/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 08:31:50,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 08:31:50,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 08:31:50,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 08:31:50,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 08:31:50,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 08:31:50,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 08:31:50,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 08:31:50,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 08:31:50,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 08:31:50,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 08:31:50,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 08:31:50,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 08:31:50,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 08:31:50,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 08:31:50,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 08:31:50,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 08:31:50,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 08:31:50,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 08:31:50,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 08:31:50,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 08:31:50,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 08:31:50,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 08:31:50,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 08:31:50,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 08:31:50,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 08:31:50,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 08:31:50,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 08:31:50,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 08:31:50,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 08:31:50,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 08:31:50,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 08:31:50,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 08:31:50,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 08:31:50,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 08:31:50,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 08:31:50,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 08:31:50,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 08:31:50,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 08:31:50,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 08:31:50,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 08:31:50,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 08:31:50,567 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 08:31:50,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 08:31:50,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 08:31:50,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 08:31:50,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 08:31:50,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 08:31:50,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 08:31:50,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 08:31:50,570 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 08:31:50,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 08:31:50,571 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 08:31:50,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 08:31:50,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 08:31:50,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 08:31:50,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 08:31:50,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 08:31:50,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 08:31:50,572 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 08:31:50,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 08:31:50,572 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 08:31:50,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 08:31:50,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 08:31:50,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 08:31:50,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 08:31:50,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:31:50,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 08:31:50,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 08:31:50,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 08:31:50,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 08:31:50,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 08:31:50,573 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 08:31:50,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 08:31:50,574 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 08:31:50,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 08:31:50,574 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 08:31:50,574 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 08:31:50,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 08:31:50,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 08:31:50,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 08:31:50,802 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 08:31:50,802 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 08:31:50,803 INFO L432 ainManager$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--usb--smsc95xx.ko-entry_point.cil.out.i [2023-04-02 08:31:52,014 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 08:31:52,557 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 08:31:52,558 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--usb--smsc95xx.ko-entry_point.cil.out.i [2023-04-02 08:31:52,597 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4c721ea/4e15355bad394546a5c595c9db41ff59/FLAG9b412eebd [2023-04-02 08:31:52,612 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4c721ea/4e15355bad394546a5c595c9db41ff59 [2023-04-02 08:31:52,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 08:31:52,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 08:31:52,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 08:31:52,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 08:31:52,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 08:31:52,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:31:52" (1/1) ... [2023-04-02 08:31:52,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da8121e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:52, skipping insertion in model container [2023-04-02 08:31:52,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:31:52" (1/1) ... [2023-04-02 08:31:52,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 08:31:52,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 08:31:53,486 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--usb--smsc95xx.ko-entry_point.cil.out.i[158290,158303] [2023-04-02 08:31:54,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:31:54,594 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 08:31:54,690 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--usb--smsc95xx.ko-entry_point.cil.out.i[158290,158303] [2023-04-02 08:31:54,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:31:55,056 WARN L667 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 08:31:55,062 INFO L208 MainTranslator]: Completed translation [2023-04-02 08:31:55,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:55 WrapperNode [2023-04-02 08:31:55,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 08:31:55,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 08:31:55,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 08:31:55,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 08:31:55,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:55" (1/1) ... [2023-04-02 08:31:55,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:55" (1/1) ... [2023-04-02 08:31:55,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:55" (1/1) ... [2023-04-02 08:31:55,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:55" (1/1) ... [2023-04-02 08:31:55,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:55" (1/1) ... [2023-04-02 08:31:55,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:55" (1/1) ... [2023-04-02 08:31:55,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:55" (1/1) ... [2023-04-02 08:31:55,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:55" (1/1) ... [2023-04-02 08:31:55,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 08:31:55,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 08:31:55,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 08:31:55,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 08:31:55,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:55" (1/1) ... [2023-04-02 08:31:55,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:31:55,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:31:55,447 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) [2023-04-02 08:31:55,477 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 [2023-04-02 08:31:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 08:31:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 08:31:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2023-04-02 08:31:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 08:31:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 08:31:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-02 08:31:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 08:31:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 08:31:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 08:31:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 08:31:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 08:31:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 08:31:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 08:31:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 08:31:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 08:31:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 08:31:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 08:31:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 08:31:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 08:31:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-02 08:31:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_fold [2023-04-02 08:31:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-04-02 08:31:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-04-02 08:31:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2023-04-02 08:31:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2023-04-02 08:31:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-04-02 08:31:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2023-04-02 08:31:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-04-02 08:31:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-02 08:31:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-02 08:31:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-04-02 08:31:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2023-04-02 08:31:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-04-02 08:31:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2023-04-02 08:31:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2023-04-02 08:31:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-02 08:31:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_resolve_flowctrl_fdx [2023-04-02 08:31:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_read_reg [2023-04-02 08:31:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_write_reg [2023-04-02 08:31:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg_nopm [2023-04-02 08:31:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_nopm [2023-04-02 08:31:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg [2023-04-02 08:31:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg [2023-04-02 08:31:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_phy_wait_not_busy [2023-04-02 08:31:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_read [2023-04-02 08:31:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_write [2023-04-02 08:31:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read_nopm [2023-04-02 08:31:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write_nopm [2023-04-02 08:31:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read [2023-04-02 08:31:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write [2023-04-02 08:31:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_wait_eeprom [2023-04-02 08:31:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_eeprom_confirm_not_busy [2023-04-02 08:31:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_eeprom [2023-04-02 08:31:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_eeprom [2023-04-02 08:31:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_async [2023-04-02 08:31:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_hash [2023-04-02 08:31:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_multicast [2023-04-02 08:31:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_phy_update_flowcontrol [2023-04-02 08:31:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_reset [2023-04-02 08:31:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_status [2023-04-02 08:31:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_features [2023-04-02 08:31:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_eeprom_len [2023-04-02 08:31:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_eeprom [2023-04-02 08:31:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_set_eeprom [2023-04-02 08:31:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_getregslen [2023-04-02 08:31:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_getregs [2023-04-02 08:31:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_wol [2023-04-02 08:31:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_set_wol [2023-04-02 08:31:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ioctl [2023-04-02 08:31:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_init_mac_address [2023-04-02 08:31:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_mac_address [2023-04-02 08:31:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_tx_path [2023-04-02 08:31:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_rx_path [2023-04-02 08:31:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_phy_initialize [2023-04-02 08:31:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_reset [2023-04-02 08:31:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_bind [2023-04-02 08:31:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_unbind [2023-04-02 08:31:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2023-04-02 08:31:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enable_phy_wakeup_interrupts [2023-04-02 08:31:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_ok_nopm [2023-04-02 08:31:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend0 [2023-04-02 08:31:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend1 [2023-04-02 08:31:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend2 [2023-04-02 08:31:55,503 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend3 [2023-04-02 08:31:55,503 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_autosuspend [2023-04-02 08:31:55,503 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_suspend [2023-04-02 08:31:55,503 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_resume [2023-04-02 08:31:55,503 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_csum_offload [2023-04-02 08:31:55,503 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_fixup [2023-04-02 08:31:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_calc_csum_preamble [2023-04-02 08:31:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_tx_fixup [2023-04-02 08:31:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_manage_power [2023-04-02 08:31:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_driver_init [2023-04-02 08:31:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_driver_exit [2023-04-02 08:31:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2023-04-02 08:31:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2023-04-02 08:31:55,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_4 [2023-04-02 08:31:55,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2023-04-02 08:31:55,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 08:31:55,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2023-04-02 08:31:55,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2023-04-02 08:31:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2023-04-02 08:31:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_6 [2023-04-02 08:31:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-04-02 08:31:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2023-04-02 08:31:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2023-04-02 08:31:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2023-04-02 08:31:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-04-02 08:31:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-04-02 08:31:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2023-04-02 08:31:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2023-04-02 08:31:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-04-02 08:31:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2023-04-02 08:31:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-04-02 08:31:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-04-02 08:31:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-04-02 08:31:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-04-02 08:31:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2023-04-02 08:31:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2023-04-02 08:31:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 08:31:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-02 08:31:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-04-02 08:31:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 08:31:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-02 08:31:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 08:31:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev16 [2023-04-02 08:31:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-04-02 08:31:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2023-04-02 08:31:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-02 08:31:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_partial [2023-04-02 08:31:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-04-02 08:31:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2023-04-02 08:31:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-02 08:31:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-02 08:31:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2023-04-02 08:31:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2023-04-02 08:31:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 08:31:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2023-04-02 08:31:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2023-04-02 08:31:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2023-04-02 08:31:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-04-02 08:31:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2023-04-02 08:31:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-04-02 08:31:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-02 08:31:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 08:31:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-04-02 08:31:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-04-02 08:31:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 08:31:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2023-04-02 08:31:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2023-04-02 08:31:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-04-02 08:31:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-04-02 08:31:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-04-02 08:31:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2023-04-02 08:31:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-02 08:31:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-02 08:31:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_change_mtu [2023-04-02 08:31:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_defer_kevent [2023-04-02 08:31:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-04-02 08:31:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_drvinfo [2023-04-02 08:31:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2023-04-02 08:31:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-04-02 08:31:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2023-04-02 08:31:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-04-02 08:31:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_write_cmd_async [2023-04-02 08:31:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 08:31:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 08:31:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 08:31:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 08:31:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 08:31:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 08:31:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 08:31:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 08:31:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 08:31:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 08:31:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 08:31:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 08:31:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 08:31:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-02 08:31:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 08:31:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2023-04-02 08:31:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2023-04-02 08:31:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2023-04-02 08:31:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2023-04-02 08:31:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-02 08:31:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2023-04-02 08:31:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-02 08:31:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_6 [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-04-02 08:31:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_4 [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2023-04-02 08:31:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure csum_fold [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure csum_partial [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-04-02 08:31:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-04-02 08:31:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2023-04-02 08:31:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-04-02 08:31:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-04-02 08:31:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-02 08:31:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-02 08:31:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-04-02 08:31:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-04-02 08:31:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-04-02 08:31:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-02 08:31:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-02 08:31:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-04-02 08:31:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2023-04-02 08:31:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-04-02 08:31:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2023-04-02 08:31:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2023-04-02 08:31:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2023-04-02 08:31:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure mii_resolve_flowctrl_fdx [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev16 [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2023-04-02 08:31:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_async [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_change_mtu [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_defer_kevent [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_drvinfo [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2023-04-02 08:31:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_read_reg [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_write_reg [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg_nopm [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_nopm [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_phy_wait_not_busy [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_read [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_write [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read_nopm [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write_nopm [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_wait_eeprom [2023-04-02 08:31:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_eeprom_confirm_not_busy [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_eeprom [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_eeprom [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_async [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_hash [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_multicast [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_phy_update_flowcontrol [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_reset [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_status [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_features [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_eeprom_len [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_eeprom [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_set_eeprom [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_getregslen [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_getregs [2023-04-02 08:31:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_wol [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_set_wol [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ioctl [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_init_mac_address [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_mac_address [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_tx_path [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_rx_path [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_phy_initialize [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_reset [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_bind [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_unbind [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enable_phy_wakeup_interrupts [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_ok_nopm [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend0 [2023-04-02 08:31:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend1 [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend2 [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend3 [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_autosuspend [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_suspend [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_resume [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_csum_offload [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_fixup [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_calc_csum_preamble [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_tx_fixup [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_manage_power [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_driver_init [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_driver_exit [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 08:31:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-04-02 08:31:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 08:31:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 08:31:56,331 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 08:31:56,336 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 08:31:56,414 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 08:31:59,328 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-04-02 08:32:03,452 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 08:32:03,477 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 08:32:03,477 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 08:32:03,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:32:03 BoogieIcfgContainer [2023-04-02 08:32:03,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 08:32:03,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 08:32:03,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 08:32:03,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 08:32:03,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 08:31:52" (1/3) ... [2023-04-02 08:32:03,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60691cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:32:03, skipping insertion in model container [2023-04-02 08:32:03,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:31:55" (2/3) ... [2023-04-02 08:32:03,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60691cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:32:03, skipping insertion in model container [2023-04-02 08:32:03,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:32:03" (3/3) ... [2023-04-02 08:32:03,489 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2023-04-02 08:32:03,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 08:32:03,505 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 08:32:03,605 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 08:32:03,613 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=PETRI_NET, 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;@5cc8b88c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 08:32:03,613 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 08:32:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 2451 states, 1753 states have (on average 1.4266970907016543) internal successors, (2501), 1778 states have internal predecessors, (2501), 527 states have call successors, (527), 163 states have call predecessors, (527), 161 states have return successors, (517), 515 states have call predecessors, (517), 517 states have call successors, (517) [2023-04-02 08:32:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-04-02 08:32:03,654 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:32:03,655 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:32:03,655 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:32:03,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:32:03,659 INFO L85 PathProgramCache]: Analyzing trace with hash 311555383, now seen corresponding path program 1 times [2023-04-02 08:32:03,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:32:03,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910514295] [2023-04-02 08:32:03,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:32:03,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:32:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:04,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:32:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:32:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:32:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:32:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:32:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:32:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:32:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 08:32:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-04-02 08:32:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:32:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 08:32:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 08:32:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 08:32:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 08:32:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 08:32:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 08:32:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:32:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:05,135 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-04-02 08:32:05,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:32:05,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910514295] [2023-04-02 08:32:05,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910514295] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:32:05,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:32:05,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:32:05,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501621082] [2023-04-02 08:32:05,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:32:05,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:32:05,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:32:05,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:32:05,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:32:05,186 INFO L87 Difference]: Start difference. First operand has 2451 states, 1753 states have (on average 1.4266970907016543) internal successors, (2501), 1778 states have internal predecessors, (2501), 527 states have call successors, (527), 163 states have call predecessors, (527), 161 states have return successors, (517), 515 states have call predecessors, (517), 517 states have call successors, (517) Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-02 08:32:51,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:32:51,324 INFO L93 Difference]: Finished difference Result 7805 states and 11830 transitions. [2023-04-02 08:32:51,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 08:32:51,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 111 [2023-04-02 08:32:51,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:32:51,390 INFO L225 Difference]: With dead ends: 7805 [2023-04-02 08:32:51,390 INFO L226 Difference]: Without dead ends: 5373 [2023-04-02 08:32:51,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2023-04-02 08:32:51,423 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 9853 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 11256 mSolverCounterSat, 5114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10319 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 16370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5114 IncrementalHoareTripleChecker+Valid, 11256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.4s IncrementalHoareTripleChecker+Time [2023-04-02 08:32:51,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10319 Valid, 1862 Invalid, 16370 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5114 Valid, 11256 Invalid, 0 Unknown, 0 Unchecked, 42.4s Time] [2023-04-02 08:32:51,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5373 states. [2023-04-02 08:32:52,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5373 to 4611. [2023-04-02 08:32:52,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4611 states, 3330 states have (on average 1.4066066066066065) internal successors, (4684), 3345 states have internal predecessors, (4684), 980 states have call successors, (980), 303 states have call predecessors, (980), 300 states have return successors, (972), 972 states have call predecessors, (972), 972 states have call successors, (972) [2023-04-02 08:32:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4611 states to 4611 states and 6636 transitions. [2023-04-02 08:32:52,811 INFO L78 Accepts]: Start accepts. Automaton has 4611 states and 6636 transitions. Word has length 111 [2023-04-02 08:32:52,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:32:52,813 INFO L495 AbstractCegarLoop]: Abstraction has 4611 states and 6636 transitions. [2023-04-02 08:32:52,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-04-02 08:32:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 6636 transitions. [2023-04-02 08:32:52,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-02 08:32:52,820 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:32:52,821 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:32:52,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 08:32:52,821 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:32:52,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:32:52,822 INFO L85 PathProgramCache]: Analyzing trace with hash 509779789, now seen corresponding path program 1 times [2023-04-02 08:32:52,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:32:52,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107495451] [2023-04-02 08:32:52,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:32:52,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:32:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:32:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:32:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:32:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:32:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:32:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:32:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:32:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 08:32:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-04-02 08:32:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:32:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 08:32:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 08:32:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 08:32:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 08:32:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 08:32:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 08:32:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-04-02 08:32:53,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:32:53,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107495451] [2023-04-02 08:32:53,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107495451] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:32:53,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:32:53,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 08:32:53,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307876463] [2023-04-02 08:32:53,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:32:53,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 08:32:53,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:32:53,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 08:32:53,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-02 08:32:53,665 INFO L87 Difference]: Start difference. First operand 4611 states and 6636 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-02 08:33:31,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:33:31,471 INFO L93 Difference]: Finished difference Result 13106 states and 19159 transitions. [2023-04-02 08:33:31,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 08:33:31,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 115 [2023-04-02 08:33:31,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:33:31,521 INFO L225 Difference]: With dead ends: 13106 [2023-04-02 08:33:31,522 INFO L226 Difference]: Without dead ends: 8530 [2023-04-02 08:33:31,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-04-02 08:33:31,544 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 7279 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 10992 mSolverCounterSat, 3798 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7686 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 14790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3798 IncrementalHoareTripleChecker+Valid, 10992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:33:31,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7686 Valid, 1448 Invalid, 14790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3798 Valid, 10992 Invalid, 0 Unknown, 0 Unchecked, 34.0s Time] [2023-04-02 08:33:31,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8530 states. [2023-04-02 08:33:33,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8530 to 7317. [2023-04-02 08:33:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7317 states, 5299 states have (on average 1.40064163049632) internal successors, (7422), 5316 states have internal predecessors, (7422), 1529 states have call successors, (1529), 491 states have call predecessors, (1529), 488 states have return successors, (1521), 1521 states have call predecessors, (1521), 1521 states have call successors, (1521) [2023-04-02 08:33:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7317 states to 7317 states and 10472 transitions. [2023-04-02 08:33:33,937 INFO L78 Accepts]: Start accepts. Automaton has 7317 states and 10472 transitions. Word has length 115 [2023-04-02 08:33:33,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:33:33,938 INFO L495 AbstractCegarLoop]: Abstraction has 7317 states and 10472 transitions. [2023-04-02 08:33:33,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-02 08:33:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 7317 states and 10472 transitions. [2023-04-02 08:33:33,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-02 08:33:33,945 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:33:33,945 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:33:33,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 08:33:33,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:33:33,946 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:33:33,946 INFO L85 PathProgramCache]: Analyzing trace with hash -110953478, now seen corresponding path program 1 times [2023-04-02 08:33:33,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:33:33,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117312588] [2023-04-02 08:33:33,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:33:33,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:33:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:34,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:33:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:34,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:33:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:33:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:33:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:33:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:33:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:33:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 08:33:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-04-02 08:33:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:33:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 08:33:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 08:33:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 08:33:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 08:33:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 08:33:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 08:33:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:33:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2023-04-02 08:33:35,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:33:35,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117312588] [2023-04-02 08:33:35,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117312588] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:33:35,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:33:35,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:33:35,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094902238] [2023-04-02 08:33:35,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:33:35,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:33:35,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:33:35,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:33:35,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:33:35,341 INFO L87 Difference]: Start difference. First operand 7317 states and 10472 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 08:33:54,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:55,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:09,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:34:09,989 INFO L93 Difference]: Finished difference Result 8503 states and 12535 transitions. [2023-04-02 08:34:09,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 08:34:09,990 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 127 [2023-04-02 08:34:09,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:34:10,032 INFO L225 Difference]: With dead ends: 8503 [2023-04-02 08:34:10,033 INFO L226 Difference]: Without dead ends: 8500 [2023-04-02 08:34:10,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:34:10,037 INFO L413 NwaCegarLoop]: 727 mSDtfsCounter, 6396 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 10399 mSolverCounterSat, 3870 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6477 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 14270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3870 IncrementalHoareTripleChecker+Valid, 10399 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:34:10,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6477 Valid, 2215 Invalid, 14270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3870 Valid, 10399 Invalid, 1 Unknown, 0 Unchecked, 31.0s Time] [2023-04-02 08:34:10,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8500 states. [2023-04-02 08:34:11,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8500 to 7316. [2023-04-02 08:34:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7316 states, 5299 states have (on average 1.4004529156444612) internal successors, (7421), 5315 states have internal predecessors, (7421), 1528 states have call successors, (1528), 491 states have call predecessors, (1528), 488 states have return successors, (1521), 1521 states have call predecessors, (1521), 1521 states have call successors, (1521) [2023-04-02 08:34:11,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7316 states to 7316 states and 10470 transitions. [2023-04-02 08:34:11,864 INFO L78 Accepts]: Start accepts. Automaton has 7316 states and 10470 transitions. Word has length 127 [2023-04-02 08:34:11,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:34:11,865 INFO L495 AbstractCegarLoop]: Abstraction has 7316 states and 10470 transitions. [2023-04-02 08:34:11,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 08:34:11,865 INFO L276 IsEmpty]: Start isEmpty. Operand 7316 states and 10470 transitions. [2023-04-02 08:34:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-02 08:34:11,868 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:34:11,868 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:34:11,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 08:34:11,869 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:34:11,869 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:34:11,869 INFO L85 PathProgramCache]: Analyzing trace with hash 854480661, now seen corresponding path program 1 times [2023-04-02 08:34:11,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:34:11,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984542510] [2023-04-02 08:34:11,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:34:11,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:34:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:34:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:34:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:34:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:34:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:34:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:34:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:34:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 08:34:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-04-02 08:34:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:34:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 08:34:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 08:34:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 08:34:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 08:34:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 08:34:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 08:34:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:34:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:12,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:34:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:34:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:13,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:34:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:13,029 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2023-04-02 08:34:13,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:34:13,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984542510] [2023-04-02 08:34:13,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984542510] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:34:13,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:34:13,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:34:13,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127296559] [2023-04-02 08:34:13,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:34:13,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:34:13,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:34:13,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:34:13,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:34:13,032 INFO L87 Difference]: Start difference. First operand 7316 states and 10470 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 08:34:30,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:33,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:34:49,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:34:49,212 INFO L93 Difference]: Finished difference Result 8502 states and 12533 transitions. [2023-04-02 08:34:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 08:34:49,213 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2023-04-02 08:34:49,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:34:49,251 INFO L225 Difference]: With dead ends: 8502 [2023-04-02 08:34:49,251 INFO L226 Difference]: Without dead ends: 8499 [2023-04-02 08:34:49,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:34:49,256 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 6554 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 10204 mSolverCounterSat, 4084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6635 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 14288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4084 IncrementalHoareTripleChecker+Valid, 10204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2023-04-02 08:34:49,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6635 Valid, 1594 Invalid, 14288 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4084 Valid, 10204 Invalid, 0 Unknown, 0 Unchecked, 33.0s Time] [2023-04-02 08:34:49,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8499 states. [2023-04-02 08:34:51,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8499 to 7315. [2023-04-02 08:34:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7315 states, 5299 states have (on average 1.4002642007926023) internal successors, (7420), 5314 states have internal predecessors, (7420), 1527 states have call successors, (1527), 491 states have call predecessors, (1527), 488 states have return successors, (1521), 1521 states have call predecessors, (1521), 1521 states have call successors, (1521) [2023-04-02 08:34:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7315 states to 7315 states and 10468 transitions. [2023-04-02 08:34:51,195 INFO L78 Accepts]: Start accepts. Automaton has 7315 states and 10468 transitions. Word has length 128 [2023-04-02 08:34:51,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:34:51,198 INFO L495 AbstractCegarLoop]: Abstraction has 7315 states and 10468 transitions. [2023-04-02 08:34:51,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 08:34:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 7315 states and 10468 transitions. [2023-04-02 08:34:51,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-02 08:34:51,203 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:34:51,204 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:34:51,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 08:34:51,204 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:34:51,205 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:34:51,205 INFO L85 PathProgramCache]: Analyzing trace with hash 718172765, now seen corresponding path program 1 times [2023-04-02 08:34:51,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:34:51,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458161126] [2023-04-02 08:34:51,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:34:51,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:34:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:34:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:34:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:34:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:34:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:34:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:34:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:34:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 08:34:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-04-02 08:34:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:34:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 08:34:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 08:34:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 08:34:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 08:34:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 08:34:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 08:34:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:34:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:51,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:34:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:52,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:34:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:34:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:34:52,025 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2023-04-02 08:34:52,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:34:52,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458161126] [2023-04-02 08:34:52,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458161126] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:34:52,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:34:52,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:34:52,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32848623] [2023-04-02 08:34:52,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:34:52,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:34:52,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:34:52,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:34:52,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:34:52,027 INFO L87 Difference]: Start difference. First operand 7315 states and 10468 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 08:35:02,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:05,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:10,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:35:25,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:35:25,800 INFO L93 Difference]: Finished difference Result 8501 states and 12531 transitions. [2023-04-02 08:35:25,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 08:35:25,800 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2023-04-02 08:35:25,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:35:25,834 INFO L225 Difference]: With dead ends: 8501 [2023-04-02 08:35:25,834 INFO L226 Difference]: Without dead ends: 8498 [2023-04-02 08:35:25,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:35:25,839 INFO L413 NwaCegarLoop]: 727 mSDtfsCounter, 6352 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 10421 mSolverCounterSat, 3868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6434 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 14289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3868 IncrementalHoareTripleChecker+Valid, 10421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2023-04-02 08:35:25,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6434 Valid, 2220 Invalid, 14289 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3868 Valid, 10421 Invalid, 0 Unknown, 0 Unchecked, 30.6s Time] [2023-04-02 08:35:25,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8498 states. [2023-04-02 08:35:27,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8498 to 7314. [2023-04-02 08:35:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7314 states, 5299 states have (on average 1.4000754859407436) internal successors, (7419), 5313 states have internal predecessors, (7419), 1526 states have call successors, (1526), 491 states have call predecessors, (1526), 488 states have return successors, (1521), 1521 states have call predecessors, (1521), 1521 states have call successors, (1521) [2023-04-02 08:35:27,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7314 states to 7314 states and 10466 transitions. [2023-04-02 08:35:27,741 INFO L78 Accepts]: Start accepts. Automaton has 7314 states and 10466 transitions. Word has length 129 [2023-04-02 08:35:27,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:35:27,742 INFO L495 AbstractCegarLoop]: Abstraction has 7314 states and 10466 transitions. [2023-04-02 08:35:27,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-02 08:35:27,742 INFO L276 IsEmpty]: Start isEmpty. Operand 7314 states and 10466 transitions. [2023-04-02 08:35:27,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-02 08:35:27,745 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:35:27,745 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 08:35:27,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 08:35:27,745 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:35:27,746 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:35:27,746 INFO L85 PathProgramCache]: Analyzing trace with hash 787600152, now seen corresponding path program 1 times [2023-04-02 08:35:27,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:35:27,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112679217] [2023-04-02 08:35:27,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:35:27,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:35:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:35:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:35:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:35:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:35:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:35:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:35:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:35:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 08:35:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-04-02 08:35:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 08:35:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 08:35:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 08:35:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 08:35:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 08:35:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 08:35:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 08:35:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:35:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:35:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:35:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:35:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:35:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2023-04-02 08:35:28,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:35:28,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112679217] [2023-04-02 08:35:28,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112679217] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:35:28,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:35:28,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:35:28,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258242938] [2023-04-02 08:35:28,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:35:28,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:35:28,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:35:28,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:35:28,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:35:28,646 INFO L87 Difference]: Start difference. First operand 7314 states and 10466 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)