/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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 07:18:56,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 07:18:56,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 07:18:56,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 07:18:56,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 07:18:56,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 07:18:56,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 07:18:56,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 07:18:56,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 07:18:56,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 07:18:56,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 07:18:56,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 07:18:56,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 07:18:56,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 07:18:56,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 07:18:56,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 07:18:56,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 07:18:56,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 07:18:56,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 07:18:56,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 07:18:56,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 07:18:56,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 07:18:56,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 07:18:56,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 07:18:56,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 07:18:56,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 07:18:56,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 07:18:56,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 07:18:56,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 07:18:56,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 07:18:56,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 07:18:56,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 07:18:56,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 07:18:56,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 07:18:56,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 07:18:56,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 07:18:56,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 07:18:56,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 07:18:56,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 07:18:56,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 07:18:56,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 07:18:56,542 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 [2023-04-01 07:18:56,574 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 07:18:56,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 07:18:56,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 07:18:56,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 07:18:56,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 07:18:56,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 07:18:56,575 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 07:18:56,575 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 07:18:56,576 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 07:18:56,576 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 07:18:56,576 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 07:18:56,576 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 07:18:56,576 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 07:18:56,576 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 07:18:56,576 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 07:18:56,580 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 07:18:56,581 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 07:18:56,581 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 07:18:56,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 07:18:56,581 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 07:18:56,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 07:18:56,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 07:18:56,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 07:18:56,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 07:18:56,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 07:18:56,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 07:18:56,583 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 07:18:56,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 07:18:56,583 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 07:18:56,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 07:18:56,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 07:18:56,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 07:18:56,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:18:56,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 07:18:56,584 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 07:18:56,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 07:18:56,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 07:18:56,585 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 07:18:56,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 07:18:56,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 07:18:56,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 07:18:56,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 07:18:56,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 07:18:56,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 07:18:56,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 07:18:56,857 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 07:18:56,858 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 07:18:56,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2023-04-01 07:18:58,004 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 07:18:58,447 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 07:18:58,447 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2023-04-01 07:18:58,485 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/607e99052/d1f5ade87bec41ed9175324ccc040b04/FLAG169023263 [2023-04-01 07:18:58,497 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/607e99052/d1f5ade87bec41ed9175324ccc040b04 [2023-04-01 07:18:58,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 07:18:58,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 07:18:58,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 07:18:58,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 07:18:58,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 07:18:58,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:18:58" (1/1) ... [2023-04-01 07:18:58,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ca78c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:18:58, skipping insertion in model container [2023-04-01 07:18:58,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:18:58" (1/1) ... [2023-04-01 07:18:58,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 07:18:58,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 07:18:59,456 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i[114617,114630] [2023-04-01 07:18:59,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:19:00,047 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 07:19:00,135 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i[114617,114630] [2023-04-01 07:19:00,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:19:00,442 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 07:19:00,442 WARN L667 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 07:19:00,448 INFO L208 MainTranslator]: Completed translation [2023-04-01 07:19:00,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:19:00 WrapperNode [2023-04-01 07:19:00,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 07:19:00,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 07:19:00,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 07:19:00,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 07:19:00,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:19:00" (1/1) ... [2023-04-01 07:19:00,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:19:00" (1/1) ... [2023-04-01 07:19:00,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:19:00" (1/1) ... [2023-04-01 07:19:00,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:19:00" (1/1) ... [2023-04-01 07:19:00,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:19:00" (1/1) ... [2023-04-01 07:19:00,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:19:00" (1/1) ... [2023-04-01 07:19:00,702 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:19:00" (1/1) ... [2023-04-01 07:19:00,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:19:00" (1/1) ... [2023-04-01 07:19:00,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 07:19:00,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 07:19:00,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 07:19:00,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 07:19:00,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:19:00" (1/1) ... [2023-04-01 07:19:00,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:19:00,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:19:00,842 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) [2023-04-01 07:19:00,871 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 [2023-04-01 07:19:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 07:19:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 07:19:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 07:19:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-04-01 07:19:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 07:19:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-01 07:19:00,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 07:19:00,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 07:19:00,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 07:19:00,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 07:19:00,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 07:19:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 07:19:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 07:19:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 07:19:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-01 07:19:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2023-04-01 07:19:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2023-04-01 07:19:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2023-04-01 07:19:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-04-01 07:19:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-04-01 07:19:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-04-01 07:19:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-04-01 07:19:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-04-01 07:19:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-04-01 07:19:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-04-01 07:19:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2023-04-01 07:19:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2023-04-01 07:19:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buttons_report [2023-04-01 07:19:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_setup_buttons [2023-04-01 07:19:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_buttons [2023-04-01 07:19:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_gamepad_report [2023-04-01 07:19:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_setup_gamepad [2023-04-01 07:19:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_gamepad [2023-04-01 07:19:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_report_events [2023-04-01 07:19:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_response [2023-04-01 07:19:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_process_data [2023-04-01 07:19:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_byte_needs_escape [2023-04-01 07:19:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_cmd_chunk [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_command [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_command [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_bl_command [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_info [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_set_info [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_switch_to_bootloader [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_count_fw_records [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_verify_block [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_flash_firmware [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_firmware_update [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_process_async_firmware [2023-04-01 07:19:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_backlight_work [2023-04-01 07:19:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_backlight_set_brightness [2023-04-01 07:19:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_backlight_get_brightness [2023-04-01 07:19:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_setup_backlight [2023-04-01 07:19:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_backlight [2023-04-01 07:19:00,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_attribute_show [2023-04-01 07:19:00,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_attribute_store [2023-04-01 07:19:00,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_reset_device [2023-04-01 07:19:00,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_update_firmware_store [2023-04-01 07:19:00,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_update_firmware_status_show [2023-04-01 07:19:00,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_is_attr_visible [2023-04-01 07:19:00,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_irq [2023-04-01 07:19:00,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_alloc [2023-04-01 07:19:00,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_free [2023-04-01 07:19:00,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_cdc_union_desc [2023-04-01 07:19:00,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_parse_cdc_data [2023-04-01 07:19:00,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_start_io [2023-04-01 07:19:00,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_stop_io [2023-04-01 07:19:00,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_line_setup [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_device_info [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_identify_type [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_init_application_mode [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_application_mode [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_init_bootloader_mode [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_bootloader_mode [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_probe [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_disconnect [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_suspend [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_resume [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_driver_init [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_driver_exit [2023-04-01 07:19:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_10 [2023-04-01 07:19:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_6 [2023-04-01 07:19:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_9 [2023-04-01 07:19:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_11 [2023-04-01 07:19:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_8 [2023-04-01 07:19:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ims_pcu_attribute_7 [2023-04-01 07:19:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2023-04-01 07:19:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 07:19:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-01 07:19:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2023-04-01 07:19:00,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2023-04-01 07:19:00,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2023-04-01 07:19:00,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_10 [2023-04-01 07:19:00,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_11 [2023-04-01 07:19:00,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_12 [2023-04-01 07:19:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_13 [2023-04-01 07:19:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_14 [2023-04-01 07:19:00,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_15 [2023-04-01 07:19:00,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_16 [2023-04-01 07:19:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_17 [2023-04-01 07:19:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_18 [2023-04-01 07:19:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_24 [2023-04-01 07:19:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_25 [2023-04-01 07:19:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-04-01 07:19:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 07:19:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure led_classdev_register [2023-04-01 07:19:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure led_classdev_unregister [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-04-01 07:19:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_notify [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-04-01 07:19:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-04-01 07:19:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 07:19:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 07:19:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 07:19:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 07:19:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 07:19:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 07:19:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 07:19:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 07:19:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 07:19:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 07:19:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 07:19:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 07:19:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 07:19:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-01 07:19:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-04-01 07:19:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-04-01 07:19:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-01 07:19:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-04-01 07:19:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 07:19:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-04-01 07:19:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-04-01 07:19:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_notify [2023-04-01 07:19:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 07:19:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-01 07:19:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 07:19:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_18 [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_24 [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_25 [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_10 [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_12 [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_11 [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_13 [2023-04-01 07:19:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_14 [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_15 [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_16 [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_17 [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2023-04-01 07:19:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 07:19:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_10 [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_6 [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_9 [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_11 [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_8 [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ims_pcu_attribute_7 [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2023-04-01 07:19:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure led_classdev_register [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure led_classdev_unregister [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2023-04-01 07:19:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buttons_report [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_setup_buttons [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_buttons [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_gamepad_report [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_setup_gamepad [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_gamepad [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_report_events [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_response [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_process_data [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_byte_needs_escape [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_cmd_chunk [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_command [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_command [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_bl_command [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_info [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_set_info [2023-04-01 07:19:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_switch_to_bootloader [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_count_fw_records [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_verify_block [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_flash_firmware [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_firmware_update [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_process_async_firmware [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_backlight_work [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_backlight_set_brightness [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_backlight_get_brightness [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_setup_backlight [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_backlight [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_attribute_show [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_attribute_store [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_reset_device [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_update_firmware_store [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_update_firmware_status_show [2023-04-01 07:19:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_is_attr_visible [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_irq [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_alloc [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_free [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_cdc_union_desc [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_parse_cdc_data [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_start_io [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_stop_io [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_line_setup [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_device_info [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_identify_type [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_init_application_mode [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_application_mode [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_init_bootloader_mode [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_bootloader_mode [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_probe [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_disconnect [2023-04-01 07:19:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_suspend [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_resume [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_driver_init [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_driver_exit [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 07:19:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 07:19:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 07:19:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 07:19:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 07:19:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 07:19:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 07:19:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 07:19:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 07:19:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 07:19:01,636 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 07:19:01,640 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 07:19:01,961 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 07:19:02,778 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-04-01 07:19:04,533 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 07:19:05,111 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 07:19:05,112 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-04-01 07:19:05,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:19:05 BoogieIcfgContainer [2023-04-01 07:19:05,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 07:19:05,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 07:19:05,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 07:19:05,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 07:19:05,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 07:18:58" (1/3) ... [2023-04-01 07:19:05,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599d4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:19:05, skipping insertion in model container [2023-04-01 07:19:05,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:19:00" (2/3) ... [2023-04-01 07:19:05,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599d4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:19:05, skipping insertion in model container [2023-04-01 07:19:05,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:19:05" (3/3) ... [2023-04-01 07:19:05,123 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2023-04-01 07:19:05,140 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 07:19:05,140 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 07:19:05,220 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 07:19:05,226 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;@3d46eba8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 07:19:05,226 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 07:19:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 1545 states, 907 states have (on average 1.2767364939360528) internal successors, (1158), 948 states have internal predecessors, (1158), 455 states have call successors, (455), 175 states have call predecessors, (455), 173 states have return successors, (438), 434 states have call predecessors, (438), 438 states have call successors, (438) [2023-04-01 07:19:05,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-01 07:19:05,269 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:05,270 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:05,271 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:05,277 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:05,278 INFO L85 PathProgramCache]: Analyzing trace with hash 92005165, now seen corresponding path program 1 times [2023-04-01 07:19:05,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:05,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533508088] [2023-04-01 07:19:05,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:05,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-04-01 07:19:06,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:06,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533508088] [2023-04-01 07:19:06,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533508088] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:06,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:06,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:19:06,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856908612] [2023-04-01 07:19:06,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:06,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:19:06,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:06,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:19:06,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:19:06,301 INFO L87 Difference]: Start difference. First operand has 1545 states, 907 states have (on average 1.2767364939360528) internal successors, (1158), 948 states have internal predecessors, (1158), 455 states have call successors, (455), 175 states have call predecessors, (455), 173 states have return successors, (438), 434 states have call predecessors, (438), 438 states have call successors, (438) 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 07:19:07,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:07,234 INFO L93 Difference]: Finished difference Result 4277 states and 5710 transitions. [2023-04-01 07:19:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:19:07,236 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 186 [2023-04-01 07:19:07,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:07,275 INFO L225 Difference]: With dead ends: 4277 [2023-04-01 07:19:07,275 INFO L226 Difference]: Without dead ends: 2798 [2023-04-01 07:19:07,286 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 [2023-04-01 07:19:07,291 INFO L413 NwaCegarLoop]: 1840 mSDtfsCounter, 1799 mSDsluCounter, 1805 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1799 SdHoareTripleChecker+Valid, 3645 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:07,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1799 Valid, 3645 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 07:19:07,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2798 states. [2023-04-01 07:19:07,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2798 to 2798. [2023-04-01 07:19:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2798 states, 1682 states have (on average 1.2687277051129608) internal successors, (2134), 1720 states have internal predecessors, (2134), 794 states have call successors, (794), 324 states have call predecessors, (794), 321 states have return successors, (787), 779 states have call predecessors, (787), 787 states have call successors, (787) [2023-04-01 07:19:07,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2798 states and 3715 transitions. [2023-04-01 07:19:07,564 INFO L78 Accepts]: Start accepts. Automaton has 2798 states and 3715 transitions. Word has length 186 [2023-04-01 07:19:07,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:07,567 INFO L495 AbstractCegarLoop]: Abstraction has 2798 states and 3715 transitions. [2023-04-01 07:19:07,567 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 07:19:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3715 transitions. [2023-04-01 07:19:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-04-01 07:19:07,575 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:07,575 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:07,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 07:19:07,576 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:07,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:07,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1016050101, now seen corresponding path program 1 times [2023-04-01 07:19:07,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:07,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374300822] [2023-04-01 07:19:07,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:07,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-04-01 07:19:08,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:08,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374300822] [2023-04-01 07:19:08,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374300822] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:08,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:08,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:19:08,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492392383] [2023-04-01 07:19:08,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:08,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:19:08,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:08,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:19:08,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:19:08,677 INFO L87 Difference]: Start difference. First operand 2798 states and 3715 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 07:19:09,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:09,530 INFO L93 Difference]: Finished difference Result 5418 states and 7200 transitions. [2023-04-01 07:19:09,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:19:09,530 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), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 200 [2023-04-01 07:19:09,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:09,565 INFO L225 Difference]: With dead ends: 5418 [2023-04-01 07:19:09,566 INFO L226 Difference]: Without dead ends: 5415 [2023-04-01 07:19:09,572 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 [2023-04-01 07:19:09,573 INFO L413 NwaCegarLoop]: 2083 mSDtfsCounter, 1796 mSDsluCounter, 1709 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 3792 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:09,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 3792 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 07:19:09,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5415 states. [2023-04-01 07:19:09,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5415 to 5403. [2023-04-01 07:19:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5403 states, 3261 states have (on average 1.2735357252376571) internal successors, (4153), 3335 states have internal predecessors, (4153), 1517 states have call successors, (1517), 632 states have call predecessors, (1517), 624 states have return successors, (1513), 1487 states have call predecessors, (1513), 1509 states have call successors, (1513) [2023-04-01 07:19:09,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5403 states to 5403 states and 7183 transitions. [2023-04-01 07:19:09,873 INFO L78 Accepts]: Start accepts. Automaton has 5403 states and 7183 transitions. Word has length 200 [2023-04-01 07:19:09,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:09,874 INFO L495 AbstractCegarLoop]: Abstraction has 5403 states and 7183 transitions. [2023-04-01 07:19:09,875 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), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 07:19:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5403 states and 7183 transitions. [2023-04-01 07:19:09,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-04-01 07:19:09,879 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:09,879 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:09,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 07:19:09,879 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:09,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:09,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1433649581, now seen corresponding path program 1 times [2023-04-01 07:19:09,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:09,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457852869] [2023-04-01 07:19:09,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:09,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-04-01 07:19:10,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:10,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457852869] [2023-04-01 07:19:10,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457852869] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:10,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:10,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:19:10,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461514914] [2023-04-01 07:19:10,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:10,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:19:10,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:10,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:19:10,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:19:10,550 INFO L87 Difference]: Start difference. First operand 5403 states and 7183 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 07:19:11,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:11,076 INFO L93 Difference]: Finished difference Result 5405 states and 7184 transitions. [2023-04-01 07:19:11,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:19:11,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 201 [2023-04-01 07:19:11,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:11,113 INFO L225 Difference]: With dead ends: 5405 [2023-04-01 07:19:11,113 INFO L226 Difference]: Without dead ends: 5402 [2023-04-01 07:19:11,120 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 [2023-04-01 07:19:11,123 INFO L413 NwaCegarLoop]: 1791 mSDtfsCounter, 1875 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:11,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 1792 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 07:19:11,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2023-04-01 07:19:11,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5402. [2023-04-01 07:19:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5402 states, 3261 states have (on average 1.2732290708371665) internal successors, (4152), 3334 states have internal predecessors, (4152), 1516 states have call successors, (1516), 632 states have call predecessors, (1516), 624 states have return successors, (1513), 1487 states have call predecessors, (1513), 1509 states have call successors, (1513) [2023-04-01 07:19:11,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 7181 transitions. [2023-04-01 07:19:11,544 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 7181 transitions. Word has length 201 [2023-04-01 07:19:11,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:11,545 INFO L495 AbstractCegarLoop]: Abstraction has 5402 states and 7181 transitions. [2023-04-01 07:19:11,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 07:19:11,545 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 7181 transitions. [2023-04-01 07:19:11,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-04-01 07:19:11,548 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:11,548 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:11,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 07:19:11,549 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:11,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:11,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1494326706, now seen corresponding path program 1 times [2023-04-01 07:19:11,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:11,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159261505] [2023-04-01 07:19:11,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:11,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:11,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-04-01 07:19:11,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:11,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159261505] [2023-04-01 07:19:11,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159261505] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:11,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:11,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:19:11,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036328759] [2023-04-01 07:19:11,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:11,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:19:11,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:11,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:19:11,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:19:11,805 INFO L87 Difference]: Start difference. First operand 5402 states and 7181 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 07:19:12,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:12,323 INFO L93 Difference]: Finished difference Result 5404 states and 7182 transitions. [2023-04-01 07:19:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:19:12,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 202 [2023-04-01 07:19:12,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:12,356 INFO L225 Difference]: With dead ends: 5404 [2023-04-01 07:19:12,357 INFO L226 Difference]: Without dead ends: 5401 [2023-04-01 07:19:12,363 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 [2023-04-01 07:19:12,363 INFO L413 NwaCegarLoop]: 1789 mSDtfsCounter, 1872 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:12,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1872 Valid, 1790 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 07:19:12,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5401 states. [2023-04-01 07:19:12,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5401 to 5401. [2023-04-01 07:19:12,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5401 states, 3261 states have (on average 1.272922416436676) internal successors, (4151), 3333 states have internal predecessors, (4151), 1515 states have call successors, (1515), 632 states have call predecessors, (1515), 624 states have return successors, (1513), 1487 states have call predecessors, (1513), 1509 states have call successors, (1513) [2023-04-01 07:19:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5401 states to 5401 states and 7179 transitions. [2023-04-01 07:19:12,797 INFO L78 Accepts]: Start accepts. Automaton has 5401 states and 7179 transitions. Word has length 202 [2023-04-01 07:19:12,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:12,798 INFO L495 AbstractCegarLoop]: Abstraction has 5401 states and 7179 transitions. [2023-04-01 07:19:12,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 07:19:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 5401 states and 7179 transitions. [2023-04-01 07:19:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-04-01 07:19:12,803 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:12,803 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:12,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 07:19:12,804 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:12,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:12,804 INFO L85 PathProgramCache]: Analyzing trace with hash 919654582, now seen corresponding path program 1 times [2023-04-01 07:19:12,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:12,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954396622] [2023-04-01 07:19:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:13,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-04-01 07:19:13,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:13,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954396622] [2023-04-01 07:19:13,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954396622] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:13,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:13,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:19:13,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125130422] [2023-04-01 07:19:13,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:13,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:19:13,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:13,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:19:13,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:19:13,089 INFO L87 Difference]: Start difference. First operand 5401 states and 7179 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 07:19:13,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:13,777 INFO L93 Difference]: Finished difference Result 5403 states and 7180 transitions. [2023-04-01 07:19:13,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:19:13,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 203 [2023-04-01 07:19:13,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:13,810 INFO L225 Difference]: With dead ends: 5403 [2023-04-01 07:19:13,811 INFO L226 Difference]: Without dead ends: 5400 [2023-04-01 07:19:13,818 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 [2023-04-01 07:19:13,818 INFO L413 NwaCegarLoop]: 1787 mSDtfsCounter, 1869 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1869 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:13,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1869 Valid, 1788 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 07:19:13,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5400 states. [2023-04-01 07:19:14,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5400 to 5400. [2023-04-01 07:19:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5400 states, 3261 states have (on average 1.2726157620361853) internal successors, (4150), 3332 states have internal predecessors, (4150), 1514 states have call successors, (1514), 632 states have call predecessors, (1514), 624 states have return successors, (1513), 1487 states have call predecessors, (1513), 1509 states have call successors, (1513) [2023-04-01 07:19:14,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5400 states to 5400 states and 7177 transitions. [2023-04-01 07:19:14,254 INFO L78 Accepts]: Start accepts. Automaton has 5400 states and 7177 transitions. Word has length 203 [2023-04-01 07:19:14,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:14,257 INFO L495 AbstractCegarLoop]: Abstraction has 5400 states and 7177 transitions. [2023-04-01 07:19:14,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 07:19:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 5400 states and 7177 transitions. [2023-04-01 07:19:14,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-01 07:19:14,262 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:14,262 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:14,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 07:19:14,262 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:14,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:14,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1556331951, now seen corresponding path program 1 times [2023-04-01 07:19:14,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:14,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213097601] [2023-04-01 07:19:14,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:14,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-04-01 07:19:14,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:14,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213097601] [2023-04-01 07:19:14,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213097601] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:14,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:14,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:19:14,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629661766] [2023-04-01 07:19:14,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:14,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:19:14,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:14,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:19:14,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:19:14,520 INFO L87 Difference]: Start difference. First operand 5400 states and 7177 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 07:19:15,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:15,176 INFO L93 Difference]: Finished difference Result 5402 states and 7178 transitions. [2023-04-01 07:19:15,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:19:15,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 204 [2023-04-01 07:19:15,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:15,217 INFO L225 Difference]: With dead ends: 5402 [2023-04-01 07:19:15,217 INFO L226 Difference]: Without dead ends: 5382 [2023-04-01 07:19:15,223 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 [2023-04-01 07:19:15,225 INFO L413 NwaCegarLoop]: 1786 mSDtfsCounter, 1866 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:15,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 1787 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 07:19:15,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5382 states. [2023-04-01 07:19:15,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5382 to 5382. [2023-04-01 07:19:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5382 states, 3251 states have (on average 1.2722239310981236) internal successors, (4136), 3321 states have internal predecessors, (4136), 1509 states have call successors, (1509), 628 states have call predecessors, (1509), 621 states have return successors, (1510), 1484 states have call predecessors, (1510), 1506 states have call successors, (1510) [2023-04-01 07:19:15,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5382 states to 5382 states and 7155 transitions. [2023-04-01 07:19:15,615 INFO L78 Accepts]: Start accepts. Automaton has 5382 states and 7155 transitions. Word has length 204 [2023-04-01 07:19:15,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:15,615 INFO L495 AbstractCegarLoop]: Abstraction has 5382 states and 7155 transitions. [2023-04-01 07:19:15,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 07:19:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 5382 states and 7155 transitions. [2023-04-01 07:19:15,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2023-04-01 07:19:15,631 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:15,632 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:15,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 07:19:15,632 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:15,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:15,633 INFO L85 PathProgramCache]: Analyzing trace with hash 649522279, now seen corresponding path program 1 times [2023-04-01 07:19:15,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:15,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103301826] [2023-04-01 07:19:15,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:15,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1238 trivial. 0 not checked. [2023-04-01 07:19:15,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:15,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103301826] [2023-04-01 07:19:15,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103301826] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:15,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:15,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:19:15,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633914473] [2023-04-01 07:19:15,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:15,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:19:15,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:15,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:19:15,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:19:15,967 INFO L87 Difference]: Start difference. First operand 5382 states and 7155 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2023-04-01 07:19:17,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:17,022 INFO L93 Difference]: Finished difference Result 12754 states and 17005 transitions. [2023-04-01 07:19:17,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:19:17,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 361 [2023-04-01 07:19:17,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:17,056 INFO L225 Difference]: With dead ends: 12754 [2023-04-01 07:19:17,057 INFO L226 Difference]: Without dead ends: 7430 [2023-04-01 07:19:17,075 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 [2023-04-01 07:19:17,075 INFO L413 NwaCegarLoop]: 1826 mSDtfsCounter, 788 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 3506 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:17,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 3506 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 07:19:17,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7430 states. [2023-04-01 07:19:17,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7430 to 7400. [2023-04-01 07:19:17,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7400 states, 4592 states have (on average 1.2889808362369337) internal successors, (5919), 4662 states have internal predecessors, (5919), 1987 states have call successors, (1987), 827 states have call predecessors, (1987), 820 states have return successors, (1988), 1962 states have call predecessors, (1988), 1984 states have call successors, (1988) [2023-04-01 07:19:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7400 states to 7400 states and 9894 transitions. [2023-04-01 07:19:17,525 INFO L78 Accepts]: Start accepts. Automaton has 7400 states and 9894 transitions. Word has length 361 [2023-04-01 07:19:17,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:17,526 INFO L495 AbstractCegarLoop]: Abstraction has 7400 states and 9894 transitions. [2023-04-01 07:19:17,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2023-04-01 07:19:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 7400 states and 9894 transitions. [2023-04-01 07:19:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2023-04-01 07:19:17,549 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:17,549 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:17,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 07:19:17,549 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:17,550 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:17,550 INFO L85 PathProgramCache]: Analyzing trace with hash -914666678, now seen corresponding path program 1 times [2023-04-01 07:19:17,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:17,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610000998] [2023-04-01 07:19:17,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:17,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1391 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1363 trivial. 0 not checked. [2023-04-01 07:19:17,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:17,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610000998] [2023-04-01 07:19:17,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610000998] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:17,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:17,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:19:17,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956392751] [2023-04-01 07:19:17,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:17,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:19:17,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:17,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:19:17,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:19:17,872 INFO L87 Difference]: Start difference. First operand 7400 states and 9894 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-04-01 07:19:18,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:18,655 INFO L93 Difference]: Finished difference Result 11673 states and 15599 transitions. [2023-04-01 07:19:18,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:19:18,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 400 [2023-04-01 07:19:18,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:18,688 INFO L225 Difference]: With dead ends: 11673 [2023-04-01 07:19:18,689 INFO L226 Difference]: Without dead ends: 4342 [2023-04-01 07:19:18,717 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 [2023-04-01 07:19:18,717 INFO L413 NwaCegarLoop]: 1785 mSDtfsCounter, 5 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3562 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:18,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3562 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 07:19:18,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2023-04-01 07:19:19,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 4337. [2023-04-01 07:19:19,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4337 states, 2700 states have (on average 1.288888888888889) internal successors, (3480), 2735 states have internal predecessors, (3480), 1157 states have call successors, (1157), 484 states have call predecessors, (1157), 479 states have return successors, (1156), 1143 states have call predecessors, (1156), 1154 states have call successors, (1156) [2023-04-01 07:19:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 5793 transitions. [2023-04-01 07:19:19,037 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 5793 transitions. Word has length 400 [2023-04-01 07:19:19,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:19,038 INFO L495 AbstractCegarLoop]: Abstraction has 4337 states and 5793 transitions. [2023-04-01 07:19:19,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-04-01 07:19:19,039 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 5793 transitions. [2023-04-01 07:19:19,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2023-04-01 07:19:19,061 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:19,061 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:19,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-01 07:19:19,062 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:19,062 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:19,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1514504727, now seen corresponding path program 1 times [2023-04-01 07:19:19,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:19,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165759865] [2023-04-01 07:19:19,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:19,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2733 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2711 trivial. 0 not checked. [2023-04-01 07:19:19,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:19,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165759865] [2023-04-01 07:19:19,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165759865] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:19,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:19,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 07:19:19,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799276156] [2023-04-01 07:19:19,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:19,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 07:19:19,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:19,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 07:19:19,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:19:19,671 INFO L87 Difference]: Start difference. First operand 4337 states and 5793 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (83), 3 states have call predecessors, (83), 2 states have call successors, (83) [2023-04-01 07:19:20,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:20,855 INFO L93 Difference]: Finished difference Result 8118 states and 10833 transitions. [2023-04-01 07:19:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 07:19:20,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (83), 3 states have call predecessors, (83), 2 states have call successors, (83) Word has length 481 [2023-04-01 07:19:20,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:20,872 INFO L225 Difference]: With dead ends: 8118 [2023-04-01 07:19:20,872 INFO L226 Difference]: Without dead ends: 4353 [2023-04-01 07:19:20,883 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 [2023-04-01 07:19:20,884 INFO L413 NwaCegarLoop]: 1781 mSDtfsCounter, 3 mSDsluCounter, 5313 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7094 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:20,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7094 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 07:19:20,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4353 states. [2023-04-01 07:19:21,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4353 to 4349. [2023-04-01 07:19:21,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 2708 states have (on average 1.2880354505169866) internal successors, (3488), 2744 states have internal predecessors, (3488), 1158 states have call successors, (1158), 484 states have call predecessors, (1158), 482 states have return successors, (1160), 1146 states have call predecessors, (1160), 1155 states have call successors, (1160) [2023-04-01 07:19:21,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 5806 transitions. [2023-04-01 07:19:21,113 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 5806 transitions. Word has length 481 [2023-04-01 07:19:21,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:21,114 INFO L495 AbstractCegarLoop]: Abstraction has 4349 states and 5806 transitions. [2023-04-01 07:19:21,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (83), 3 states have call predecessors, (83), 2 states have call successors, (83) [2023-04-01 07:19:21,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 5806 transitions. [2023-04-01 07:19:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2023-04-01 07:19:21,133 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:21,133 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:21,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-01 07:19:21,133 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:21,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:21,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1524593488, now seen corresponding path program 1 times [2023-04-01 07:19:21,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:21,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845177222] [2023-04-01 07:19:21,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:21,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:21,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2781 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2759 trivial. 0 not checked. [2023-04-01 07:19:21,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:21,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845177222] [2023-04-01 07:19:21,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845177222] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:21,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:21,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 07:19:21,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443552516] [2023-04-01 07:19:21,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:21,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 07:19:21,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:21,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 07:19:21,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 07:19:21,831 INFO L87 Difference]: Start difference. First operand 4349 states and 5806 transitions. Second operand has 6 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (96), 2 states have call predecessors, (96), 3 states have return successors, (93), 3 states have call predecessors, (93), 2 states have call successors, (93) [2023-04-01 07:19:22,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:22,982 INFO L93 Difference]: Finished difference Result 8138 states and 10858 transitions. [2023-04-01 07:19:22,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 07:19:22,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (96), 2 states have call predecessors, (96), 3 states have return successors, (93), 3 states have call predecessors, (93), 2 states have call successors, (93) Word has length 538 [2023-04-01 07:19:22,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:23,003 INFO L225 Difference]: With dead ends: 8138 [2023-04-01 07:19:23,004 INFO L226 Difference]: Without dead ends: 4361 [2023-04-01 07:19:23,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 07:19:23,020 INFO L413 NwaCegarLoop]: 1782 mSDtfsCounter, 4 mSDsluCounter, 7120 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8902 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:23,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8902 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 07:19:23,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4361 states. [2023-04-01 07:19:23,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4361 to 4357. [2023-04-01 07:19:23,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4357 states, 2714 states have (on average 1.2873986735445837) internal successors, (3494), 2750 states have internal predecessors, (3494), 1158 states have call successors, (1158), 484 states have call predecessors, (1158), 484 states have return successors, (1162), 1148 states have call predecessors, (1162), 1155 states have call successors, (1162) [2023-04-01 07:19:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4357 states to 4357 states and 5814 transitions. [2023-04-01 07:19:23,321 INFO L78 Accepts]: Start accepts. Automaton has 4357 states and 5814 transitions. Word has length 538 [2023-04-01 07:19:23,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:23,322 INFO L495 AbstractCegarLoop]: Abstraction has 4357 states and 5814 transitions. [2023-04-01 07:19:23,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (96), 2 states have call predecessors, (96), 3 states have return successors, (93), 3 states have call predecessors, (93), 2 states have call successors, (93) [2023-04-01 07:19:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 4357 states and 5814 transitions. [2023-04-01 07:19:23,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2023-04-01 07:19:23,341 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:23,342 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:23,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-01 07:19:23,342 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:23,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:23,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1378722854, now seen corresponding path program 1 times [2023-04-01 07:19:23,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:23,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842649943] [2023-04-01 07:19:23,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:23,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2781 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2759 trivial. 0 not checked. [2023-04-01 07:19:23,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:23,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842649943] [2023-04-01 07:19:23,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842649943] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:23,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:23,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 07:19:23,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046698596] [2023-04-01 07:19:23,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:23,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 07:19:23,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:23,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 07:19:23,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 07:19:23,981 INFO L87 Difference]: Start difference. First operand 4357 states and 5814 transitions. Second operand has 6 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 2 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (94), 3 states have call predecessors, (94), 2 states have call successors, (94) [2023-04-01 07:19:25,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:25,086 INFO L93 Difference]: Finished difference Result 8154 states and 10874 transitions. [2023-04-01 07:19:25,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 07:19:25,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 2 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (94), 3 states have call predecessors, (94), 2 states have call successors, (94) Word has length 542 [2023-04-01 07:19:25,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:25,108 INFO L225 Difference]: With dead ends: 8154 [2023-04-01 07:19:25,108 INFO L226 Difference]: Without dead ends: 4369 [2023-04-01 07:19:25,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 07:19:25,125 INFO L413 NwaCegarLoop]: 1782 mSDtfsCounter, 4 mSDsluCounter, 7120 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8902 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:25,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8902 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 07:19:25,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4369 states. [2023-04-01 07:19:25,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 4365. [2023-04-01 07:19:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4365 states, 2720 states have (on average 1.286764705882353) internal successors, (3500), 2756 states have internal predecessors, (3500), 1158 states have call successors, (1158), 484 states have call predecessors, (1158), 486 states have return successors, (1164), 1150 states have call predecessors, (1164), 1155 states have call successors, (1164) [2023-04-01 07:19:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4365 states to 4365 states and 5822 transitions. [2023-04-01 07:19:25,412 INFO L78 Accepts]: Start accepts. Automaton has 4365 states and 5822 transitions. Word has length 542 [2023-04-01 07:19:25,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:25,413 INFO L495 AbstractCegarLoop]: Abstraction has 4365 states and 5822 transitions. [2023-04-01 07:19:25,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 2 states have call successors, (97), 2 states have call predecessors, (97), 3 states have return successors, (94), 3 states have call predecessors, (94), 2 states have call successors, (94) [2023-04-01 07:19:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 4365 states and 5822 transitions. [2023-04-01 07:19:25,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2023-04-01 07:19:25,427 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:25,427 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:25,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-01 07:19:25,427 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:25,428 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:25,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1835564423, now seen corresponding path program 1 times [2023-04-01 07:19:25,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:25,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357485124] [2023-04-01 07:19:25,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:25,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2781 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 2749 trivial. 0 not checked. [2023-04-01 07:19:26,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:26,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357485124] [2023-04-01 07:19:26,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357485124] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 07:19:26,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665968452] [2023-04-01 07:19:26,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:26,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 07:19:26,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:19:26,871 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) [2023-04-01 07:19:26,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 07:19:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:28,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 5599 conjuncts, 19 conjunts are in the unsatisfiable core [2023-04-01 07:19:28,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 07:19:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2781 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2023-04-01 07:19:28,359 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 07:19:28,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665968452] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:28,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 07:19:28,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2023-04-01 07:19:28,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567702299] [2023-04-01 07:19:28,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:28,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 07:19:28,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:28,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 07:19:28,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:19:28,362 INFO L87 Difference]: Start difference. First operand 4365 states and 5822 transitions. Second operand has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 2 states have call successors, (98), 2 states have call predecessors, (98), 3 states have return successors, (95), 3 states have call predecessors, (95), 2 states have call successors, (95) [2023-04-01 07:19:29,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:29,426 INFO L93 Difference]: Finished difference Result 8166 states and 10892 transitions. [2023-04-01 07:19:29,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 07:19:29,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 2 states have call successors, (98), 2 states have call predecessors, (98), 3 states have return successors, (95), 3 states have call predecessors, (95), 2 states have call successors, (95) Word has length 546 [2023-04-01 07:19:29,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:29,450 INFO L225 Difference]: With dead ends: 8166 [2023-04-01 07:19:29,450 INFO L226 Difference]: Without dead ends: 4369 [2023-04-01 07:19:29,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:19:29,470 INFO L413 NwaCegarLoop]: 1781 mSDtfsCounter, 0 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7115 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:29,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7115 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 07:19:29,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4369 states. [2023-04-01 07:19:29,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 4369. [2023-04-01 07:19:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4369 states, 2722 states have (on average 1.286554004408523) internal successors, (3502), 2760 states have internal predecessors, (3502), 1158 states have call successors, (1158), 484 states have call predecessors, (1158), 488 states have return successors, (1172), 1150 states have call predecessors, (1172), 1155 states have call successors, (1172) [2023-04-01 07:19:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4369 states to 4369 states and 5832 transitions. [2023-04-01 07:19:29,751 INFO L78 Accepts]: Start accepts. Automaton has 4369 states and 5832 transitions. Word has length 546 [2023-04-01 07:19:29,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:29,752 INFO L495 AbstractCegarLoop]: Abstraction has 4369 states and 5832 transitions. [2023-04-01 07:19:29,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 2 states have call successors, (98), 2 states have call predecessors, (98), 3 states have return successors, (95), 3 states have call predecessors, (95), 2 states have call successors, (95) [2023-04-01 07:19:29,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4369 states and 5832 transitions. [2023-04-01 07:19:29,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2023-04-01 07:19:29,766 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:29,767 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:29,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 07:19:29,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-04-01 07:19:29,981 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:29,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:29,982 INFO L85 PathProgramCache]: Analyzing trace with hash 267195297, now seen corresponding path program 1 times [2023-04-01 07:19:29,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:29,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486475459] [2023-04-01 07:19:29,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:29,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:32,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2781 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 2749 trivial. 0 not checked. [2023-04-01 07:19:32,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:32,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486475459] [2023-04-01 07:19:32,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486475459] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 07:19:32,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430181995] [2023-04-01 07:19:32,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:32,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 07:19:32,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:19:32,353 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 07:19:32,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 07:19:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:33,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 5624 conjuncts, 71 conjunts are in the unsatisfiable core [2023-04-01 07:19:33,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 07:19:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2781 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 2725 trivial. 0 not checked. [2023-04-01 07:19:33,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 07:19:33,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430181995] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:33,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 07:19:33,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 11 [2023-04-01 07:19:33,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268129019] [2023-04-01 07:19:33,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:33,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 07:19:33,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:33,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 07:19:33,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-04-01 07:19:33,821 INFO L87 Difference]: Start difference. First operand 4369 states and 5832 transitions. Second operand has 11 states, 8 states have (on average 26.375) internal successors, (211), 7 states have internal predecessors, (211), 2 states have call successors, (99), 2 states have call predecessors, (99), 6 states have return successors, (96), 6 states have call predecessors, (96), 2 states have call successors, (96) [2023-04-01 07:19:35,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:35,527 INFO L93 Difference]: Finished difference Result 8186 states and 10919 transitions. [2023-04-01 07:19:35,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 07:19:35,528 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 26.375) internal successors, (211), 7 states have internal predecessors, (211), 2 states have call successors, (99), 2 states have call predecessors, (99), 6 states have return successors, (96), 6 states have call predecessors, (96), 2 states have call successors, (96) Word has length 550 [2023-04-01 07:19:35,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:35,549 INFO L225 Difference]: With dead ends: 8186 [2023-04-01 07:19:35,549 INFO L226 Difference]: Without dead ends: 4389 [2023-04-01 07:19:35,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-04-01 07:19:35,567 INFO L413 NwaCegarLoop]: 1781 mSDtfsCounter, 2 mSDsluCounter, 15995 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17776 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:35,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17776 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 07:19:35,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4389 states. [2023-04-01 07:19:35,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4389 to 4385. [2023-04-01 07:19:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4385 states, 2732 states have (on average 1.2855051244509517) internal successors, (3512), 2768 states have internal predecessors, (3512), 1158 states have call successors, (1158), 484 states have call predecessors, (1158), 494 states have return successors, (1183), 1158 states have call predecessors, (1183), 1155 states have call successors, (1183) [2023-04-01 07:19:35,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4385 states to 4385 states and 5853 transitions. [2023-04-01 07:19:35,835 INFO L78 Accepts]: Start accepts. Automaton has 4385 states and 5853 transitions. Word has length 550 [2023-04-01 07:19:35,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:35,836 INFO L495 AbstractCegarLoop]: Abstraction has 4385 states and 5853 transitions. [2023-04-01 07:19:35,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 26.375) internal successors, (211), 7 states have internal predecessors, (211), 2 states have call successors, (99), 2 states have call predecessors, (99), 6 states have return successors, (96), 6 states have call predecessors, (96), 2 states have call successors, (96) [2023-04-01 07:19:35,836 INFO L276 IsEmpty]: Start isEmpty. Operand 4385 states and 5853 transitions. [2023-04-01 07:19:35,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2023-04-01 07:19:35,849 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:35,850 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:35,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 07:19:36,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-01 07:19:36,066 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:36,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:36,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1730358085, now seen corresponding path program 2 times [2023-04-01 07:19:36,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:36,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248740064] [2023-04-01 07:19:36,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:36,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:37,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2785 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2023-04-01 07:19:37,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:37,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248740064] [2023-04-01 07:19:37,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248740064] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:19:37,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:19:37,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 07:19:37,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407976938] [2023-04-01 07:19:37,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:19:37,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 07:19:37,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:19:37,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 07:19:37,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:19:37,365 INFO L87 Difference]: Start difference. First operand 4385 states and 5853 transitions. Second operand has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 2 states have call successors, (99), 2 states have call predecessors, (99), 3 states have return successors, (96), 3 states have call predecessors, (96), 2 states have call successors, (96) [2023-04-01 07:19:38,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:19:38,267 INFO L93 Difference]: Finished difference Result 8210 states and 10952 transitions. [2023-04-01 07:19:38,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 07:19:38,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 2 states have call successors, (99), 2 states have call predecessors, (99), 3 states have return successors, (96), 3 states have call predecessors, (96), 2 states have call successors, (96) Word has length 554 [2023-04-01 07:19:38,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:19:38,292 INFO L225 Difference]: With dead ends: 8210 [2023-04-01 07:19:38,292 INFO L226 Difference]: Without dead ends: 4397 [2023-04-01 07:19:38,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:19:38,307 INFO L413 NwaCegarLoop]: 1780 mSDtfsCounter, 2 mSDsluCounter, 5332 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7112 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 07:19:38,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7112 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 07:19:38,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4397 states. [2023-04-01 07:19:38,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4397 to 4393. [2023-04-01 07:19:38,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4393 states, 2738 states have (on average 1.2848794740686633) internal successors, (3518), 2774 states have internal predecessors, (3518), 1158 states have call successors, (1158), 484 states have call predecessors, (1158), 496 states have return successors, (1185), 1160 states have call predecessors, (1185), 1155 states have call successors, (1185) [2023-04-01 07:19:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4393 states to 4393 states and 5861 transitions. [2023-04-01 07:19:38,588 INFO L78 Accepts]: Start accepts. Automaton has 4393 states and 5861 transitions. Word has length 554 [2023-04-01 07:19:38,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:19:38,589 INFO L495 AbstractCegarLoop]: Abstraction has 4393 states and 5861 transitions. [2023-04-01 07:19:38,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 2 states have call successors, (99), 2 states have call predecessors, (99), 3 states have return successors, (96), 3 states have call predecessors, (96), 2 states have call successors, (96) [2023-04-01 07:19:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4393 states and 5861 transitions. [2023-04-01 07:19:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2023-04-01 07:19:38,607 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:19:38,607 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 07:19:38,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-01 07:19:38,608 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:19:38,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:19:38,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1774018916, now seen corresponding path program 1 times [2023-04-01 07:19:38,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:19:38,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248738104] [2023-04-01 07:19:38,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:38,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:19:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:19:41,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2783 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 2751 trivial. 0 not checked. [2023-04-01 07:19:41,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:19:41,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248738104] [2023-04-01 07:19:41,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248738104] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 07:19:41,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636577213] [2023-04-01 07:19:41,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:19:41,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 07:19:41,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:19:41,066 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 07:19:41,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process