/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--media--rc--imon.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 04:39:37,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 04:39:37,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 04:39:37,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 04:39:37,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 04:39:37,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 04:39:37,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 04:39:37,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 04:39:37,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 04:39:37,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 04:39:37,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 04:39:37,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 04:39:37,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 04:39:37,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 04:39:37,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 04:39:37,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 04:39:37,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 04:39:37,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 04:39:37,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 04:39:37,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 04:39:37,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 04:39:37,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 04:39:37,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 04:39:37,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 04:39:37,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 04:39:37,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 04:39:37,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 04:39:37,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 04:39:37,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 04:39:37,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 04:39:37,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 04:39:37,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 04:39:37,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 04:39:37,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 04:39:37,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 04:39:37,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 04:39:37,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 04:39:37,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 04:39:37,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 04:39:37,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 04:39:37,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 04:39:37,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 04:39:37,635 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 04:39:37,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 04:39:37,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 04:39:37,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 04:39:37,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 04:39:37,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 04:39:37,637 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 04:39:37,637 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 04:39:37,637 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 04:39:37,637 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 04:39:37,637 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 04:39:37,637 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 04:39:37,638 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 04:39:37,638 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 04:39:37,638 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 04:39:37,638 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 04:39:37,638 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 04:39:37,638 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 04:39:37,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 04:39:37,638 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 04:39:37,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 04:39:37,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 04:39:37,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 04:39:37,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 04:39:37,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 04:39:37,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 04:39:37,639 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 04:39:37,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 04:39:37,639 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 04:39:37,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 04:39:37,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 04:39:37,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 04:39:37,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:39:37,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 04:39:37,640 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 04:39:37,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 04:39:37,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 04:39:37,640 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 04:39:37,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 04:39:37,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 04:39:37,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 04:39:37,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 04:39:37,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 04:39:37,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 04:39:37,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 04:39:37,825 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 04:39:37,825 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 04:39:37,826 INFO L432 ainManager$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--media--rc--imon.ko-entry_point.cil.out.i [2023-04-03 04:39:38,794 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 04:39:39,208 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 04:39:39,209 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--media--rc--imon.ko-entry_point.cil.out.i [2023-04-03 04:39:39,248 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d083f19/0cf581591de7495bbea02c01d4ef4c6a/FLAG45dbb1aa9 [2023-04-03 04:39:39,261 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d083f19/0cf581591de7495bbea02c01d4ef4c6a [2023-04-03 04:39:39,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 04:39:39,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 04:39:39,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 04:39:39,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 04:39:39,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 04:39:39,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:39:39" (1/1) ... [2023-04-03 04:39:39,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4492ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:39, skipping insertion in model container [2023-04-03 04:39:39,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:39:39" (1/1) ... [2023-04-03 04:39:39,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 04:39:39,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 04:39:40,111 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--media--rc--imon.ko-entry_point.cil.out.i[117505,117518] [2023-04-03 04:39:40,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:39:40,665 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 04:39:40,738 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--media--rc--imon.ko-entry_point.cil.out.i[117505,117518] [2023-04-03 04:39:40,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:39:40,976 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:39:40,977 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:39:40,982 INFO L208 MainTranslator]: Completed translation [2023-04-03 04:39:40,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:40 WrapperNode [2023-04-03 04:39:40,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 04:39:40,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 04:39:40,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 04:39:40,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 04:39:40,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:40" (1/1) ... [2023-04-03 04:39:40,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:40" (1/1) ... [2023-04-03 04:39:41,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:40" (1/1) ... [2023-04-03 04:39:41,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:40" (1/1) ... [2023-04-03 04:39:41,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:40" (1/1) ... [2023-04-03 04:39:41,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:40" (1/1) ... [2023-04-03 04:39:41,221 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:40" (1/1) ... [2023-04-03 04:39:41,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:40" (1/1) ... [2023-04-03 04:39:41,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 04:39:41,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 04:39:41,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 04:39:41,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 04:39:41,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:40" (1/1) ... [2023-04-03 04:39:41,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:39:41,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:39:41,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 04:39:41,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 04:39:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 04:39:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 04:39:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 04:39:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:39:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 04:39:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2023-04-03 04:39:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab64 [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-04-03 04:39:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 04:39:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-04-03 04:39:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-04-03 04:39:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-04-03 04:39:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_rel [2023-04-03 04:39:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-04-03 04:39:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-04-03 04:39:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-04-03 04:39:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2023-04-03 04:39:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-04-03 04:39:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-04-03 04:39:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-04-03 04:39:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure send_associate_24g [2023-04-03 04:39:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_imon_clock [2023-04-03 04:39:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure show_associate_remote [2023-04-03 04:39:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure store_associate_remote [2023-04-03 04:39:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure show_imon_clock [2023-04-03 04:39:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure store_imon_clock [2023-04-03 04:39:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2023-04-03 04:39:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2023-04-03 04:39:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_callback [2023-04-03 04:39:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_display_timeout [2023-04-03 04:39:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_ir_change_protocol [2023-04-03 04:39:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure tv2int [2023-04-03 04:39:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure stabilize [2023-04-03 04:39:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_remote_key_lookup [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mce_key_lookup [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_panel_key_lookup [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mouse_event [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_event [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_pad_to_keys [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_parse_press_type [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf0 [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf1 [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_get_ffdc_type [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_set_display_type [2023-04-03 04:39:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_rdev [2023-04-03 04:39:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_idev [2023-04-03 04:39:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_touch [2023-04-03 04:39:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-04-03 04:39:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf0 [2023-04-03 04:39:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf1 [2023-04-03 04:39:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_display [2023-04-03 04:39:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_probe [2023-04-03 04:39:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-04-03 04:39:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_suspend [2023-04-03 04:39:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2023-04-03 04:39:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_driver_init [2023-04-03 04:39:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_driver_exit [2023-04-03 04:39:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_4 [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_1 [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_3 [2023-04-03 04:39:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2023-04-03 04:39:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2023-04-03 04:39:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_6 [2023-04-03 04:39:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_7 [2023-04-03 04:39:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2023-04-03 04:39:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_9 [2023-04-03 04:39:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_10 [2023-04-03 04:39:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2023-04-03 04:39:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_12 [2023-04-03 04:39:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2023-04-03 04:39:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_14 [2023-04-03 04:39:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_16 [2023-04-03 04:39:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_17 [2023-04-03 04:39:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_18 [2023-04-03 04:39:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2023-04-03 04:39:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_20 [2023-04-03 04:39:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2023-04-03 04:39:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_23 [2023-04-03 04:39:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2023-04-03 04:39:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_26 [2023-04-03 04:39:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_29 [2023-04-03 04:39:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2023-04-03 04:39:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2023-04-03 04:39:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_36 [2023-04-03 04:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_37 [2023-04-03 04:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-04-03 04:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2023-04-03 04:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2023-04-03 04:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2023-04-03 04:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-04-03 04:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-04-03 04:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2023-04-03 04:39:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:39:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_4 [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 04:39:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_allocate_device [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_free_device [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_g_keycode_from_table [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keydown [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keyup [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_register_device [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-03 04:39:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-04-03 04:39:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-03 04:39:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2023-04-03 04:39:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-03 04:39:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 04:39:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 04:39:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 04:39:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 04:39:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-03 04:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 04:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 04:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 04:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 04:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 04:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 04:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 04:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 04:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 04:39:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab64 [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 04:39:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_1 [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_9 [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_29 [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 04:39:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-03 04:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 04:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 04:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 04:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2023-04-03 04:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-03 04:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-04-03 04:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 04:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2023-04-03 04:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 04:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 04:39:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 04:39:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 04:39:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_6 [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_26 [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_14 [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_20 [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2023-04-03 04:39:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_36 [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_37 [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_7 [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_12 [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_3 [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_17 [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_18 [2023-04-03 04:39:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_23 [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_10 [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_16 [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 04:39:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2023-04-03 04:39:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_4 [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_rel [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure rc_allocate_device [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure rc_free_device [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure rc_register_device [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2023-04-03 04:39:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keydown [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keyup [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure rc_g_keycode_from_table [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure imon_probe [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf0 [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf1 [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_callback [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure imon_suspend [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure send_associate_24g [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 04:39:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_imon_clock [2023-04-03 04:39:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure show_associate_remote [2023-04-03 04:39:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-03 04:39:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure store_associate_remote [2023-04-03 04:39:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure show_imon_clock [2023-04-03 04:39:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure store_imon_clock [2023-04-03 04:39:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_display_timeout [2023-04-03 04:39:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure imon_ir_change_protocol [2023-04-03 04:39:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure tv2int [2023-04-03 04:39:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure stabilize [2023-04-03 04:39:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure imon_remote_key_lookup [2023-04-03 04:39:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mce_key_lookup [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_panel_key_lookup [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mouse_event [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_event [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_pad_to_keys [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_parse_press_type [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_get_ffdc_type [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_set_display_type [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_rdev [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_idev [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_touch [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf0 [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf1 [2023-04-03 04:39:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_display [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure imon_driver_init [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure imon_driver_exit [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_4 [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 04:39:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 04:39:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 04:39:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 04:39:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 04:39:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 04:39:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 04:39:41,983 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 04:39:42,001 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 04:39:42,079 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 04:39:47,832 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-04-03 04:40:04,384 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 04:40:05,777 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 04:40:05,777 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 04:40:05,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:40:05 BoogieIcfgContainer [2023-04-03 04:40:05,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 04:40:05,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 04:40:05,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 04:40:05,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 04:40:05,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 04:39:39" (1/3) ... [2023-04-03 04:40:05,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723a2075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:40:05, skipping insertion in model container [2023-04-03 04:40:05,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:39:40" (2/3) ... [2023-04-03 04:40:05,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723a2075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:40:05, skipping insertion in model container [2023-04-03 04:40:05,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:40:05" (3/3) ... [2023-04-03 04:40:05,788 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-04-03 04:40:05,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 04:40:05,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 04:40:05,919 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 04:40:05,924 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;@311318c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 04:40:05,924 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 04:40:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 1726 states, 1022 states have (on average 1.2915851272015655) internal successors, (1320), 1068 states have internal predecessors, (1320), 517 states have call successors, (517), 180 states have call predecessors, (517), 178 states have return successors, (506), 499 states have call predecessors, (506), 506 states have call successors, (506) [2023-04-03 04:40:05,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-04-03 04:40:05,943 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:40:05,944 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:40:05,944 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:40:05,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:40:05,947 INFO L85 PathProgramCache]: Analyzing trace with hash -576383145, now seen corresponding path program 1 times [2023-04-03 04:40:05,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:40:05,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590887940] [2023-04-03 04:40:05,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:05,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:40:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:06,555 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-04-03 04:40:06,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:40:06,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590887940] [2023-04-03 04:40:06,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590887940] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:40:06,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:40:06,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:40:06,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853180606] [2023-04-03 04:40:06,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:40:06,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:40:06,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:40:06,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:40:06,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:06,585 INFO L87 Difference]: Start difference. First operand has 1726 states, 1022 states have (on average 1.2915851272015655) internal successors, (1320), 1068 states have internal predecessors, (1320), 517 states have call successors, (517), 180 states have call predecessors, (517), 178 states have return successors, (506), 499 states have call predecessors, (506), 506 states have call successors, (506) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-03 04:40:09,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:10,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:40:10,054 INFO L93 Difference]: Finished difference Result 4820 states and 6580 transitions. [2023-04-03 04:40:10,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:40:10,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 90 [2023-04-03 04:40:10,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:40:10,082 INFO L225 Difference]: With dead ends: 4820 [2023-04-03 04:40:10,083 INFO L226 Difference]: Without dead ends: 3168 [2023-04-03 04:40:10,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:10,094 INFO L413 NwaCegarLoop]: 2059 mSDtfsCounter, 2120 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2120 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-04-03 04:40:10,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2120 Valid, 4084 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-04-03 04:40:10,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2023-04-03 04:40:10,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3168. [2023-04-03 04:40:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3168 states, 1894 states have (on average 1.282998944033791) internal successors, (2430), 1951 states have internal predecessors, (2430), 941 states have call successors, (941), 335 states have call predecessors, (941), 332 states have return successors, (934), 921 states have call predecessors, (934), 934 states have call successors, (934) [2023-04-03 04:40:10,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 4305 transitions. [2023-04-03 04:40:10,300 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 4305 transitions. Word has length 90 [2023-04-03 04:40:10,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:40:10,302 INFO L495 AbstractCegarLoop]: Abstraction has 3168 states and 4305 transitions. [2023-04-03 04:40:10,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-03 04:40:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 4305 transitions. [2023-04-03 04:40:10,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-04-03 04:40:10,310 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:40:10,310 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:40:10,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 04:40:10,311 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:40:10,311 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:40:10,311 INFO L85 PathProgramCache]: Analyzing trace with hash -777319572, now seen corresponding path program 1 times [2023-04-03 04:40:10,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:40:10,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461660609] [2023-04-03 04:40:10,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:10,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:40:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-03 04:40:11,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:40:11,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461660609] [2023-04-03 04:40:11,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461660609] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:40:11,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:40:11,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:40:11,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996198303] [2023-04-03 04:40:11,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:40:11,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:40:11,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:40:11,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:40:11,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:11,234 INFO L87 Difference]: Start difference. First operand 3168 states and 4305 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:40:15,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:15,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:40:15,789 INFO L93 Difference]: Finished difference Result 5645 states and 7666 transitions. [2023-04-03 04:40:15,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:40:15,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 103 [2023-04-03 04:40:15,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:40:15,819 INFO L225 Difference]: With dead ends: 5645 [2023-04-03 04:40:15,819 INFO L226 Difference]: Without dead ends: 5642 [2023-04-03 04:40:15,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:15,824 INFO L413 NwaCegarLoop]: 2085 mSDtfsCounter, 1717 mSDsluCounter, 1985 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 4070 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-04-03 04:40:15,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1717 Valid, 4070 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 392 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-04-03 04:40:15,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5642 states. [2023-04-03 04:40:15,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5642 to 5630. [2023-04-03 04:40:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5630 states, 3386 states have (on average 1.2867690490253987) internal successors, (4357), 3490 states have internal predecessors, (4357), 1648 states have call successors, (1648), 607 states have call predecessors, (1648), 595 states have return successors, (1644), 1602 states have call predecessors, (1644), 1640 states have call successors, (1644) [2023-04-03 04:40:16,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5630 states to 5630 states and 7649 transitions. [2023-04-03 04:40:16,027 INFO L78 Accepts]: Start accepts. Automaton has 5630 states and 7649 transitions. Word has length 103 [2023-04-03 04:40:16,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:40:16,028 INFO L495 AbstractCegarLoop]: Abstraction has 5630 states and 7649 transitions. [2023-04-03 04:40:16,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:40:16,028 INFO L276 IsEmpty]: Start isEmpty. Operand 5630 states and 7649 transitions. [2023-04-03 04:40:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-04-03 04:40:16,031 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:40:16,031 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:40:16,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 04:40:16,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:40:16,031 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:40:16,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1671976583, now seen corresponding path program 1 times [2023-04-03 04:40:16,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:40:16,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572169959] [2023-04-03 04:40:16,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:16,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:40:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-03 04:40:16,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:40:16,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572169959] [2023-04-03 04:40:16,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572169959] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:40:16,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:40:16,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:40:16,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503198591] [2023-04-03 04:40:16,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:40:16,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:40:16,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:40:16,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:40:16,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:16,771 INFO L87 Difference]: Start difference. First operand 5630 states and 7649 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:40:19,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:40:19,593 INFO L93 Difference]: Finished difference Result 13490 states and 18330 transitions. [2023-04-03 04:40:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:40:19,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 104 [2023-04-03 04:40:19,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:40:19,634 INFO L225 Difference]: With dead ends: 13490 [2023-04-03 04:40:19,634 INFO L226 Difference]: Without dead ends: 7891 [2023-04-03 04:40:19,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:19,658 INFO L413 NwaCegarLoop]: 2098 mSDtfsCounter, 1571 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-03 04:40:19,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1571 Valid, 4084 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-04-03 04:40:19,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7891 states. [2023-04-03 04:40:19,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7891 to 7881. [2023-04-03 04:40:19,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7881 states, 4759 states have (on average 1.289556629544022) internal successors, (6137), 4904 states have internal predecessors, (6137), 2283 states have call successors, (2283), 857 states have call predecessors, (2283), 838 states have return successors, (2280), 2215 states have call predecessors, (2280), 2274 states have call successors, (2280) [2023-04-03 04:40:19,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7881 states to 7881 states and 10700 transitions. [2023-04-03 04:40:19,949 INFO L78 Accepts]: Start accepts. Automaton has 7881 states and 10700 transitions. Word has length 104 [2023-04-03 04:40:19,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:40:19,950 INFO L495 AbstractCegarLoop]: Abstraction has 7881 states and 10700 transitions. [2023-04-03 04:40:19,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:40:19,950 INFO L276 IsEmpty]: Start isEmpty. Operand 7881 states and 10700 transitions. [2023-04-03 04:40:19,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-04-03 04:40:19,956 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:40:19,956 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:40:19,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 04:40:19,957 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:40:19,957 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:40:19,957 INFO L85 PathProgramCache]: Analyzing trace with hash 290750927, now seen corresponding path program 1 times [2023-04-03 04:40:19,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:40:19,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640926349] [2023-04-03 04:40:19,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:19,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:40:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-03 04:40:20,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:40:20,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640926349] [2023-04-03 04:40:20,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640926349] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:40:20,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:40:20,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:40:20,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407267797] [2023-04-03 04:40:20,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:40:20,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:40:20,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:40:20,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:40:20,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:20,286 INFO L87 Difference]: Start difference. First operand 7881 states and 10700 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:40:23,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:40:23,318 INFO L93 Difference]: Finished difference Result 7889 states and 10707 transitions. [2023-04-03 04:40:23,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:40:23,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 105 [2023-04-03 04:40:23,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:40:23,355 INFO L225 Difference]: With dead ends: 7889 [2023-04-03 04:40:23,355 INFO L226 Difference]: Without dead ends: 7886 [2023-04-03 04:40:23,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:23,365 INFO L413 NwaCegarLoop]: 2099 mSDtfsCounter, 1568 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1568 SdHoareTripleChecker+Valid, 4081 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-04-03 04:40:23,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 4081 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-04-03 04:40:23,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7886 states. [2023-04-03 04:40:23,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7886 to 7882. [2023-04-03 04:40:23,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7882 states, 4760 states have (on average 1.2894957983193278) internal successors, (6138), 4905 states have internal predecessors, (6138), 2283 states have call successors, (2283), 857 states have call predecessors, (2283), 838 states have return successors, (2280), 2215 states have call predecessors, (2280), 2274 states have call successors, (2280) [2023-04-03 04:40:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7882 states to 7882 states and 10701 transitions. [2023-04-03 04:40:23,668 INFO L78 Accepts]: Start accepts. Automaton has 7882 states and 10701 transitions. Word has length 105 [2023-04-03 04:40:23,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:40:23,668 INFO L495 AbstractCegarLoop]: Abstraction has 7882 states and 10701 transitions. [2023-04-03 04:40:23,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:40:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 7882 states and 10701 transitions. [2023-04-03 04:40:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-04-03 04:40:23,671 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:40:23,671 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:40:23,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 04:40:23,671 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:40:23,671 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:40:23,671 INFO L85 PathProgramCache]: Analyzing trace with hash 422433418, now seen corresponding path program 1 times [2023-04-03 04:40:23,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:40:23,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563967755] [2023-04-03 04:40:23,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:23,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:40:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-03 04:40:23,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:40:23,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563967755] [2023-04-03 04:40:23,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563967755] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:40:23,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:40:23,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:40:23,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638065907] [2023-04-03 04:40:23,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:40:23,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:40:23,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:40:23,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:40:23,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:23,851 INFO L87 Difference]: Start difference. First operand 7882 states and 10701 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:40:25,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:40:25,338 INFO L93 Difference]: Finished difference Result 7884 states and 10702 transitions. [2023-04-03 04:40:25,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:40:25,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 106 [2023-04-03 04:40:25,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:40:25,375 INFO L225 Difference]: With dead ends: 7884 [2023-04-03 04:40:25,375 INFO L226 Difference]: Without dead ends: 7881 [2023-04-03 04:40:25,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:25,382 INFO L413 NwaCegarLoop]: 2024 mSDtfsCounter, 2175 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2175 SdHoareTripleChecker+Valid, 2025 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-03 04:40:25,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2175 Valid, 2025 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-03 04:40:25,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7881 states. [2023-04-03 04:40:25,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7881 to 7881. [2023-04-03 04:40:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7881 states, 4760 states have (on average 1.2892857142857144) internal successors, (6137), 4904 states have internal predecessors, (6137), 2282 states have call successors, (2282), 857 states have call predecessors, (2282), 838 states have return successors, (2280), 2215 states have call predecessors, (2280), 2274 states have call successors, (2280) [2023-04-03 04:40:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7881 states to 7881 states and 10699 transitions. [2023-04-03 04:40:25,724 INFO L78 Accepts]: Start accepts. Automaton has 7881 states and 10699 transitions. Word has length 106 [2023-04-03 04:40:25,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:40:25,726 INFO L495 AbstractCegarLoop]: Abstraction has 7881 states and 10699 transitions. [2023-04-03 04:40:25,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:40:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 7881 states and 10699 transitions. [2023-04-03 04:40:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-04-03 04:40:25,728 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:40:25,728 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:40:25,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 04:40:25,728 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:40:25,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:40:25,729 INFO L85 PathProgramCache]: Analyzing trace with hash 209628210, now seen corresponding path program 1 times [2023-04-03 04:40:25,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:40:25,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908810174] [2023-04-03 04:40:25,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:25,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:40:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:25,898 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-04-03 04:40:25,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:40:25,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908810174] [2023-04-03 04:40:25,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908810174] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:40:25,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:40:25,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:40:25,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413278794] [2023-04-03 04:40:25,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:40:25,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:40:25,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:40:25,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:40:25,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:25,900 INFO L87 Difference]: Start difference. First operand 7881 states and 10699 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:40:27,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:40:27,377 INFO L93 Difference]: Finished difference Result 7883 states and 10700 transitions. [2023-04-03 04:40:27,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:40:27,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2023-04-03 04:40:27,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:40:27,406 INFO L225 Difference]: With dead ends: 7883 [2023-04-03 04:40:27,406 INFO L226 Difference]: Without dead ends: 7863 [2023-04-03 04:40:27,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:27,412 INFO L413 NwaCegarLoop]: 2023 mSDtfsCounter, 2172 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2172 SdHoareTripleChecker+Valid, 2024 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-03 04:40:27,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2172 Valid, 2024 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-03 04:40:27,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7863 states. [2023-04-03 04:40:27,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7863 to 7863. [2023-04-03 04:40:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7863 states, 4750 states have (on average 1.2892631578947369) internal successors, (6124), 4893 states have internal predecessors, (6124), 2277 states have call successors, (2277), 853 states have call predecessors, (2277), 835 states have return successors, (2277), 2212 states have call predecessors, (2277), 2271 states have call successors, (2277) [2023-04-03 04:40:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7863 states to 7863 states and 10678 transitions. [2023-04-03 04:40:27,728 INFO L78 Accepts]: Start accepts. Automaton has 7863 states and 10678 transitions. Word has length 107 [2023-04-03 04:40:27,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:40:27,728 INFO L495 AbstractCegarLoop]: Abstraction has 7863 states and 10678 transitions. [2023-04-03 04:40:27,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-04-03 04:40:27,728 INFO L276 IsEmpty]: Start isEmpty. Operand 7863 states and 10678 transitions. [2023-04-03 04:40:27,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-03 04:40:27,735 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:40:27,735 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2023-04-03 04:40:27,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 04:40:27,735 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:40:27,736 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:40:27,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1635726273, now seen corresponding path program 1 times [2023-04-03 04:40:27,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:40:27,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842857077] [2023-04-03 04:40:27,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:27,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:40:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-04-03 04:40:27,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:40:27,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842857077] [2023-04-03 04:40:27,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842857077] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:40:27,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:40:27,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:40:27,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628238919] [2023-04-03 04:40:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:40:27,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:40:27,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:40:27,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:40:27,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:27,914 INFO L87 Difference]: Start difference. First operand 7863 states and 10678 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 04:40:30,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:40:30,753 INFO L93 Difference]: Finished difference Result 21766 states and 29572 transitions. [2023-04-03 04:40:30,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:40:30,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 180 [2023-04-03 04:40:30,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:40:30,797 INFO L225 Difference]: With dead ends: 21766 [2023-04-03 04:40:30,797 INFO L226 Difference]: Without dead ends: 13934 [2023-04-03 04:40:30,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:30,824 INFO L413 NwaCegarLoop]: 2084 mSDtfsCounter, 1438 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 4046 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-03 04:40:30,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 4046 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-04-03 04:40:30,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13934 states. [2023-04-03 04:40:31,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13934 to 13882. [2023-04-03 04:40:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13882 states, 8437 states have (on average 1.296195330093635) internal successors, (10936), 8694 states have internal predecessors, (10936), 3965 states have call successors, (3965), 1497 states have call predecessors, (3965), 1479 states have return successors, (3965), 3864 states have call predecessors, (3965), 3959 states have call successors, (3965) [2023-04-03 04:40:31,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13882 states to 13882 states and 18866 transitions. [2023-04-03 04:40:31,492 INFO L78 Accepts]: Start accepts. Automaton has 13882 states and 18866 transitions. Word has length 180 [2023-04-03 04:40:31,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:40:31,492 INFO L495 AbstractCegarLoop]: Abstraction has 13882 states and 18866 transitions. [2023-04-03 04:40:31,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 04:40:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand 13882 states and 18866 transitions. [2023-04-03 04:40:31,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-03 04:40:31,507 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:40:31,507 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:40:31,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 04:40:31,507 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:40:31,508 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:40:31,508 INFO L85 PathProgramCache]: Analyzing trace with hash 676095283, now seen corresponding path program 1 times [2023-04-03 04:40:31,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:40:31,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116657996] [2023-04-03 04:40:31,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:31,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:40:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:31,727 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-04-03 04:40:31,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:40:31,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116657996] [2023-04-03 04:40:31,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116657996] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:40:31,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:40:31,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:40:31,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928673016] [2023-04-03 04:40:31,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:40:31,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:40:31,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:40:31,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:40:31,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:31,729 INFO L87 Difference]: Start difference. First operand 13882 states and 18866 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 04:40:33,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:40:33,044 INFO L93 Difference]: Finished difference Result 21946 states and 29802 transitions. [2023-04-03 04:40:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:40:33,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 213 [2023-04-03 04:40:33,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:40:33,070 INFO L225 Difference]: With dead ends: 21946 [2023-04-03 04:40:33,071 INFO L226 Difference]: Without dead ends: 8105 [2023-04-03 04:40:33,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:40:33,105 INFO L413 NwaCegarLoop]: 2019 mSDtfsCounter, 2207 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2207 SdHoareTripleChecker+Valid, 2030 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 04:40:33,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2207 Valid, 2030 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 04:40:33,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8105 states. [2023-04-03 04:40:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8105 to 8094. [2023-04-03 04:40:33,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8094 states, 4912 states have (on average 1.294788273615635) internal successors, (6360), 5062 states have internal predecessors, (6360), 2308 states have call successors, (2308), 884 states have call predecessors, (2308), 873 states have return successors, (2305), 2247 states have call predecessors, (2305), 2302 states have call successors, (2305) [2023-04-03 04:40:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8094 states to 8094 states and 10973 transitions. [2023-04-03 04:40:33,496 INFO L78 Accepts]: Start accepts. Automaton has 8094 states and 10973 transitions. Word has length 213 [2023-04-03 04:40:33,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:40:33,496 INFO L495 AbstractCegarLoop]: Abstraction has 8094 states and 10973 transitions. [2023-04-03 04:40:33,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 04:40:33,497 INFO L276 IsEmpty]: Start isEmpty. Operand 8094 states and 10973 transitions. [2023-04-03 04:40:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-04-03 04:40:33,510 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:40:33,511 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:40:33,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 04:40:33,511 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:40:33,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:40:33,511 INFO L85 PathProgramCache]: Analyzing trace with hash -784189784, now seen corresponding path program 1 times [2023-04-03 04:40:33,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:40:33,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649075577] [2023-04-03 04:40:33,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:33,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:40:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2023-04-03 04:40:34,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:40:34,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649075577] [2023-04-03 04:40:34,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649075577] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 04:40:34,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990136616] [2023-04-03 04:40:34,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:34,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 04:40:34,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:40:34,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 04:40:34,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 04:40:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:35,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 5053 conjuncts, 42 conjunts are in the unsatisfiable core [2023-04-03 04:40:35,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 04:40:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2023-04-03 04:40:35,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 04:40:35,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990136616] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:40:35,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 04:40:35,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-04-03 04:40:35,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791296781] [2023-04-03 04:40:35,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:40:35,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 04:40:35,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:40:35,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 04:40:35,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-04-03 04:40:35,768 INFO L87 Difference]: Start difference. First operand 8094 states and 10973 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (47), 2 states have call predecessors, (47), 3 states have call successors, (47) [2023-04-03 04:40:41,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:44,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 04:40:44,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:40:44,914 INFO L93 Difference]: Finished difference Result 16151 states and 21899 transitions. [2023-04-03 04:40:44,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 04:40:44,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (47), 2 states have call predecessors, (47), 3 states have call successors, (47) Word has length 263 [2023-04-03 04:40:44,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:40:44,945 INFO L225 Difference]: With dead ends: 16151 [2023-04-03 04:40:44,945 INFO L226 Difference]: Without dead ends: 8096 [2023-04-03 04:40:44,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-04-03 04:40:44,976 INFO L413 NwaCegarLoop]: 2018 mSDtfsCounter, 1547 mSDsluCounter, 4103 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 6121 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-03 04:40:44,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 6121 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2057 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2023-04-03 04:40:44,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8096 states. [2023-04-03 04:40:45,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8096 to 8095. [2023-04-03 04:40:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8095 states, 4913 states have (on average 1.29472827193161) internal successors, (6361), 5063 states have internal predecessors, (6361), 2308 states have call successors, (2308), 884 states have call predecessors, (2308), 873 states have return successors, (2305), 2247 states have call predecessors, (2305), 2302 states have call successors, (2305) [2023-04-03 04:40:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8095 states to 8095 states and 10974 transitions. [2023-04-03 04:40:45,414 INFO L78 Accepts]: Start accepts. Automaton has 8095 states and 10974 transitions. Word has length 263 [2023-04-03 04:40:45,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:40:45,416 INFO L495 AbstractCegarLoop]: Abstraction has 8095 states and 10974 transitions. [2023-04-03 04:40:45,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (47), 2 states have call predecessors, (47), 3 states have call successors, (47) [2023-04-03 04:40:45,416 INFO L276 IsEmpty]: Start isEmpty. Operand 8095 states and 10974 transitions. [2023-04-03 04:40:45,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-04-03 04:40:45,429 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:40:45,429 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:40:45,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 04:40:45,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 04:40:45,649 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:40:45,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:40:45,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1172988407, now seen corresponding path program 1 times [2023-04-03 04:40:45,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:40:45,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760864755] [2023-04-03 04:40:45,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:45,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:40:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:46,559 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-04-03 04:40:46,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:40:46,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760864755] [2023-04-03 04:40:46,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760864755] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 04:40:46,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127096036] [2023-04-03 04:40:46,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:40:46,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 04:40:46,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:40:46,561 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) [2023-04-03 04:40:46,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 04:40:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:40:47,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 5068 conjuncts, 97 conjunts are in the unsatisfiable core [2023-04-03 04:40:47,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 04:40:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-04-03 04:40:49,114 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 04:40:51,031 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-04-03 04:40:51,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127096036] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 04:40:51,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1312362536] [2023-04-03 04:40:51,053 INFO L159 IcfgInterpreter]: Started Sifa with 182 locations of interest [2023-04-03 04:40:51,053 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 04:40:51,056 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 04:40:51,059 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 04:40:51,059 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 04:41:40,851 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 304 for LOIs [2023-04-03 04:42:01,054 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 334 for LOIs