/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:04:52,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:04:52,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:04:52,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:04:52,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:04:52,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:04:52,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:04:52,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:04:52,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:04:52,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:04:52,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:04:52,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:04:52,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:04:52,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:04:52,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:04:52,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:04:52,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:04:52,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:04:52,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:04:52,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:04:52,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:04:52,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:04:52,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:04:52,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:04:52,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:04:52,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:04:52,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:04:52,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:04:52,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:04:52,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:04:52,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:04:52,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:04:52,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:04:52,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:04:52,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:04:52,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:04:52,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:04:52,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:04:52,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:04:52,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:04:52,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:04:52,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:04:53,003 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:04:53,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:04:53,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:04:53,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:04:53,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:04:53,005 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:04:53,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:04:53,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:04:53,006 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:04:53,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:04:53,007 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:04:53,007 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:04:53,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:04:53,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:04:53,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:04:53,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:04:53,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:04:53,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:04:53,009 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:04:53,009 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:04:53,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:04:53,010 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:04:53,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:04:53,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:04:53,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:04:53,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:04:53,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:04:53,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:04:53,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:04:53,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:04:53,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:04:53,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:04:53,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:04:53,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:04:53,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:04:53,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:04:53,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:04:53,414 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:04:53,415 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:04:53,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-10-16 12:04:53,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd1dd4f5/8563a2fd36f34bd5b2521fe64669ca0f/FLAGbbab47d62 [2022-10-16 12:04:54,578 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:04:54,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-10-16 12:04:54,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd1dd4f5/8563a2fd36f34bd5b2521fe64669ca0f/FLAGbbab47d62 [2022-10-16 12:04:54,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd1dd4f5/8563a2fd36f34bd5b2521fe64669ca0f [2022-10-16 12:04:54,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:04:54,964 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:04:54,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:04:54,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:04:54,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:04:54,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:04:54" (1/1) ... [2022-10-16 12:04:54,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a95a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:54, skipping insertion in model container [2022-10-16 12:04:54,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:04:54" (1/1) ... [2022-10-16 12:04:54,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:04:55,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:04:58,177 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2022-10-16 12:04:58,178 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2022-10-16 12:04:58,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:04:58,237 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:04:58,629 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2022-10-16 12:04:58,630 WARN L230 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2022-10-16 12:04:58,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:04:58,811 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:04:58,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58 WrapperNode [2022-10-16 12:04:58,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:04:58,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:04:58,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:04:58,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:04:58,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (1/1) ... [2022-10-16 12:04:58,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (1/1) ... [2022-10-16 12:04:59,173 INFO L138 Inliner]: procedures = 363, calls = 2926, calls flagged for inlining = 178, calls inlined = 134, statements flattened = 4918 [2022-10-16 12:04:59,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:04:59,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:04:59,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:04:59,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:04:59,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (1/1) ... [2022-10-16 12:04:59,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (1/1) ... [2022-10-16 12:04:59,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (1/1) ... [2022-10-16 12:04:59,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (1/1) ... [2022-10-16 12:04:59,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (1/1) ... [2022-10-16 12:04:59,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (1/1) ... [2022-10-16 12:04:59,429 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (1/1) ... [2022-10-16 12:04:59,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (1/1) ... [2022-10-16 12:04:59,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:04:59,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:04:59,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:04:59,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:04:59,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (1/1) ... [2022-10-16 12:04:59,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:04:59,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:04:59,617 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) [2022-10-16 12:04:59,645 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 [2022-10-16 12:04:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-16 12:04:59,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-16 12:04:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-16 12:04:59,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-16 12:04:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-16 12:04:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:04:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:04:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 12:04:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 12:04:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 12:04:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 12:04:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-10-16 12:04:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-10-16 12:04:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 12:04:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 12:04:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-10-16 12:04:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-10-16 12:04:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:04:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:04:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2022-10-16 12:04:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2022-10-16 12:04:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-10-16 12:04:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-10-16 12:04:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:04:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:04:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2022-10-16 12:04:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2022-10-16 12:04:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-10-16 12:04:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-10-16 12:04:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-10-16 12:04:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-10-16 12:04:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-10-16 12:04:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-10-16 12:04:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:04:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-10-16 12:04:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-10-16 12:04:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:04:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 12:04:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-16 12:04:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 12:04:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 12:04:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-10-16 12:04:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-10-16 12:04:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:04:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:04:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-10-16 12:04:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-10-16 12:04:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2022-10-16 12:04:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2022-10-16 12:04:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 12:04:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 12:04:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-16 12:04:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-16 12:04:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-16 12:04:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-16 12:04:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-16 12:04:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-16 12:04:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-10-16 12:04:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-10-16 12:04:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-10-16 12:04:59,713 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-10-16 12:04:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:04:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 12:04:59,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 12:04:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 12:04:59,713 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 12:04:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-10-16 12:04:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-10-16 12:04:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:04:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-16 12:04:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-16 12:04:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-10-16 12:04:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-10-16 12:04:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-10-16 12:04:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-10-16 12:04:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:04:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-10-16 12:04:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-10-16 12:04:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-16 12:04:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-10-16 12:04:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 12:04:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 12:04:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 12:04:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 12:04:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-16 12:04:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-16 12:04:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-16 12:04:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-16 12:04:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-16 12:04:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-16 12:04:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 12:04:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 12:04:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-16 12:04:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-16 12:04:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:04:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:04:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:04:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-10-16 12:04:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-10-16 12:04:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-10-16 12:04:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-10-16 12:04:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-10-16 12:04:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2022-10-16 12:04:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:04:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:04:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:04:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-16 12:04:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-16 12:04:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-10-16 12:04:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-10-16 12:04:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-16 12:04:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-16 12:04:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:04:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 12:04:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 12:04:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:04:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-10-16 12:04:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-10-16 12:04:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:04:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2022-10-16 12:04:59,723 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2022-10-16 12:04:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-10-16 12:04:59,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-10-16 12:04:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:04:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:04:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-16 12:04:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-16 12:04:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-16 12:04:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-16 12:04:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-10-16 12:04:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2022-10-16 12:04:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-16 12:04:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-16 12:04:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 12:04:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 12:04:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-10-16 12:04:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-10-16 12:04:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2022-10-16 12:04:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2022-10-16 12:04:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2022-10-16 12:04:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2022-10-16 12:04:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:04:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-16 12:04:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-16 12:04:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-16 12:04:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-16 12:04:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:04:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:05:00,594 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:05:00,600 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:05:00,896 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 12:05:24,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-16 12:05:24,116 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:05:24,135 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:05:24,135 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 12:05:24,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:24 BoogieIcfgContainer [2022-10-16 12:05:24,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:05:24,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:05:24,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:05:24,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:05:24,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:04:54" (1/3) ... [2022-10-16 12:05:24,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63810c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:24, skipping insertion in model container [2022-10-16 12:05:24,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:58" (2/3) ... [2022-10-16 12:05:24,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63810c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:24, skipping insertion in model container [2022-10-16 12:05:24,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:24" (3/3) ... [2022-10-16 12:05:24,151 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-10-16 12:05:24,174 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:05:24,174 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-10-16 12:05:24,273 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:05:24,285 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42d0a91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:05:24,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-10-16 12:05:24,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 1435 states, 993 states have (on average 1.3363544813695871) internal successors, (1327), 1025 states have internal predecessors, (1327), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) [2022-10-16 12:05:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-10-16 12:05:24,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:05:24,340 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:05:24,341 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 12:05:24,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:05:24,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1993709304, now seen corresponding path program 1 times [2022-10-16 12:05:24,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:05:24,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330291895] [2022-10-16 12:05:24,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:05:24,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:05:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:05:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:05:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:05:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:05:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:05:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:05:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:05:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:05:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:05:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:05:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:05:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:05:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:05:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 12:05:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 12:05:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-16 12:05:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:05:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:05:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 12:05:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:25,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-16 12:05:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-10-16 12:05:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:26,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-10-16 12:05:26,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:05:26,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330291895] [2022-10-16 12:05:26,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330291895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:05:26,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:05:26,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:05:26,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598287719] [2022-10-16 12:05:26,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:05:26,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:05:26,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:05:26,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:05:26,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:05:26,119 INFO L87 Difference]: Start difference. First operand has 1435 states, 993 states have (on average 1.3363544813695871) internal successors, (1327), 1025 states have internal predecessors, (1327), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-10-16 12:05:29,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:05:29,609 INFO L93 Difference]: Finished difference Result 3638 states and 5220 transitions. [2022-10-16 12:05:29,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:05:29,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 252 [2022-10-16 12:05:29,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:05:29,661 INFO L225 Difference]: With dead ends: 3638 [2022-10-16 12:05:29,662 INFO L226 Difference]: Without dead ends: 2172 [2022-10-16 12:05:29,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:05:29,683 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 1262 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 4737 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:05:29,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 4737 Invalid, 1664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [607 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 12:05:29,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2022-10-16 12:05:29,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2131. [2022-10-16 12:05:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2131 states, 1519 states have (on average 1.3219223173140224) internal successors, (2008), 1554 states have internal predecessors, (2008), 492 states have call successors, (492), 96 states have call predecessors, (492), 96 states have return successors, (492), 489 states have call predecessors, (492), 492 states have call successors, (492) [2022-10-16 12:05:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 2992 transitions. [2022-10-16 12:05:29,934 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 2992 transitions. Word has length 252 [2022-10-16 12:05:29,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:05:29,936 INFO L495 AbstractCegarLoop]: Abstraction has 2131 states and 2992 transitions. [2022-10-16 12:05:29,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-10-16 12:05:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2992 transitions. [2022-10-16 12:05:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-10-16 12:05:29,949 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:05:29,950 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2022-10-16 12:05:29,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:05:29,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 12:05:29,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:05:29,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1889290612, now seen corresponding path program 1 times [2022-10-16 12:05:29,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:05:29,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176774306] [2022-10-16 12:05:29,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:05:29,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:05:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:05:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:05:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:05:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:05:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:05:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:05:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:05:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:05:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:05:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:05:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:05:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:05:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:05:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 12:05:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 12:05:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-16 12:05:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:05:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:05:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 12:05:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-16 12:05:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-10-16 12:05:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:05:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:05:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:05:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-10-16 12:05:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-10-16 12:05:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-10-16 12:05:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:05:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2022-10-16 12:05:30,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:05:30,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176774306] [2022-10-16 12:05:30,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176774306] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:05:30,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:05:30,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:05:30,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880673318] [2022-10-16 12:05:30,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:05:30,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:05:30,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:05:30,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:05:30,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:05:30,966 INFO L87 Difference]: Start difference. First operand 2131 states and 2992 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-10-16 12:05:37,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:05:39,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:05:41,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:05:42,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:05:44,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:05:46,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:05:48,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:05:50,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:05:52,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:05:55,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:05:57,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:06:00,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:06:00,266 INFO L93 Difference]: Finished difference Result 6315 states and 8917 transitions. [2022-10-16 12:06:00,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:06:00,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 281 [2022-10-16 12:06:00,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:06:00,306 INFO L225 Difference]: With dead ends: 6315 [2022-10-16 12:06:00,306 INFO L226 Difference]: Without dead ends: 4227 [2022-10-16 12:06:00,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:06:00,318 INFO L413 NwaCegarLoop]: 2099 mSDtfsCounter, 2329 mSDsluCounter, 3185 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 1526 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2597 SdHoareTripleChecker+Valid, 5284 SdHoareTripleChecker+Invalid, 3702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1526 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:06:00,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2597 Valid, 5284 Invalid, 3702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1526 Valid, 2169 Invalid, 7 Unknown, 0 Unchecked, 28.8s Time] [2022-10-16 12:06:00,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2022-10-16 12:06:00,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 4061. [2022-10-16 12:06:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4061 states, 2918 states have (on average 1.3241946538725153) internal successors, (3864), 2969 states have internal predecessors, (3864), 929 states have call successors, (929), 190 states have call predecessors, (929), 190 states have return successors, (929), 919 states have call predecessors, (929), 929 states have call successors, (929) [2022-10-16 12:06:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4061 states to 4061 states and 5722 transitions. [2022-10-16 12:06:00,582 INFO L78 Accepts]: Start accepts. Automaton has 4061 states and 5722 transitions. Word has length 281 [2022-10-16 12:06:00,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:06:00,584 INFO L495 AbstractCegarLoop]: Abstraction has 4061 states and 5722 transitions. [2022-10-16 12:06:00,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-10-16 12:06:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 4061 states and 5722 transitions. [2022-10-16 12:06:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-10-16 12:06:00,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:06:00,598 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:06:00,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:06:00,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 12:06:00,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:06:00,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1624309749, now seen corresponding path program 1 times [2022-10-16 12:06:00,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:06:00,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117672230] [2022-10-16 12:06:00,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:06:00,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:06:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:06:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:06:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:06:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:06:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:06:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:06:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:06:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:06:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:06:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:06:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:06:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:06:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:06:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 12:06:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 12:06:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-16 12:06:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:06:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:06:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 12:06:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-16 12:06:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-10-16 12:06:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 12:06:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-10-16 12:06:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2022-10-16 12:06:01,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:06:01,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117672230] [2022-10-16 12:06:01,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117672230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:06:01,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:06:01,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:06:01,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507171137] [2022-10-16 12:06:01,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:06:01,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:06:01,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:06:01,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:06:01,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:06:01,464 INFO L87 Difference]: Start difference. First operand 4061 states and 5722 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-10-16 12:06:04,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:06:04,981 INFO L93 Difference]: Finished difference Result 12145 states and 17153 transitions. [2022-10-16 12:06:04,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:06:04,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 281 [2022-10-16 12:06:04,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:06:05,054 INFO L225 Difference]: With dead ends: 12145 [2022-10-16 12:06:05,054 INFO L226 Difference]: Without dead ends: 8127 [2022-10-16 12:06:05,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:06:05,087 INFO L413 NwaCegarLoop]: 2841 mSDtfsCounter, 1924 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2166 SdHoareTripleChecker+Valid, 5877 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 570 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:06:05,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2166 Valid, 5877 Invalid, 1664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [570 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 12:06:05,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8127 states. [2022-10-16 12:06:05,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8127 to 8023. [2022-10-16 12:06:05,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8023 states, 5788 states have (on average 1.3248099516240497) internal successors, (7668), 5867 states have internal predecessors, (7668), 1831 states have call successors, (1831), 380 states have call predecessors, (1831), 380 states have return successors, (1831), 1811 states have call predecessors, (1831), 1831 states have call successors, (1831) [2022-10-16 12:06:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8023 states to 8023 states and 11330 transitions. [2022-10-16 12:06:05,605 INFO L78 Accepts]: Start accepts. Automaton has 8023 states and 11330 transitions. Word has length 281 [2022-10-16 12:06:05,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:06:05,606 INFO L495 AbstractCegarLoop]: Abstraction has 8023 states and 11330 transitions. [2022-10-16 12:06:05,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-10-16 12:06:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 8023 states and 11330 transitions. [2022-10-16 12:06:05,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-10-16 12:06:05,617 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:06:05,618 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:06:05,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:06:05,618 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 12:06:05,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:06:05,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1607786220, now seen corresponding path program 1 times [2022-10-16 12:06:05,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:06:05,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765556192] [2022-10-16 12:06:05,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:06:05,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:06:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:06:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:06:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:06:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:06:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:06:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:06:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:06:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:06:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:06:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:06:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:06:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:06:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:06:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 12:06:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 12:06:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-16 12:06:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:06:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:06:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 12:06:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-16 12:06:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-10-16 12:06:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:06:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:06:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-10-16 12:06:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:06:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:06:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-16 12:06:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-10-16 12:06:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-10-16 12:06:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:06:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:06:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:06,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2022-10-16 12:06:06,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:06:06,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765556192] [2022-10-16 12:06:06,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765556192] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:06:06,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:06:06,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:06:06,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304360517] [2022-10-16 12:06:06,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:06:06,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:06:06,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:06:06,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:06:06,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:06:06,566 INFO L87 Difference]: Start difference. First operand 8023 states and 11330 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-10-16 12:06:09,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:06:09,908 INFO L93 Difference]: Finished difference Result 23211 states and 32693 transitions. [2022-10-16 12:06:09,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:06:09,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 311 [2022-10-16 12:06:09,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:06:10,028 INFO L225 Difference]: With dead ends: 23211 [2022-10-16 12:06:10,028 INFO L226 Difference]: Without dead ends: 15231 [2022-10-16 12:06:10,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:06:10,077 INFO L413 NwaCegarLoop]: 2156 mSDtfsCounter, 1832 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2051 SdHoareTripleChecker+Valid, 4715 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:06:10,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2051 Valid, 4715 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [693 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 12:06:10,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15231 states. [2022-10-16 12:06:11,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15231 to 15035. [2022-10-16 12:06:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15035 states, 10880 states have (on average 1.3147058823529412) internal successors, (14304), 11031 states have internal predecessors, (14304), 3371 states have call successors, (3371), 760 states have call predecessors, (3371), 760 states have return successors, (3371), 3315 states have call predecessors, (3371), 3371 states have call successors, (3371) [2022-10-16 12:06:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15035 states to 15035 states and 21046 transitions. [2022-10-16 12:06:11,211 INFO L78 Accepts]: Start accepts. Automaton has 15035 states and 21046 transitions. Word has length 311 [2022-10-16 12:06:11,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:06:11,212 INFO L495 AbstractCegarLoop]: Abstraction has 15035 states and 21046 transitions. [2022-10-16 12:06:11,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-10-16 12:06:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 15035 states and 21046 transitions. [2022-10-16 12:06:11,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-10-16 12:06:11,230 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:06:11,230 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:06:11,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:06:11,231 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 12:06:11,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:06:11,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1507084368, now seen corresponding path program 1 times [2022-10-16 12:06:11,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:06:11,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106086930] [2022-10-16 12:06:11,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:06:11,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:06:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:06:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:06:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:06:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:06:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:06:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:06:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:06:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:06:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:06:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:06:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:06:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:06:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:06:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 12:06:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 12:06:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-16 12:06:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:06:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:06:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 12:06:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-16 12:06:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-10-16 12:06:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:06:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:06:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-10-16 12:06:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:06:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:06:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-10-16 12:06:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:12,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-10-16 12:06:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-10-16 12:06:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:06:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:06:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2022-10-16 12:06:12,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:06:12,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106086930] [2022-10-16 12:06:12,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106086930] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:06:12,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:06:12,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:06:12,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108599136] [2022-10-16 12:06:12,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:06:12,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:06:12,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:06:12,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:06:12,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:06:12,047 INFO L87 Difference]: Start difference. First operand 15035 states and 21046 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-10-16 12:06:16,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:06:16,001 INFO L93 Difference]: Finished difference Result 43271 states and 60545 transitions. [2022-10-16 12:06:16,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:06:16,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 313 [2022-10-16 12:06:16,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:06:16,167 INFO L225 Difference]: With dead ends: 43271 [2022-10-16 12:06:16,167 INFO L226 Difference]: Without dead ends: 28279 [2022-10-16 12:06:16,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:06:16,237 INFO L413 NwaCegarLoop]: 2390 mSDtfsCounter, 1836 mSDsluCounter, 2699 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 5089 SdHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 646 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:06:16,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 5089 Invalid, 1747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [646 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 12:06:16,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28279 states. [2022-10-16 12:06:18,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28279 to 27935. [2022-10-16 12:06:18,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27935 states, 20360 states have (on average 1.3108055009823183) internal successors, (26688), 20647 states have internal predecessors, (26688), 6095 states have call successors, (6095), 1456 states have call predecessors, (6095), 1456 states have return successors, (6095), 5967 states have call predecessors, (6095), 6095 states have call successors, (6095) [2022-10-16 12:06:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27935 states to 27935 states and 38878 transitions. [2022-10-16 12:06:18,233 INFO L78 Accepts]: Start accepts. Automaton has 27935 states and 38878 transitions. Word has length 313 [2022-10-16 12:06:18,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:06:18,234 INFO L495 AbstractCegarLoop]: Abstraction has 27935 states and 38878 transitions. [2022-10-16 12:06:18,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-10-16 12:06:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 27935 states and 38878 transitions. [2022-10-16 12:06:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-10-16 12:06:18,251 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:06:18,251 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2022-10-16 12:06:18,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:06:18,252 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 12:06:18,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:06:18,252 INFO L85 PathProgramCache]: Analyzing trace with hash -844550659, now seen corresponding path program 1 times [2022-10-16 12:06:18,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:06:18,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034101758] [2022-10-16 12:06:18,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:06:18,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:06:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:06:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:06:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:06:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:06:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:06:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:06:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:06:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:06:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:06:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:06:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:06:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:06:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:06:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 12:06:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 12:06:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-16 12:06:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:06:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:06:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 12:06:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-16 12:06:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-10-16 12:06:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:06:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:06:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-10-16 12:06:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-10-16 12:06:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-10-16 12:06:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2022-10-16 12:06:19,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:06:19,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034101758] [2022-10-16 12:06:19,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034101758] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:06:19,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:06:19,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:06:19,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973605451] [2022-10-16 12:06:19,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:06:19,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:06:19,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:06:19,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:06:19,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:06:19,630 INFO L87 Difference]: Start difference. First operand 27935 states and 38878 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-10-16 12:06:26,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:06:28,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:06:31,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:06:34,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:06:36,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:06:38,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:06:40,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:06:45,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:06:47,179 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 [] [2022-10-16 12:06:50,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:06:50,948 INFO L93 Difference]: Finished difference Result 82869 states and 115403 transitions. [2022-10-16 12:06:50,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:06:50,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 299 [2022-10-16 12:06:50,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:06:51,276 INFO L225 Difference]: With dead ends: 82869 [2022-10-16 12:06:51,277 INFO L226 Difference]: Without dead ends: 54977 [2022-10-16 12:06:51,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:06:51,383 INFO L413 NwaCegarLoop]: 2320 mSDtfsCounter, 2149 mSDsluCounter, 3373 mSDsCounter, 0 mSdLazyCounter, 2243 mSolverCounterSat, 1457 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2419 SdHoareTripleChecker+Valid, 5693 SdHoareTripleChecker+Invalid, 3707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1457 IncrementalHoareTripleChecker+Valid, 2243 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:06:51,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2419 Valid, 5693 Invalid, 3707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1457 Valid, 2243 Invalid, 7 Unknown, 0 Unchecked, 29.0s Time] [2022-10-16 12:06:51,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54977 states. [2022-10-16 12:06:54,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54977 to 52911. [2022-10-16 12:06:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52911 states, 38400 states have (on average 1.3010416666666667) internal successors, (49960), 38983 states have internal predecessors, (49960), 11613 states have call successors, (11613), 2874 states have call predecessors, (11613), 2874 states have return successors, (11613), 11325 states have call predecessors, (11613), 11613 states have call successors, (11613) [2022-10-16 12:06:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52911 states to 52911 states and 73186 transitions. [2022-10-16 12:06:55,301 INFO L78 Accepts]: Start accepts. Automaton has 52911 states and 73186 transitions. Word has length 299 [2022-10-16 12:06:55,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:06:55,302 INFO L495 AbstractCegarLoop]: Abstraction has 52911 states and 73186 transitions. [2022-10-16 12:06:55,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-10-16 12:06:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand 52911 states and 73186 transitions. [2022-10-16 12:06:55,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-10-16 12:06:55,324 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:06:55,324 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 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] [2022-10-16 12:06:55,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:06:55,324 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 12:06:55,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:06:55,325 INFO L85 PathProgramCache]: Analyzing trace with hash -714452043, now seen corresponding path program 1 times [2022-10-16 12:06:55,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:06:55,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720553222] [2022-10-16 12:06:55,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:06:55,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:06:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:55,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:06:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:55,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:55,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:06:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:55,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:06:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:06:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:06:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:06:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:06:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:06:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:06:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:06:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:06:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:06:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:06:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 12:06:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 12:06:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-16 12:06:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:06:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:06:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 12:06:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-16 12:06:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-10-16 12:06:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-10-16 12:06:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-10-16 12:06:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:06:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:06:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:06:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-10-16 12:06:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-16 12:06:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-16 12:06:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:06:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-10-16 12:06:56,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:06:56,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720553222] [2022-10-16 12:06:56,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720553222] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:06:56,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:06:56,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:06:56,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521639353] [2022-10-16 12:06:56,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:06:56,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:06:56,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:06:56,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:06:56,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:06:56,331 INFO L87 Difference]: Start difference. First operand 52911 states and 73186 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-10-16 12:07:03,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:05,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:08,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:10,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:13,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:14,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:16,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:18,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:19,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:21,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:07:21,408 INFO L93 Difference]: Finished difference Result 108595 states and 150218 transitions. [2022-10-16 12:07:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:07:21,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 303 [2022-10-16 12:07:21,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:07:21,862 INFO L225 Difference]: With dead ends: 108595 [2022-10-16 12:07:21,863 INFO L226 Difference]: Without dead ends: 55727 [2022-10-16 12:07:22,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:07:22,020 INFO L413 NwaCegarLoop]: 1844 mSDtfsCounter, 610 mSDsluCounter, 3128 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 752 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 4972 SdHoareTripleChecker+Invalid, 2378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 752 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:07:22,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 4972 Invalid, 2378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [752 Valid, 1622 Invalid, 4 Unknown, 0 Unchecked, 22.5s Time] [2022-10-16 12:07:22,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55727 states. [2022-10-16 12:07:24,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55727 to 53749. [2022-10-16 12:07:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53749 states, 38986 states have (on average 1.296798850869543) internal successors, (50557), 39569 states have internal predecessors, (50557), 11677 states have call successors, (11677), 3062 states have call predecessors, (11677), 3062 states have return successors, (11677), 11389 states have call predecessors, (11677), 11677 states have call successors, (11677) [2022-10-16 12:07:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53749 states to 53749 states and 73911 transitions. [2022-10-16 12:07:25,492 INFO L78 Accepts]: Start accepts. Automaton has 53749 states and 73911 transitions. Word has length 303 [2022-10-16 12:07:25,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:07:25,496 INFO L495 AbstractCegarLoop]: Abstraction has 53749 states and 73911 transitions. [2022-10-16 12:07:25,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-10-16 12:07:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 53749 states and 73911 transitions. [2022-10-16 12:07:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-10-16 12:07:25,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:07:25,522 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 19, 19, 19, 19, 19, 19, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:07:25,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:07:25,522 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 12:07:25,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:07:25,523 INFO L85 PathProgramCache]: Analyzing trace with hash -997417233, now seen corresponding path program 1 times [2022-10-16 12:07:25,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:07:25,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833922519] [2022-10-16 12:07:25,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:07:25,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:07:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:07:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:07:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:07:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:07:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:07:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:07:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:07:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:07:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:07:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:07:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:07:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:07:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:07:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 12:07:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 12:07:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-16 12:07:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:07:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:07:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 12:07:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-16 12:07:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-10-16 12:07:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-16 12:07:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-10-16 12:07:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-16 12:07:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-10-16 12:07:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-10-16 12:07:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-10-16 12:07:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-10-16 12:07:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-10-16 12:07:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-10-16 12:07:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2022-10-16 12:07:26,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:07:26,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833922519] [2022-10-16 12:07:26,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833922519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:07:26,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:07:26,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:07:26,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800479020] [2022-10-16 12:07:26,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:07:26,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:07:26,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:07:26,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:07:26,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:07:26,787 INFO L87 Difference]: Start difference. First operand 53749 states and 73911 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-10-16 12:07:32,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:07:32,384 INFO L93 Difference]: Finished difference Result 126593 states and 173876 transitions. [2022-10-16 12:07:32,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:07:32,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 348 [2022-10-16 12:07:32,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:07:33,099 INFO L225 Difference]: With dead ends: 126593 [2022-10-16 12:07:33,099 INFO L226 Difference]: Without dead ends: 72997 [2022-10-16 12:07:33,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:07:33,267 INFO L413 NwaCegarLoop]: 2927 mSDtfsCounter, 1612 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1822 SdHoareTripleChecker+Valid, 5575 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:07:33,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1822 Valid, 5575 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 12:07:33,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72997 states. [2022-10-16 12:07:36,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72997 to 72281. [2022-10-16 12:07:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72281 states, 52618 states have (on average 1.2942909270591814) internal successors, (68103), 53369 states have internal predecessors, (68103), 15295 states have call successors, (15295), 4344 states have call predecessors, (15295), 4344 states have return successors, (15295), 14863 states have call predecessors, (15295), 15295 states have call successors, (15295) [2022-10-16 12:07:37,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72281 states to 72281 states and 98693 transitions. [2022-10-16 12:07:37,376 INFO L78 Accepts]: Start accepts. Automaton has 72281 states and 98693 transitions. Word has length 348 [2022-10-16 12:07:37,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:07:37,377 INFO L495 AbstractCegarLoop]: Abstraction has 72281 states and 98693 transitions. [2022-10-16 12:07:37,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-10-16 12:07:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 72281 states and 98693 transitions. [2022-10-16 12:07:37,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-10-16 12:07:37,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:07:37,415 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 19, 19, 19, 19, 19, 19, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:07:37,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:07:37,416 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 12:07:37,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:07:37,416 INFO L85 PathProgramCache]: Analyzing trace with hash -550888777, now seen corresponding path program 1 times [2022-10-16 12:07:37,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:07:37,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274184801] [2022-10-16 12:07:37,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:07:37,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:07:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:07:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:07:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:07:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:07:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:07:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 12:07:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 12:07:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:07:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 12:07:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:07:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 12:07:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 12:07:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 12:07:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 12:07:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 12:07:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-16 12:07:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 12:07:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 12:07:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 12:07:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-16 12:07:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-10-16 12:07:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-16 12:07:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-10-16 12:07:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-10-16 12:07:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 12:07:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-16 12:07:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-10-16 12:07:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-10-16 12:07:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-10-16 12:07:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:07:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:07:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:07:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-10-16 12:07:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-10-16 12:07:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-10-16 12:07:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:07:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1914 trivial. 0 not checked. [2022-10-16 12:07:38,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:07:38,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274184801] [2022-10-16 12:07:38,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274184801] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:07:38,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:07:38,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:07:38,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6279181] [2022-10-16 12:07:38,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:07:38,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:07:38,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:07:38,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:07:38,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:07:38,545 INFO L87 Difference]: Start difference. First operand 72281 states and 98693 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-10-16 12:07:43,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:47,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:48,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:51,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:53,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:55,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:57,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:07:58,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:00,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:04,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:05,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:07,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:10,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:11,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:14,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:17,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:19,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:22,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:24,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:27,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:30,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:08:33,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:08:33,871 INFO L93 Difference]: Finished difference Result 216669 states and 297284 transitions. [2022-10-16 12:08:33,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:08:33,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 362 [2022-10-16 12:08:33,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:08:34,806 INFO L225 Difference]: With dead ends: 216669 [2022-10-16 12:08:34,806 INFO L226 Difference]: Without dead ends: 144541 [2022-10-16 12:08:35,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:08:35,016 INFO L413 NwaCegarLoop]: 3535 mSDtfsCounter, 1935 mSDsluCounter, 4855 mSDsCounter, 0 mSdLazyCounter, 2525 mSolverCounterSat, 929 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2211 SdHoareTripleChecker+Valid, 8390 SdHoareTripleChecker+Invalid, 3464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 929 IncrementalHoareTripleChecker+Valid, 2525 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:08:35,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2211 Valid, 8390 Invalid, 3464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [929 Valid, 2525 Invalid, 10 Unknown, 0 Unchecked, 49.0s Time] [2022-10-16 12:08:35,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144541 states.