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev->udev={4294967327:4294967337}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-4294967297:4}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb->transfer_dma=4294967329, urb={-3:0}] [L6154] CALL usb_free_coherent(dev->udev, size, (void *)buf, urb->transfer_dma) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(dma)=4294967329, \old(ldv_coherent_state)=1, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, addr={-4294967297:0}, dev={4294967327:4294967337}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6802] COND TRUE 1 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(dma)=4294967329, \old(ldv_coherent_state)=1, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, addr={-4294967297:0}, addr={-4294967297:0}, dev={4294967327:4294967337}, dev={4294967327:4294967337}, dma=4294967329, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6804] COND FALSE !(! ((unsigned long )addr != (unsigned long )((void *)0))) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(dma)=4294967329, \old(ldv_coherent_state)=1, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, addr={-4294967297:0}, addr={-4294967297:0}, dev={4294967327:4294967337}, dev={4294967327:4294967337}, dma=4294967329, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6810] COND TRUE \read(*addr) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(dma)=4294967329, \old(ldv_coherent_state)=1, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, addr={-4294967297:0}, addr={-4294967297:0}, dev={4294967327:4294967337}, dev={4294967327:4294967337}, dma=4294967329, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6811] COND TRUE ldv_coherent_state >= 1 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(dma)=4294967329, \old(ldv_coherent_state)=1, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, addr={-4294967297:0}, addr={-4294967297:0}, dev={4294967327:4294967337}, dev={4294967327:4294967337}, dma=4294967329, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6817] ldv_coherent_state = ldv_coherent_state - 1 VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(dma)=4294967329, \old(ldv_coherent_state)=1, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, addr={-4294967297:0}, addr={-4294967297:0}, dev={4294967327:4294967337}, dev={4294967327:4294967337}, dma=4294967329, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6154] RET usb_free_coherent(dev->udev, size, (void *)buf, urb->transfer_dma) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev->udev={4294967327:4294967337}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=0, ldv_urb_state=1, msg={-4294967297:4}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb->transfer_dma=4294967329, urb={-3:0}] [L6155] EXPR netdev->dev.parent VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=0, ldv_urb_state=1, msg={-4294967297:4}, netdev->dev.parent={4294967341:4294967333}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6155] CALL dev_warn((struct device const *)netdev->dev.parent, "couldn\'t find free context\n") VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, arg0={4294967341:4294967333}, arg1={22:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6967] return __VERIFIER_nondet_int(); [L6155] RET dev_warn((struct device const *)netdev->dev.parent, "couldn\'t find free context\n") VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, dev_warn((struct device const *)netdev->dev.parent, "couldn\'t find free context\n")=0, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=0, ldv_urb_state=1, msg={-4294967297:4}, netdev->dev.parent={4294967341:4294967333}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6157] return ((netdev_tx_t )16); VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result=16, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, buf={-4294967297:0}, cf={-4294967297:19}, context={0:0}, dev={0:-336}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=0, ldv_urb_state=1, msg={-4294967297:4}, netdev={0:-1872}, netdev={0:-1872}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967330:0}, skb={4294967330:0}, stats={0:-1752}, tmp___7={0:-336}, tmp___8=0, tmp___9={-4294967297:0}, urb={-3:0}] [L6704] RET ems_usb_start_xmit(var_group2, var_group1) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_start_xmit(var_group2, var_group1)=16, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1, var_group1={0:-1872}, var_group2={4294967330:0}] [L6641] COND TRUE 1 [L6644] tmp___9 = __VERIFIER_nondet_int() [L6646] COND FALSE !(\read(tmp___9)) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-1872}, var_group2={4294967330:0}] [L6648] COND FALSE !(! (ldv_s_ems_usb_netdev_ops_net_device_ops == 0)) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-1872}, var_group2={4294967330:0}] [L6650] COND FALSE !(! (ldv_s_ems_usb_driver_usb_driver == 0)) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-1872}, var_group2={4294967330:0}] [L6742] CALL ems_usb_exit() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6587] FCALL usb_deregister(& ems_usb_driver) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6742] RET ems_usb_exit() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-1872}, var_group2={4294967330:0}] [L6746] CALL ldv_check_final_state() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6889] COND FALSE !(ldv_urb_state == 0) VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6892] CALL ldv_blast_assert() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6754] reach_error() VAL [LDV_IN_INTERRUPT=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_coherent_state)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={36:0}, __key___8={37:0}, __this_module={4294967331:4294967325}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 108 procedures, 756 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 78.3s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 66.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14875 SdHoareTripleChecker+Valid, 63.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14017 mSDsluCounter, 23172 SdHoareTripleChecker+Invalid, 60.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14837 mSDsCounter, 8172 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15725 IncrementalHoareTripleChecker+Invalid, 23897 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8172 mSolverCounterUnsat, 8335 mSDtfsCounter, 15725 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 265 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7461occurred in iteration=13, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 1108 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1489 NumberOfCodeBlocks, 1489 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1359 ConstructedInterpolants, 0 QuantifiedInterpolants, 2608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1672 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 90/98 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-04-03 03:41:35,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...