/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--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 08:29:18,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 08:29:18,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 08:29:18,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 08:29:18,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 08:29:18,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 08:29:18,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 08:29:18,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 08:29:18,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 08:29:18,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 08:29:18,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 08:29:18,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 08:29:18,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 08:29:18,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 08:29:18,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 08:29:18,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 08:29:18,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 08:29:18,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 08:29:18,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 08:29:18,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 08:29:18,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 08:29:18,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 08:29:18,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 08:29:18,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 08:29:18,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 08:29:18,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 08:29:18,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 08:29:18,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 08:29:18,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 08:29:18,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 08:29:18,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 08:29:18,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 08:29:18,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 08:29:18,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 08:29:18,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 08:29:18,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 08:29:18,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 08:29:18,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 08:29:18,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 08:29:18,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 08:29:18,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 08:29:18,853 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 08:29:18,866 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 08:29:18,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 08:29:18,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 08:29:18,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 08:29:18,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 08:29:18,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 08:29:18,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 08:29:18,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 08:29:18,868 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 08:29:18,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 08:29:18,868 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 08:29:18,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 08:29:18,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 08:29:18,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 08:29:18,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 08:29:18,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 08:29:18,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 08:29:18,869 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 08:29:18,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 08:29:18,869 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 08:29:18,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 08:29:18,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 08:29:18,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 08:29:18,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 08:29:18,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:29:18,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 08:29:18,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 08:29:18,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 08:29:18,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 08:29:18,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 08:29:18,870 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 08:29:18,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 08:29:18,870 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 08:29:18,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 08:29:18,870 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 08:29:18,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 08:29:19,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 08:29:19,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 08:29:19,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 08:29:19,080 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 08:29:19,080 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 08:29:19,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2023-04-02 08:29:20,209 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 08:29:20,580 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 08:29:20,581 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2023-04-02 08:29:20,619 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d18c4c7a/cdb7bcc1c4664815b81f8fd42a986015/FLAGbbf008356 [2023-04-02 08:29:20,632 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d18c4c7a/cdb7bcc1c4664815b81f8fd42a986015 [2023-04-02 08:29:20,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 08:29:20,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 08:29:20,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 08:29:20,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 08:29:20,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 08:29:20,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:29:20" (1/1) ... [2023-04-02 08:29:20,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25322622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:20, skipping insertion in model container [2023-04-02 08:29:20,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:29:20" (1/1) ... [2023-04-02 08:29:20,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 08:29:20,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 08:29:21,360 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i[196736,196749] [2023-04-02 08:29:21,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:29:21,844 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 08:29:21,936 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i[196736,196749] [2023-04-02 08:29:22,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 08:29:22,127 INFO L208 MainTranslator]: Completed translation [2023-04-02 08:29:22,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:22 WrapperNode [2023-04-02 08:29:22,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 08:29:22,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 08:29:22,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 08:29:22,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 08:29:22,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:22" (1/1) ... [2023-04-02 08:29:22,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:22" (1/1) ... [2023-04-02 08:29:22,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:22" (1/1) ... [2023-04-02 08:29:22,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:22" (1/1) ... [2023-04-02 08:29:22,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:22" (1/1) ... [2023-04-02 08:29:22,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:22" (1/1) ... [2023-04-02 08:29:22,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:22" (1/1) ... [2023-04-02 08:29:22,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:22" (1/1) ... [2023-04-02 08:29:22,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 08:29:22,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 08:29:22,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 08:29:22,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 08:29:22,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:22" (1/1) ... [2023-04-02 08:29:22,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 08:29:22,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 08:29:22,370 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 08:29:22,387 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 08:29:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 08:29:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 08:29:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-02 08:29:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-02 08:29:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-04-02 08:29:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-02 08:29:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-02 08:29:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-02 08:29:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2023-04-02 08:29:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2023-04-02 08:29:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_driver_init [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_driver_exit [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2023-04-02 08:29:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_6 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_8 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_9 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_10 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_11 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_12 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_13 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_15 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_16 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2023-04-02 08:29:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-02 08:29:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2023-04-02 08:29:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-02 08:29:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-04-02 08:29:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-02 08:29:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-02 08:29:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-04-02 08:29:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-02 08:29:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 08:29:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 08:29:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 08:29:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 08:29:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 08:29:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 08:29:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 08:29:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 08:29:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 08:29:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 08:29:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 08:29:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-02 08:29:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 08:29:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 08:29:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_13 [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_12 [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-02 08:29:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_15 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_16 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_10 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_6 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_8 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_9 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_11 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-04-02 08:29:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 08:29:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 08:29:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 08:29:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 08:29:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 08:29:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 08:29:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 08:29:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-02 08:29:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2023-04-02 08:29:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-02 08:29:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-02 08:29:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-02 08:29:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-02 08:29:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-02 08:29:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-02 08:29:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-02 08:29:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-04-02 08:29:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 08:29:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2023-04-02 08:29:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2023-04-02 08:29:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_driver_init [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_driver_exit [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 08:29:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 08:29:23,093 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 08:29:23,111 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 08:29:23,196 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 08:29:26,390 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-04-02 08:29:28,551 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 08:29:28,562 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 08:29:28,562 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 08:29:28,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:29:28 BoogieIcfgContainer [2023-04-02 08:29:28,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 08:29:28,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 08:29:28,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 08:29:28,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 08:29:28,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 08:29:20" (1/3) ... [2023-04-02 08:29:28,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a9147f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:29:28, skipping insertion in model container [2023-04-02 08:29:28,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:29:22" (2/3) ... [2023-04-02 08:29:28,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a9147f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:29:28, skipping insertion in model container [2023-04-02 08:29:28,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:29:28" (3/3) ... [2023-04-02 08:29:28,570 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2023-04-02 08:29:28,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 08:29:28,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 08:29:28,641 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 08:29:28,645 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;@571b7cd8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 08:29:28,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 08:29:28,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 1764 states, 1174 states have (on average 1.309199318568995) internal successors, (1537), 1209 states have internal predecessors, (1537), 422 states have call successors, (422), 161 states have call predecessors, (422), 159 states have return successors, (414), 405 states have call predecessors, (414), 414 states have call successors, (414) [2023-04-02 08:29:28,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-04-02 08:29:28,660 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:29:28,660 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:29:28,661 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:29:28,664 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:29:28,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1873535736, now seen corresponding path program 1 times [2023-04-02 08:29:28,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:29:28,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715287209] [2023-04-02 08:29:28,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:29:28,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:29:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:29:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:29:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:29:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:29:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:29:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:29:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:29:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:29:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 08:29:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:29:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:29:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:29:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-04-02 08:29:29,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:29:29,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715287209] [2023-04-02 08:29:29,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715287209] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:29:29,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:29:29,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 08:29:29,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735063604] [2023-04-02 08:29:29,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:29:29,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 08:29:29,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:29:29,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 08:29:29,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-02 08:29:29,630 INFO L87 Difference]: Start difference. First operand has 1764 states, 1174 states have (on average 1.309199318568995) internal successors, (1537), 1209 states have internal predecessors, (1537), 422 states have call successors, (422), 161 states have call predecessors, (422), 159 states have return successors, (414), 405 states have call predecessors, (414), 414 states have call successors, (414) Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-02 08:29:37,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:39,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:41,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:45,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:47,754 WARN L539 Checker$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 08:29:49,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:29:51,762 WARN L539 Checker$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 08:30:07,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:30:07,545 INFO L93 Difference]: Finished difference Result 5630 states and 8048 transitions. [2023-04-02 08:30:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 08:30:07,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 68 [2023-04-02 08:30:07,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:30:07,582 INFO L225 Difference]: With dead ends: 5630 [2023-04-02 08:30:07,582 INFO L226 Difference]: Without dead ends: 4055 [2023-04-02 08:30:07,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2023-04-02 08:30:07,651 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 7658 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 6659 mSolverCounterSat, 5249 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7980 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 11915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5249 IncrementalHoareTripleChecker+Valid, 6659 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2023-04-02 08:30:07,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7980 Valid, 302 Invalid, 11915 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5249 Valid, 6659 Invalid, 7 Unknown, 0 Unchecked, 35.6s Time] [2023-04-02 08:30:07,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4055 states. [2023-04-02 08:30:08,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4055 to 2982. [2023-04-02 08:30:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 1957 states have (on average 1.2657128257537047) internal successors, (2477), 1999 states have internal predecessors, (2477), 733 states have call successors, (733), 294 states have call predecessors, (733), 291 states have return successors, (726), 708 states have call predecessors, (726), 726 states have call successors, (726) [2023-04-02 08:30:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 3936 transitions. [2023-04-02 08:30:08,529 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 3936 transitions. Word has length 68 [2023-04-02 08:30:08,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:30:08,529 INFO L495 AbstractCegarLoop]: Abstraction has 2982 states and 3936 transitions. [2023-04-02 08:30:08,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-02 08:30:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3936 transitions. [2023-04-02 08:30:08,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-04-02 08:30:08,533 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:30:08,533 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:30:08,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 08:30:08,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:30:08,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:30:08,534 INFO L85 PathProgramCache]: Analyzing trace with hash -864912187, now seen corresponding path program 1 times [2023-04-02 08:30:08,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:30:08,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752740868] [2023-04-02 08:30:08,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:30:08,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:30:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:08,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:30:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:08,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:30:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:08,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:30:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:30:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:30:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:08,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:30:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:30:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:08,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:30:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 08:30:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:30:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:30:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:30:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:30:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-04-02 08:30:09,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:30:09,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752740868] [2023-04-02 08:30:09,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752740868] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:30:09,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:30:09,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:30:09,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623708728] [2023-04-02 08:30:09,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:30:09,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:30:09,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:30:09,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:30:09,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:30:09,039 INFO L87 Difference]: Start difference. First operand 2982 states and 3936 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-04-02 08:30:15,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:30:17,021 WARN L539 Checker$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 08:30:19,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:30:21,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:30:23,039 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 08:30:35,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:30:35,142 INFO L93 Difference]: Finished difference Result 4082 states and 5721 transitions. [2023-04-02 08:30:35,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 08:30:35,143 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 84 [2023-04-02 08:30:35,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:30:35,159 INFO L225 Difference]: With dead ends: 4082 [2023-04-02 08:30:35,159 INFO L226 Difference]: Without dead ends: 4069 [2023-04-02 08:30:35,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:30:35,163 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 4504 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 5417 mSolverCounterSat, 3090 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4573 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 8512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3090 IncrementalHoareTripleChecker+Valid, 5417 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2023-04-02 08:30:35,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4573 Valid, 456 Invalid, 8512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3090 Valid, 5417 Invalid, 5 Unknown, 0 Unchecked, 24.4s Time] [2023-04-02 08:30:35,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4069 states. [2023-04-02 08:30:35,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4069 to 2982. [2023-04-02 08:30:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 1957 states have (on average 1.2652018395503322) internal successors, (2476), 1999 states have internal predecessors, (2476), 733 states have call successors, (733), 294 states have call predecessors, (733), 291 states have return successors, (726), 708 states have call predecessors, (726), 726 states have call successors, (726) [2023-04-02 08:30:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 3935 transitions. [2023-04-02 08:30:35,984 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 3935 transitions. Word has length 84 [2023-04-02 08:30:35,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:30:35,986 INFO L495 AbstractCegarLoop]: Abstraction has 2982 states and 3935 transitions. [2023-04-02 08:30:35,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-04-02 08:30:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3935 transitions. [2023-04-02 08:30:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-04-02 08:30:35,992 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:30:35,993 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:30:35,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 08:30:35,994 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:30:35,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:30:35,994 INFO L85 PathProgramCache]: Analyzing trace with hash -807653885, now seen corresponding path program 1 times [2023-04-02 08:30:35,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:30:35,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488292383] [2023-04-02 08:30:35,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:30:35,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:30:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:30:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:30:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:30:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:30:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:30:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:30:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:30:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:30:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 08:30:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:30:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:30:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:30:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:30:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:30:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-04-02 08:30:36,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:30:36,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488292383] [2023-04-02 08:30:36,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488292383] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:30:36,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:30:36,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:30:36,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001487734] [2023-04-02 08:30:36,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:30:36,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:30:36,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:30:36,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:30:36,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:30:36,980 INFO L87 Difference]: Start difference. First operand 2982 states and 3935 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:30:43,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:30:45,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:30:47,091 WARN L539 Checker$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 08:30:49,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:30:51,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:31:06,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:31:08,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:31:11,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:31:13,013 WARN L539 Checker$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 08:31:15,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:31:17,022 WARN L539 Checker$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 08:31:25,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:31:25,867 INFO L93 Difference]: Finished difference Result 10821 states and 15328 transitions. [2023-04-02 08:31:25,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 08:31:25,888 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2023-04-02 08:31:25,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:31:25,924 INFO L225 Difference]: With dead ends: 10821 [2023-04-02 08:31:25,924 INFO L226 Difference]: Without dead ends: 7871 [2023-04-02 08:31:25,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2023-04-02 08:31:25,938 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 7649 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 9180 mSolverCounterSat, 5136 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7913 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 14327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5136 IncrementalHoareTripleChecker+Valid, 9180 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.7s IncrementalHoareTripleChecker+Time [2023-04-02 08:31:25,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7913 Valid, 904 Invalid, 14327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5136 Valid, 9180 Invalid, 11 Unknown, 0 Unchecked, 45.7s Time] [2023-04-02 08:31:25,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7871 states. [2023-04-02 08:31:27,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7871 to 6799. [2023-04-02 08:31:27,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6799 states, 4442 states have (on average 1.2510130571814497) internal successors, (5557), 4548 states have internal predecessors, (5557), 1614 states have call successors, (1614), 582 states have call predecessors, (1614), 742 states have return successors, (2124), 1704 states have call predecessors, (2124), 1606 states have call successors, (2124) [2023-04-02 08:31:27,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6799 states to 6799 states and 9295 transitions. [2023-04-02 08:31:27,695 INFO L78 Accepts]: Start accepts. Automaton has 6799 states and 9295 transitions. Word has length 84 [2023-04-02 08:31:27,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:31:27,705 INFO L495 AbstractCegarLoop]: Abstraction has 6799 states and 9295 transitions. [2023-04-02 08:31:27,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:31:27,705 INFO L276 IsEmpty]: Start isEmpty. Operand 6799 states and 9295 transitions. [2023-04-02 08:31:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-04-02 08:31:27,714 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:31:27,714 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:31:27,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 08:31:27,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:31:27,715 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:31:27,715 INFO L85 PathProgramCache]: Analyzing trace with hash 731742267, now seen corresponding path program 1 times [2023-04-02 08:31:27,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:31:27,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40897887] [2023-04-02 08:31:27,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:31:27,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:31:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:31:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:31:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:31:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:31:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:31:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:31:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:31:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:31:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 08:31:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:31:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:31:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:31:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:31:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:28,387 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-04-02 08:31:28,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:31:28,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40897887] [2023-04-02 08:31:28,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40897887] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:31:28,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:31:28,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:31:28,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485739119] [2023-04-02 08:31:28,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:31:28,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:31:28,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:31:28,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:31:28,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:31:28,390 INFO L87 Difference]: Start difference. First operand 6799 states and 9295 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:31:33,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:31:35,923 WARN L539 Checker$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 08:31:37,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:31:39,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:31:41,947 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 08:31:53,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:31:53,545 INFO L93 Difference]: Finished difference Result 7869 states and 11188 transitions. [2023-04-02 08:31:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 08:31:53,553 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2023-04-02 08:31:53,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:31:53,589 INFO L225 Difference]: With dead ends: 7869 [2023-04-02 08:31:53,590 INFO L226 Difference]: Without dead ends: 7866 [2023-04-02 08:31:53,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:31:53,596 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 5164 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 4309 mSolverCounterSat, 3719 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5235 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 8033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3719 IncrementalHoareTripleChecker+Valid, 4309 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2023-04-02 08:31:53,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5235 Valid, 450 Invalid, 8033 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3719 Valid, 4309 Invalid, 5 Unknown, 0 Unchecked, 22.2s Time] [2023-04-02 08:31:53,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7866 states. [2023-04-02 08:31:55,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7866 to 6798. [2023-04-02 08:31:55,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6798 states, 4442 states have (on average 1.2507879333633498) internal successors, (5556), 4547 states have internal predecessors, (5556), 1613 states have call successors, (1613), 582 states have call predecessors, (1613), 742 states have return successors, (2124), 1704 states have call predecessors, (2124), 1606 states have call successors, (2124) [2023-04-02 08:31:55,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6798 states to 6798 states and 9293 transitions. [2023-04-02 08:31:55,323 INFO L78 Accepts]: Start accepts. Automaton has 6798 states and 9293 transitions. Word has length 85 [2023-04-02 08:31:55,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:31:55,324 INFO L495 AbstractCegarLoop]: Abstraction has 6798 states and 9293 transitions. [2023-04-02 08:31:55,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:31:55,324 INFO L276 IsEmpty]: Start isEmpty. Operand 6798 states and 9293 transitions. [2023-04-02 08:31:55,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-04-02 08:31:55,325 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:31:55,326 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:31:55,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 08:31:55,326 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:31:55,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:31:55,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1208387590, now seen corresponding path program 1 times [2023-04-02 08:31:55,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:31:55,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723070378] [2023-04-02 08:31:55,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:31:55,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:31:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:31:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:31:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:31:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:31:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:31:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:31:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:31:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:31:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 08:31:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:31:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:31:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:31:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:31:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:31:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-04-02 08:31:55,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:31:55,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723070378] [2023-04-02 08:31:55,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723070378] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:31:55,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:31:55,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:31:55,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405484576] [2023-04-02 08:31:55,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:31:55,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:31:55,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:31:55,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:31:55,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:31:55,767 INFO L87 Difference]: Start difference. First operand 6798 states and 9293 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:32:01,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:03,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:05,223 WARN L539 Checker$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 08:32:07,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:09,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:19,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:32:19,222 INFO L93 Difference]: Finished difference Result 7868 states and 11186 transitions. [2023-04-02 08:32:19,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 08:32:19,222 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 86 [2023-04-02 08:32:19,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:32:19,252 INFO L225 Difference]: With dead ends: 7868 [2023-04-02 08:32:19,252 INFO L226 Difference]: Without dead ends: 7865 [2023-04-02 08:32:19,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:32:19,254 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 5817 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 4274 mSolverCounterSat, 4308 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5885 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 8587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4308 IncrementalHoareTripleChecker+Valid, 4274 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2023-04-02 08:32:19,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5885 Valid, 407 Invalid, 8587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4308 Valid, 4274 Invalid, 5 Unknown, 0 Unchecked, 20.7s Time] [2023-04-02 08:32:19,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7865 states. [2023-04-02 08:32:20,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7865 to 6797. [2023-04-02 08:32:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6797 states, 4442 states have (on average 1.25056280954525) internal successors, (5555), 4546 states have internal predecessors, (5555), 1612 states have call successors, (1612), 582 states have call predecessors, (1612), 742 states have return successors, (2124), 1704 states have call predecessors, (2124), 1606 states have call successors, (2124) [2023-04-02 08:32:20,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6797 states to 6797 states and 9291 transitions. [2023-04-02 08:32:20,998 INFO L78 Accepts]: Start accepts. Automaton has 6797 states and 9291 transitions. Word has length 86 [2023-04-02 08:32:20,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:32:20,999 INFO L495 AbstractCegarLoop]: Abstraction has 6797 states and 9291 transitions. [2023-04-02 08:32:20,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:32:20,999 INFO L276 IsEmpty]: Start isEmpty. Operand 6797 states and 9291 transitions. [2023-04-02 08:32:21,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-04-02 08:32:21,000 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:32:21,000 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:21,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 08:32:21,000 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:32:21,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:32:21,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1195471714, now seen corresponding path program 1 times [2023-04-02 08:32:21,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:32:21,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447748405] [2023-04-02 08:32:21,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:32:21,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:32:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:32:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:32:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:32:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:32:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:32:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:32:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:32:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:32:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 08:32:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:32:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-04-02 08:32:21,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:32:21,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447748405] [2023-04-02 08:32:21,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447748405] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:32:21,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:32:21,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:32:21,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378374183] [2023-04-02 08:32:21,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:32:21,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:32:21,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:32:21,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:32:21,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:32:21,426 INFO L87 Difference]: Start difference. First operand 6797 states and 9291 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:32:26,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:28,732 WARN L539 Checker$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 08:32:30,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:32,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:34,758 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 08:32:45,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:32:45,429 INFO L93 Difference]: Finished difference Result 7867 states and 11184 transitions. [2023-04-02 08:32:45,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 08:32:45,430 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 87 [2023-04-02 08:32:45,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:32:45,459 INFO L225 Difference]: With dead ends: 7867 [2023-04-02 08:32:45,460 INFO L226 Difference]: Without dead ends: 7864 [2023-04-02 08:32:45,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:32:45,462 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 5777 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 4325 mSolverCounterSat, 4259 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5846 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 8589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4259 IncrementalHoareTripleChecker+Valid, 4325 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2023-04-02 08:32:45,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5846 Valid, 481 Invalid, 8589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4259 Valid, 4325 Invalid, 5 Unknown, 0 Unchecked, 21.3s Time] [2023-04-02 08:32:45,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7864 states. [2023-04-02 08:32:47,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7864 to 6796. [2023-04-02 08:32:47,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6796 states, 4442 states have (on average 1.25033768572715) internal successors, (5554), 4545 states have internal predecessors, (5554), 1611 states have call successors, (1611), 582 states have call predecessors, (1611), 742 states have return successors, (2124), 1704 states have call predecessors, (2124), 1606 states have call successors, (2124) [2023-04-02 08:32:47,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6796 states to 6796 states and 9289 transitions. [2023-04-02 08:32:47,390 INFO L78 Accepts]: Start accepts. Automaton has 6796 states and 9289 transitions. Word has length 87 [2023-04-02 08:32:47,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:32:47,392 INFO L495 AbstractCegarLoop]: Abstraction has 6796 states and 9289 transitions. [2023-04-02 08:32:47,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:32:47,392 INFO L276 IsEmpty]: Start isEmpty. Operand 6796 states and 9289 transitions. [2023-04-02 08:32:47,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-02 08:32:47,393 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:32:47,393 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:47,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 08:32:47,394 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:32:47,394 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:32:47,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1594306057, now seen corresponding path program 1 times [2023-04-02 08:32:47,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:32:47,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671463866] [2023-04-02 08:32:47,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:32:47,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:32:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:32:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:32:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:32:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:32:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:32:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:32:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:32:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:32:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 08:32:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:32:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:32:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:32:47,834 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-04-02 08:32:47,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:32:47,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671463866] [2023-04-02 08:32:47,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671463866] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:32:47,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:32:47,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 08:32:47,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974401726] [2023-04-02 08:32:47,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:32:47,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 08:32:47,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:32:47,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 08:32:47,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 08:32:47,835 INFO L87 Difference]: Start difference. First operand 6796 states and 9289 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:32:53,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:55,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:32:57,165 WARN L539 Checker$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 08:32:59,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:01,185 WARN L539 Checker$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 08:33:13,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 08:33:13,548 INFO L93 Difference]: Finished difference Result 7866 states and 11182 transitions. [2023-04-02 08:33:13,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 08:33:13,549 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 88 [2023-04-02 08:33:13,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 08:33:13,608 INFO L225 Difference]: With dead ends: 7866 [2023-04-02 08:33:13,608 INFO L226 Difference]: Without dead ends: 7841 [2023-04-02 08:33:13,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-02 08:33:13,612 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 5118 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 5366 mSolverCounterSat, 3685 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5186 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 9056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3685 IncrementalHoareTripleChecker+Valid, 5366 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2023-04-02 08:33:13,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5186 Valid, 563 Invalid, 9056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3685 Valid, 5366 Invalid, 5 Unknown, 0 Unchecked, 22.9s Time] [2023-04-02 08:33:13,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7841 states. [2023-04-02 08:33:15,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7841 to 6776. [2023-04-02 08:33:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6776 states, 4430 states have (on average 1.2503386004514672) internal successors, (5539), 4532 states have internal predecessors, (5539), 1606 states have call successors, (1606), 578 states have call predecessors, (1606), 739 states have return successors, (2121), 1701 states have call predecessors, (2121), 1603 states have call successors, (2121) [2023-04-02 08:33:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6776 states to 6776 states and 9266 transitions. [2023-04-02 08:33:15,401 INFO L78 Accepts]: Start accepts. Automaton has 6776 states and 9266 transitions. Word has length 88 [2023-04-02 08:33:15,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 08:33:15,402 INFO L495 AbstractCegarLoop]: Abstraction has 6776 states and 9266 transitions. [2023-04-02 08:33:15,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 8 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-04-02 08:33:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 6776 states and 9266 transitions. [2023-04-02 08:33:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-02 08:33:15,409 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 08:33:15,409 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:33:15,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 08:33:15,409 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 08:33:15,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 08:33:15,410 INFO L85 PathProgramCache]: Analyzing trace with hash -808841169, now seen corresponding path program 1 times [2023-04-02 08:33:15,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 08:33:15,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749416673] [2023-04-02 08:33:15,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 08:33:15,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 08:33:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 08:33:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:33:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 08:33:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:33:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 08:33:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 08:33:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:33:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 08:33:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 08:33:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:33:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 08:33:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:33:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:15,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 08:33:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 08:33:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 08:33:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:33:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 08:33:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 08:33:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 08:33:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 08:33:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 08:33:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 08:33:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 08:33:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 08:33:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 08:33:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 08:33:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 08:33:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-04-02 08:33:16,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 08:33:16,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749416673] [2023-04-02 08:33:16,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749416673] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 08:33:16,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 08:33:16,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 08:33:16,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523969421] [2023-04-02 08:33:16,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 08:33:16,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 08:33:16,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 08:33:16,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 08:33:16,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-04-02 08:33:16,207 INFO L87 Difference]: Start difference. First operand 6776 states and 9266 transitions. Second operand has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (38), 12 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 08:33:23,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:25,186 WARN L539 Checker$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 08:33:27,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:29,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:31,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:33,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:35,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:37,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:39,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 08:33:41,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []