/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 IntervalDomain -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 01:16:07,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 01:16:07,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 01:16:07,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 01:16:07,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 01:16:07,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 01:16:07,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 01:16:07,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 01:16:07,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 01:16:07,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 01:16:07,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 01:16:07,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 01:16:07,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 01:16:07,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 01:16:07,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 01:16:07,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 01:16:07,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 01:16:07,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 01:16:07,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 01:16:07,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 01:16:07,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 01:16:07,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 01:16:07,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 01:16:07,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 01:16:07,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 01:16:07,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 01:16:07,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 01:16:07,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 01:16:07,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 01:16:07,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 01:16:07,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 01:16:07,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 01:16:07,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 01:16:07,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 01:16:07,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 01:16:07,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 01:16:07,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 01:16:07,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 01:16:07,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 01:16:07,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 01:16:07,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 01:16:07,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 01:16:07,542 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 01:16:07,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 01:16:07,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 01:16:07,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 01:16:07,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 01:16:07,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 01:16:07,544 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 01:16:07,544 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 01:16:07,544 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 01:16:07,544 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 01:16:07,545 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 01:16:07,545 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 01:16:07,545 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 01:16:07,545 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 01:16:07,545 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 01:16:07,545 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 01:16:07,546 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 01:16:07,546 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 01:16:07,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 01:16:07,546 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 01:16:07,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 01:16:07,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 01:16:07,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 01:16:07,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 01:16:07,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 01:16:07,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 01:16:07,547 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 01:16:07,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 01:16:07,548 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 01:16:07,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 01:16:07,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 01:16:07,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 01:16:07,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:16:07,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 01:16:07,549 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 01:16:07,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 01:16:07,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 01:16:07,549 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 01:16:07,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 01:16:07,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 01:16:07,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 01:16:07,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-04-01 01:16:07,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 01:16:07,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 01:16:07,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 01:16:07,763 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 01:16:07,764 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 01:16:07,765 INFO L432 ainManager$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--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2023-04-01 01:16:09,032 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 01:16:09,575 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 01:16:09,575 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--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2023-04-01 01:16:09,614 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09cc9f5fd/310a78cffb644e4399cd9f99c9268514/FLAG7ae88b9de [2023-04-01 01:16:09,630 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09cc9f5fd/310a78cffb644e4399cd9f99c9268514 [2023-04-01 01:16:09,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 01:16:09,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 01:16:09,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 01:16:09,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 01:16:09,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 01:16:09,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:16:09" (1/1) ... [2023-04-01 01:16:09,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718b178e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:09, skipping insertion in model container [2023-04-01 01:16:09,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:16:09" (1/1) ... [2023-04-01 01:16:09,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 01:16:09,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 01:16:10,640 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--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2023-04-01 01:16:11,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:16:11,168 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 01:16:11,306 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--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2023-04-01 01:16:11,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:16:11,526 WARN L667 CHandler]: The function __VERIFIER_nondet_u8 is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 01:16:11,532 INFO L208 MainTranslator]: Completed translation [2023-04-01 01:16:11,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:11 WrapperNode [2023-04-01 01:16:11,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 01:16:11,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 01:16:11,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 01:16:11,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 01:16:11,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:11" (1/1) ... [2023-04-01 01:16:11,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:11" (1/1) ... [2023-04-01 01:16:11,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:11" (1/1) ... [2023-04-01 01:16:11,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:11" (1/1) ... [2023-04-01 01:16:11,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:11" (1/1) ... [2023-04-01 01:16:11,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:11" (1/1) ... [2023-04-01 01:16:11,774 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:11" (1/1) ... [2023-04-01 01:16:11,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:11" (1/1) ... [2023-04-01 01:16:11,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 01:16:11,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 01:16:11,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 01:16:11,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 01:16:11,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:11" (1/1) ... [2023-04-01 01:16:11,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:16:11,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:16:11,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 01:16:11,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 01:16:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 01:16:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 01:16:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 01:16:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 01:16:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2023-04-01 01:16:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-01 01:16:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-04-01 01:16:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-04-01 01:16:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-01 01:16:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-01 01:16:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-01 01:16:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-04-01 01:16:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-04-01 01:16:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2023-04-01 01:16:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-01 01:16:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-01 01:16:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 01:16:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-01 01:16:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 01:16:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 01:16:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 01:16:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 01:16:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 01:16:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 01:16:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 01:16:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 01:16:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-01 01:16:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-01 01:16:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-01 01:16:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-04-01 01:16:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2023-04-01 01:16:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pm_wakeup_card_complete [2023-04-01 01:16:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_recv [2023-04-01 01:16:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_complete [2023-04-01 01:16:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_tx_complete [2023-04-01 01:16:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2023-04-01 01:16:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_free [2023-04-01 01:16:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_probe [2023-04-01 01:16:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_suspend [2023-04-01 01:16:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2023-04-01 01:16:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2023-04-01 01:16:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_tx_init [2023-04-01 01:16:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_init [2023-04-01 01:16:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_data_sync [2023-04-01 01:16:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_read_data_sync [2023-04-01 01:16:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_host_to_card [2023-04-01 01:16:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_register_dev [2023-04-01 01:16:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_unregister_dev [2023-04-01 01:16:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_prog_fw_w_helper [2023-04-01 01:16:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_dnld_fw [2023-04-01 01:16:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_submit_rx_urb [2023-04-01 01:16:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2023-04-01 01:16:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_data_complete [2023-04-01 01:16:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pm_wakeup_card [2023-04-01 01:16:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_init_module [2023-04-01 01:16:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cleanup_module [2023-04-01 01:16:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2023-04-01 01:16:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_mwifiex_if_ops_1 [2023-04-01 01:16:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_9 [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_10 [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_14 [2023-04-01 01:16:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_15 [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_16 [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_17 [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_18 [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_22 [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-04-01 01:16:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 01:16:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_add_card [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_cancel_hs [2023-04-01 01:16:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_deauthenticate [2023-04-01 01:16:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_enable_hs [2023-04-01 01:16:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_init_shutdown_fw [2023-04-01 01:16:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_process_hs_config [2023-04-01 01:16:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_process_sleep_confirm_resp [2023-04-01 01:16:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_remove_card [2023-04-01 01:16:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_data_complete [2023-04-01 01:16:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-01 01:16:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-04-01 01:16:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 01:16:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-01 01:16:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-04-01 01:16:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-04-01 01:16:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-01 01:16:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-04-01 01:16:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-04-01 01:16:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-04-01 01:16:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-04-01 01:16:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-01 01:16:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_autosuspend [2023-04-01 01:16:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-01 01:16:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-01 01:16:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2023-04-01 01:16:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-04-01 01:16:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 01:16:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 01:16:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 01:16:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 01:16:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-01 01:16:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 01:16:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 01:16:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 01:16:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 01:16:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-01 01:16:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2023-04-01 01:16:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_10 [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_9 [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_14 [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2023-04-01 01:16:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_autosuspend [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_22 [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_15 [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_16 [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_17 [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_18 [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2023-04-01 01:16:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-04-01 01:16:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 01:16:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_mwifiex_if_ops_1 [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-04-01 01:16:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_data_complete [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_process_sleep_confirm_resp [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_process_hs_config [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_deauthenticate [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2023-04-01 01:16:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_init_shutdown_fw [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_add_card [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_remove_card [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_cancel_hs [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_enable_hs [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pm_wakeup_card_complete [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_recv [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_complete [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_tx_complete [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_free [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_probe [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_suspend [2023-04-01 01:16:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_tx_init [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_init [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_data_sync [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_read_data_sync [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_host_to_card [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_register_dev [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_unregister_dev [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_prog_fw_w_helper [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_dnld_fw [2023-04-01 01:16:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_submit_rx_urb [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_data_complete [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pm_wakeup_card [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_init_module [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cleanup_module [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2023-04-01 01:16:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 01:16:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 01:16:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 01:16:12,485 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 01:16:12,494 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 01:16:12,730 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 01:16:13,971 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-04-01 01:16:17,163 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 01:16:17,531 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 01:16:17,532 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 01:16:17,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:16:17 BoogieIcfgContainer [2023-04-01 01:16:17,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 01:16:17,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 01:16:17,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 01:16:17,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 01:16:17,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:16:09" (1/3) ... [2023-04-01 01:16:17,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9e3ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:16:17, skipping insertion in model container [2023-04-01 01:16:17,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:11" (2/3) ... [2023-04-01 01:16:17,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9e3ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:16:17, skipping insertion in model container [2023-04-01 01:16:17,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:16:17" (3/3) ... [2023-04-01 01:16:17,543 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2023-04-01 01:16:17,560 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 01:16:17,560 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 01:16:17,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 01:16:17,628 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;@5f336cbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 01:16:17,629 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 01:16:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 1128 states, 685 states have (on average 1.3124087591240876) internal successors, (899), 717 states have internal predecessors, (899), 313 states have call successors, (313), 125 states have call predecessors, (313), 123 states have return successors, (305), 296 states have call predecessors, (305), 305 states have call successors, (305) [2023-04-01 01:16:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-04-01 01:16:17,653 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:17,654 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:17,655 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:17,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:17,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1966067404, now seen corresponding path program 1 times [2023-04-01 01:16:17,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:17,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833922621] [2023-04-01 01:16:17,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:17,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-01 01:16:18,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:18,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833922621] [2023-04-01 01:16:18,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833922621] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:18,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:18,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:18,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188028434] [2023-04-01 01:16:18,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:18,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:18,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:18,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:18,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:18,341 INFO L87 Difference]: Start difference. First operand has 1128 states, 685 states have (on average 1.3124087591240876) internal successors, (899), 717 states have internal predecessors, (899), 313 states have call successors, (313), 125 states have call predecessors, (313), 123 states have return successors, (305), 296 states have call predecessors, (305), 305 states have call successors, (305) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 01:16:19,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:19,324 INFO L93 Difference]: Finished difference Result 3193 states and 4340 transitions. [2023-04-01 01:16:19,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:19,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2023-04-01 01:16:19,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:19,350 INFO L225 Difference]: With dead ends: 3193 [2023-04-01 01:16:19,351 INFO L226 Difference]: Without dead ends: 2075 [2023-04-01 01:16:19,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:19,363 INFO L413 NwaCegarLoop]: 1373 mSDtfsCounter, 1386 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1386 SdHoareTripleChecker+Valid, 2684 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:19,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1386 Valid, 2684 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 01:16:19,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2023-04-01 01:16:19,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 2075. [2023-04-01 01:16:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2075 states, 1279 states have (on average 1.3049257232212665) internal successors, (1669), 1316 states have internal predecessors, (1669), 572 states have call successors, (572), 226 states have call predecessors, (572), 223 states have return successors, (565), 547 states have call predecessors, (565), 565 states have call successors, (565) [2023-04-01 01:16:19,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 2806 transitions. [2023-04-01 01:16:19,518 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 2806 transitions. Word has length 59 [2023-04-01 01:16:19,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:19,519 INFO L495 AbstractCegarLoop]: Abstraction has 2075 states and 2806 transitions. [2023-04-01 01:16:19,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 01:16:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2806 transitions. [2023-04-01 01:16:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-04-01 01:16:19,525 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:19,525 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:19,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 01:16:19,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:19,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:19,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1250688434, now seen corresponding path program 1 times [2023-04-01 01:16:19,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:19,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297196509] [2023-04-01 01:16:19,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:19,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-01 01:16:20,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:20,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297196509] [2023-04-01 01:16:20,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297196509] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:20,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:20,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:20,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273784091] [2023-04-01 01:16:20,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:20,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:20,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:20,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:20,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:20,466 INFO L87 Difference]: Start difference. First operand 2075 states and 2806 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, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:16:21,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:21,629 INFO L93 Difference]: Finished difference Result 4022 states and 5445 transitions. [2023-04-01 01:16:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:21,630 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, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 84 [2023-04-01 01:16:21,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:21,656 INFO L225 Difference]: With dead ends: 4022 [2023-04-01 01:16:21,656 INFO L226 Difference]: Without dead ends: 4019 [2023-04-01 01:16:21,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:21,665 INFO L413 NwaCegarLoop]: 1382 mSDtfsCounter, 1369 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 2705 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:21,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1369 Valid, 2705 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 01:16:21,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4019 states. [2023-04-01 01:16:21,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4019 to 4007. [2023-04-01 01:16:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4007 states, 2474 states have (on average 1.305578011317704) internal successors, (3230), 2546 states have internal predecessors, (3230), 1102 states have call successors, (1102), 440 states have call predecessors, (1102), 430 states have return successors, (1096), 1050 states have call predecessors, (1096), 1094 states have call successors, (1096) [2023-04-01 01:16:21,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 4007 states and 5428 transitions. [2023-04-01 01:16:21,878 INFO L78 Accepts]: Start accepts. Automaton has 4007 states and 5428 transitions. Word has length 84 [2023-04-01 01:16:21,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:21,880 INFO L495 AbstractCegarLoop]: Abstraction has 4007 states and 5428 transitions. [2023-04-01 01:16:21,880 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, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:16:21,881 INFO L276 IsEmpty]: Start isEmpty. Operand 4007 states and 5428 transitions. [2023-04-01 01:16:21,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-04-01 01:16:21,885 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:21,885 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:21,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 01:16:21,886 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:21,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:21,888 INFO L85 PathProgramCache]: Analyzing trace with hash 115998397, now seen corresponding path program 1 times [2023-04-01 01:16:21,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:21,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337794449] [2023-04-01 01:16:21,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:21,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-01 01:16:22,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:22,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337794449] [2023-04-01 01:16:22,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337794449] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:22,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:22,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:22,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095916825] [2023-04-01 01:16:22,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:22,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:22,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:22,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:22,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:22,551 INFO L87 Difference]: Start difference. First operand 4007 states and 5428 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, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:16:24,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 01:16:24,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:24,731 INFO L93 Difference]: Finished difference Result 11968 states and 16247 transitions. [2023-04-01 01:16:24,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:24,732 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, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 85 [2023-04-01 01:16:24,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:24,777 INFO L225 Difference]: With dead ends: 11968 [2023-04-01 01:16:24,777 INFO L226 Difference]: Without dead ends: 7977 [2023-04-01 01:16:24,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:24,796 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 1440 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:24,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 2667 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-01 01:16:24,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7977 states. [2023-04-01 01:16:25,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7977 to 7964. [2023-04-01 01:16:25,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7964 states, 4921 states have (on average 1.305832147937411) internal successors, (6426), 5065 states have internal predecessors, (6426), 2192 states have call successors, (2192), 876 states have call predecessors, (2192), 850 states have return successors, (2190), 2082 states have call predecessors, (2190), 2182 states have call successors, (2190) [2023-04-01 01:16:25,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7964 states to 7964 states and 10808 transitions. [2023-04-01 01:16:25,267 INFO L78 Accepts]: Start accepts. Automaton has 7964 states and 10808 transitions. Word has length 85 [2023-04-01 01:16:25,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:25,267 INFO L495 AbstractCegarLoop]: Abstraction has 7964 states and 10808 transitions. [2023-04-01 01:16:25,268 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, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:16:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 7964 states and 10808 transitions. [2023-04-01 01:16:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-04-01 01:16:25,271 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:25,271 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:25,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 01:16:25,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:25,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:25,273 INFO L85 PathProgramCache]: Analyzing trace with hash -699649515, now seen corresponding path program 1 times [2023-04-01 01:16:25,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:25,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331593244] [2023-04-01 01:16:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:25,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:25,615 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-01 01:16:25,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:25,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331593244] [2023-04-01 01:16:25,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331593244] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:25,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:25,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:25,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974462413] [2023-04-01 01:16:25,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:25,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:25,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:25,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:25,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:25,618 INFO L87 Difference]: Start difference. First operand 7964 states and 10808 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:16:27,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:27,181 INFO L93 Difference]: Finished difference Result 11912 states and 16274 transitions. [2023-04-01 01:16:27,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:27,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 86 [2023-04-01 01:16:27,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:27,255 INFO L225 Difference]: With dead ends: 11912 [2023-04-01 01:16:27,256 INFO L226 Difference]: Without dead ends: 11909 [2023-04-01 01:16:27,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:27,271 INFO L413 NwaCegarLoop]: 1344 mSDtfsCounter, 1431 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 2680 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:27,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 2680 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 01:16:27,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11909 states. [2023-04-01 01:16:27,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11909 to 11882. [2023-04-01 01:16:27,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11882 states, 7349 states have (on average 1.3067083957000953) internal successors, (9603), 7569 states have internal predecessors, (9603), 3270 states have call successors, (3270), 1304 states have call predecessors, (3270), 1262 states have return successors, (3364), 3098 states have call predecessors, (3364), 3258 states have call successors, (3364) [2023-04-01 01:16:28,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11882 states to 11882 states and 16237 transitions. [2023-04-01 01:16:28,164 INFO L78 Accepts]: Start accepts. Automaton has 11882 states and 16237 transitions. Word has length 86 [2023-04-01 01:16:28,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:28,164 INFO L495 AbstractCegarLoop]: Abstraction has 11882 states and 16237 transitions. [2023-04-01 01:16:28,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:16:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 11882 states and 16237 transitions. [2023-04-01 01:16:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-04-01 01:16:28,167 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:28,168 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:28,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 01:16:28,168 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:28,168 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:28,168 INFO L85 PathProgramCache]: Analyzing trace with hash -214926144, now seen corresponding path program 1 times [2023-04-01 01:16:28,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:28,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749495249] [2023-04-01 01:16:28,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:28,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:28,363 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-01 01:16:28,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:28,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749495249] [2023-04-01 01:16:28,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749495249] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:28,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:28,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:28,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235106854] [2023-04-01 01:16:28,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:28,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:28,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:28,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:28,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:28,365 INFO L87 Difference]: Start difference. First operand 11882 states and 16237 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:16:29,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:29,503 INFO L93 Difference]: Finished difference Result 11884 states and 16238 transitions. [2023-04-01 01:16:29,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:29,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 87 [2023-04-01 01:16:29,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:29,561 INFO L225 Difference]: With dead ends: 11884 [2023-04-01 01:16:29,561 INFO L226 Difference]: Without dead ends: 11881 [2023-04-01 01:16:29,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:29,571 INFO L413 NwaCegarLoop]: 1342 mSDtfsCounter, 1446 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:29,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 1343 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 01:16:29,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11881 states. [2023-04-01 01:16:30,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11881 to 11881. [2023-04-01 01:16:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11881 states, 7349 states have (on average 1.3065723227650021) internal successors, (9602), 7568 states have internal predecessors, (9602), 3269 states have call successors, (3269), 1304 states have call predecessors, (3269), 1262 states have return successors, (3364), 3098 states have call predecessors, (3364), 3258 states have call successors, (3364) [2023-04-01 01:16:30,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11881 states to 11881 states and 16235 transitions. [2023-04-01 01:16:30,190 INFO L78 Accepts]: Start accepts. Automaton has 11881 states and 16235 transitions. Word has length 87 [2023-04-01 01:16:30,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:30,190 INFO L495 AbstractCegarLoop]: Abstraction has 11881 states and 16235 transitions. [2023-04-01 01:16:30,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:16:30,191 INFO L276 IsEmpty]: Start isEmpty. Operand 11881 states and 16235 transitions. [2023-04-01 01:16:30,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-01 01:16:30,198 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:30,198 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:30,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 01:16:30,198 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:30,199 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:30,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1926601336, now seen corresponding path program 1 times [2023-04-01 01:16:30,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:30,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059273117] [2023-04-01 01:16:30,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:30,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:30,403 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-01 01:16:30,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:30,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059273117] [2023-04-01 01:16:30,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059273117] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:30,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:30,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:30,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705690362] [2023-04-01 01:16:30,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:30,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:30,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:30,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:30,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:30,406 INFO L87 Difference]: Start difference. First operand 11881 states and 16235 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:16:31,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:31,471 INFO L93 Difference]: Finished difference Result 11883 states and 16236 transitions. [2023-04-01 01:16:31,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:31,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 88 [2023-04-01 01:16:31,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:31,541 INFO L225 Difference]: With dead ends: 11883 [2023-04-01 01:16:31,541 INFO L226 Difference]: Without dead ends: 11848 [2023-04-01 01:16:31,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:31,552 INFO L413 NwaCegarLoop]: 1341 mSDtfsCounter, 1443 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:31,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 1342 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 01:16:31,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2023-04-01 01:16:32,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11848. [2023-04-01 01:16:32,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 7328 states have (on average 1.306359170305677) internal successors, (9573), 7547 states have internal predecessors, (9573), 3262 states have call successors, (3262), 1299 states have call predecessors, (3262), 1257 states have return successors, (3357), 3091 states have call predecessors, (3357), 3253 states have call successors, (3357) [2023-04-01 01:16:32,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 16192 transitions. [2023-04-01 01:16:32,248 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 16192 transitions. Word has length 88 [2023-04-01 01:16:32,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:32,249 INFO L495 AbstractCegarLoop]: Abstraction has 11848 states and 16192 transitions. [2023-04-01 01:16:32,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-04-01 01:16:32,250 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 16192 transitions. [2023-04-01 01:16:32,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-01 01:16:32,259 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:32,259 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2023-04-01 01:16:32,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 01:16:32,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:32,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:32,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1280673974, now seen corresponding path program 1 times [2023-04-01 01:16:32,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:32,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124517817] [2023-04-01 01:16:32,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:32,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-01 01:16:32,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:32,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124517817] [2023-04-01 01:16:32,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124517817] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:32,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:32,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:32,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104910859] [2023-04-01 01:16:32,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:32,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:32,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:32,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:32,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:32,447 INFO L87 Difference]: Start difference. First operand 11848 states and 16192 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-01 01:16:34,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:34,337 INFO L93 Difference]: Finished difference Result 32381 states and 44005 transitions. [2023-04-01 01:16:34,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:34,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 130 [2023-04-01 01:16:34,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:34,442 INFO L225 Difference]: With dead ends: 32381 [2023-04-01 01:16:34,442 INFO L226 Difference]: Without dead ends: 20549 [2023-04-01 01:16:34,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:34,492 INFO L413 NwaCegarLoop]: 1482 mSDtfsCounter, 1056 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 2773 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:34,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 2773 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 01:16:34,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20549 states. [2023-04-01 01:16:35,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20549 to 20526. [2023-04-01 01:16:35,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20526 states, 12639 states have (on average 1.2992325342194795) internal successors, (16421), 13050 states have internal predecessors, (16421), 5611 states have call successors, (5611), 2334 states have call predecessors, (5611), 2275 states have return successors, (5764), 5309 states have call predecessors, (5764), 5602 states have call successors, (5764) [2023-04-01 01:16:35,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20526 states to 20526 states and 27796 transitions. [2023-04-01 01:16:35,874 INFO L78 Accepts]: Start accepts. Automaton has 20526 states and 27796 transitions. Word has length 130 [2023-04-01 01:16:35,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:35,874 INFO L495 AbstractCegarLoop]: Abstraction has 20526 states and 27796 transitions. [2023-04-01 01:16:35,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-01 01:16:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 20526 states and 27796 transitions. [2023-04-01 01:16:35,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-01 01:16:35,892 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:35,892 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 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] [2023-04-01 01:16:35,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 01:16:35,892 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:35,893 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:35,893 INFO L85 PathProgramCache]: Analyzing trace with hash 801491567, now seen corresponding path program 1 times [2023-04-01 01:16:35,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:35,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702778251] [2023-04-01 01:16:35,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:35,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-04-01 01:16:36,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:36,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702778251] [2023-04-01 01:16:36,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702778251] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:36,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:36,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 01:16:36,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263498589] [2023-04-01 01:16:36,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:36,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 01:16:36,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:36,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 01:16:36,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 01:16:36,348 INFO L87 Difference]: Start difference. First operand 20526 states and 27796 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 01:16:37,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 01:16:40,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:40,447 INFO L93 Difference]: Finished difference Result 33544 states and 45265 transitions. [2023-04-01 01:16:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 01:16:40,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) Word has length 169 [2023-04-01 01:16:40,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:40,504 INFO L225 Difference]: With dead ends: 33544 [2023-04-01 01:16:40,504 INFO L226 Difference]: Without dead ends: 13031 [2023-04-01 01:16:40,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 01:16:40,571 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 13 mSDsluCounter, 5341 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 6679 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:40,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 6679 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-04-01 01:16:40,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13031 states. [2023-04-01 01:16:41,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13031 to 12812. [2023-04-01 01:16:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12812 states, 7858 states have (on average 1.2940951896156783) internal successors, (10169), 8124 states have internal predecessors, (10169), 3476 states have call successors, (3476), 1508 states have call predecessors, (3476), 1477 states have return successors, (3571), 3287 states have call predecessors, (3571), 3467 states have call successors, (3571) [2023-04-01 01:16:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12812 states to 12812 states and 17216 transitions. [2023-04-01 01:16:41,230 INFO L78 Accepts]: Start accepts. Automaton has 12812 states and 17216 transitions. Word has length 169 [2023-04-01 01:16:41,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:41,231 INFO L495 AbstractCegarLoop]: Abstraction has 12812 states and 17216 transitions. [2023-04-01 01:16:41,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 01:16:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 12812 states and 17216 transitions. [2023-04-01 01:16:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-01 01:16:41,244 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:41,244 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2023-04-01 01:16:41,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-01 01:16:41,245 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:41,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:41,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1862083514, now seen corresponding path program 1 times [2023-04-01 01:16:41,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:41,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875395316] [2023-04-01 01:16:41,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:41,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-01 01:16:41,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:41,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875395316] [2023-04-01 01:16:41,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875395316] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:41,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:41,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:41,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845022429] [2023-04-01 01:16:41,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:41,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:41,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:41,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:41,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:41,574 INFO L87 Difference]: Start difference. First operand 12812 states and 17216 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 01:16:43,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:43,434 INFO L93 Difference]: Finished difference Result 31443 states and 42123 transitions. [2023-04-01 01:16:43,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:43,435 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 172 [2023-04-01 01:16:43,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:43,531 INFO L225 Difference]: With dead ends: 31443 [2023-04-01 01:16:43,532 INFO L226 Difference]: Without dead ends: 18588 [2023-04-01 01:16:43,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:43,782 INFO L413 NwaCegarLoop]: 1855 mSDtfsCounter, 1135 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:43,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 3155 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 01:16:43,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18588 states. [2023-04-01 01:16:44,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18588 to 18136. [2023-04-01 01:16:44,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18136 states, 11142 states have (on average 1.2960868784778317) internal successors, (14441), 11539 states have internal predecessors, (14441), 4874 states have call successors, (4874), 2177 states have call predecessors, (4874), 2119 states have return successors, (5019), 4563 states have call predecessors, (5019), 4865 states have call successors, (5019) [2023-04-01 01:16:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18136 states to 18136 states and 24334 transitions. [2023-04-01 01:16:44,872 INFO L78 Accepts]: Start accepts. Automaton has 18136 states and 24334 transitions. Word has length 172 [2023-04-01 01:16:44,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:44,872 INFO L495 AbstractCegarLoop]: Abstraction has 18136 states and 24334 transitions. [2023-04-01 01:16:44,873 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 01:16:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 18136 states and 24334 transitions. [2023-04-01 01:16:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-04-01 01:16:44,883 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:44,883 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 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] [2023-04-01 01:16:44,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-01 01:16:44,883 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:44,884 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:44,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1160535889, now seen corresponding path program 1 times [2023-04-01 01:16:44,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:44,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366804962] [2023-04-01 01:16:44,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:44,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-01 01:16:45,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:45,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366804962] [2023-04-01 01:16:45,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366804962] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:45,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:45,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 01:16:45,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215954221] [2023-04-01 01:16:45,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:45,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 01:16:45,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:45,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 01:16:45,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 01:16:45,519 INFO L87 Difference]: Start difference. First operand 18136 states and 24334 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 01:16:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:47,579 INFO L93 Difference]: Finished difference Result 36270 states and 48674 transitions. [2023-04-01 01:16:47,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 01:16:47,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 170 [2023-04-01 01:16:47,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:47,661 INFO L225 Difference]: With dead ends: 36270 [2023-04-01 01:16:47,662 INFO L226 Difference]: Without dead ends: 18161 [2023-04-01 01:16:47,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:16:47,708 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 5 mSDsluCounter, 2671 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4009 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:47,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4009 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 01:16:47,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18161 states. [2023-04-01 01:16:48,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18161 to 18137. [2023-04-01 01:16:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18137 states, 11143 states have (on average 1.296060306919142) internal successors, (14442), 11540 states have internal predecessors, (14442), 4874 states have call successors, (4874), 2177 states have call predecessors, (4874), 2119 states have return successors, (5019), 4563 states have call predecessors, (5019), 4865 states have call successors, (5019) [2023-04-01 01:16:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18137 states to 18137 states and 24335 transitions. [2023-04-01 01:16:48,694 INFO L78 Accepts]: Start accepts. Automaton has 18137 states and 24335 transitions. Word has length 170 [2023-04-01 01:16:48,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:48,695 INFO L495 AbstractCegarLoop]: Abstraction has 18137 states and 24335 transitions. [2023-04-01 01:16:48,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 01:16:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 18137 states and 24335 transitions. [2023-04-01 01:16:48,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-01 01:16:48,710 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:48,710 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 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] [2023-04-01 01:16:48,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-01 01:16:48,711 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:48,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:48,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1802302341, now seen corresponding path program 1 times [2023-04-01 01:16:48,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:48,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314410583] [2023-04-01 01:16:48,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:48,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-04-01 01:16:49,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:49,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314410583] [2023-04-01 01:16:49,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314410583] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 01:16:49,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057966035] [2023-04-01 01:16:49,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:49,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:16:49,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:16:49,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 01:16:49,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 01:16:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:50,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 2954 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-01 01:16:50,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:16:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-04-01 01:16:50,387 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 01:16:50,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057966035] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:50,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 01:16:50,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 01:16:50,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434724709] [2023-04-01 01:16:50,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:50,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:50,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:50,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:50,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-04-01 01:16:50,389 INFO L87 Difference]: Start difference. First operand 18137 states and 24335 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 01:16:51,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:51,263 INFO L93 Difference]: Finished difference Result 28785 states and 38659 transitions. [2023-04-01 01:16:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:51,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 176 [2023-04-01 01:16:51,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:51,304 INFO L225 Difference]: With dead ends: 28785 [2023-04-01 01:16:51,304 INFO L226 Difference]: Without dead ends: 10693 [2023-04-01 01:16:51,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-04-01 01:16:51,346 INFO L413 NwaCegarLoop]: 1389 mSDtfsCounter, 1357 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1357 SdHoareTripleChecker+Valid, 1471 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:51,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1357 Valid, 1471 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 01:16:51,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10693 states. [2023-04-01 01:16:51,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10693 to 10661. [2023-04-01 01:16:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10661 states, 6551 states have (on average 1.2946115096931765) internal successors, (8481), 6768 states have internal predecessors, (8481), 2886 states have call successors, (2886), 1253 states have call predecessors, (2886), 1223 states have return successors, (2965), 2729 states have call predecessors, (2965), 2877 states have call successors, (2965) [2023-04-01 01:16:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10661 states to 10661 states and 14332 transitions. [2023-04-01 01:16:51,983 INFO L78 Accepts]: Start accepts. Automaton has 10661 states and 14332 transitions. Word has length 176 [2023-04-01 01:16:51,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:51,986 INFO L495 AbstractCegarLoop]: Abstraction has 10661 states and 14332 transitions. [2023-04-01 01:16:51,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-04-01 01:16:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 10661 states and 14332 transitions. [2023-04-01 01:16:51,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-04-01 01:16:51,995 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:51,995 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 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] [2023-04-01 01:16:52,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-01 01:16:52,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-04-01 01:16:52,209 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:52,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:52,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1429993195, now seen corresponding path program 1 times [2023-04-01 01:16:52,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:52,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187194519] [2023-04-01 01:16:52,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:52,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-04-01 01:16:52,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:52,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187194519] [2023-04-01 01:16:52,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187194519] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 01:16:52,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002320391] [2023-04-01 01:16:52,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:52,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:16:52,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:16:52,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 01:16:52,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process