./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 15:09:07,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:09:07,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:09:07,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:09:07,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:09:07,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:09:07,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:09:07,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:09:07,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:09:07,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:09:07,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:09:07,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:09:07,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:09:07,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:09:07,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:09:07,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:09:07,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:09:07,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:09:07,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:09:07,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:09:07,758 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:09:07,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:09:07,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:09:07,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:09:07,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:09:07,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:09:07,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:09:07,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:09:07,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:09:07,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:09:07,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:09:07,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:09:07,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:09:07,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:09:07,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:09:07,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:09:07,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:09:07,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:09:07,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:09:07,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:09:07,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:09:07,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:09:07,784 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 15:09:07,802 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:09:07,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:09:07,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:09:07,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:09:07,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:09:07,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:09:07,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:09:07,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:09:07,804 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:09:07,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:09:07,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 15:09:07,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:09:07,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:09:07,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:09:07,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:09:07,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:09:07,810 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:09:07,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:09:07,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:09:07,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:09:07,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:09:07,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:09:07,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:09:07,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:09:07,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:09:07,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 15:09:07,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 15:09:07,812 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:09:07,812 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:09:07,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:09:07,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 [2022-07-21 15:09:08,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:09:08,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:09:08,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:09:08,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:09:08,099 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:09:08,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-21 15:09:08,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5beaa853/d084e107f2eb48a5ade6d6f5f9f1900d/FLAGbb0f5639e [2022-07-21 15:09:08,980 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:09:08,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-21 15:09:09,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5beaa853/d084e107f2eb48a5ade6d6f5f9f1900d/FLAGbb0f5639e [2022-07-21 15:09:09,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5beaa853/d084e107f2eb48a5ade6d6f5f9f1900d [2022-07-21 15:09:09,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:09:09,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:09:09,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:09:09,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:09:09,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:09:09,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:09:09" (1/1) ... [2022-07-21 15:09:09,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e7ba15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:09, skipping insertion in model container [2022-07-21 15:09:09,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:09:09" (1/1) ... [2022-07-21 15:09:09,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:09:09,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:09:13,222 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-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2022-07-21 15:09:13,225 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-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2022-07-21 15:09:13,225 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-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2022-07-21 15:09:13,228 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-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2022-07-21 15:09:13,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:09:13,354 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:09:14,068 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-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2022-07-21 15:09:14,069 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-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2022-07-21 15:09:14,070 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-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2022-07-21 15:09:14,070 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-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2022-07-21 15:09:14,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:09:14,264 INFO L208 MainTranslator]: Completed translation [2022-07-21 15:09:14,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14 WrapperNode [2022-07-21 15:09:14,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 15:09:14,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 15:09:14,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 15:09:14,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 15:09:14,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14" (1/1) ... [2022-07-21 15:09:14,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14" (1/1) ... [2022-07-21 15:09:14,865 INFO L137 Inliner]: procedures = 547, calls = 8793, calls flagged for inlining = 309, calls inlined = 249, statements flattened = 13646 [2022-07-21 15:09:14,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 15:09:14,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 15:09:14,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 15:09:14,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 15:09:14,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14" (1/1) ... [2022-07-21 15:09:14,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14" (1/1) ... [2022-07-21 15:09:15,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14" (1/1) ... [2022-07-21 15:09:15,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14" (1/1) ... [2022-07-21 15:09:15,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14" (1/1) ... [2022-07-21 15:09:15,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14" (1/1) ... [2022-07-21 15:09:15,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14" (1/1) ... [2022-07-21 15:09:15,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 15:09:15,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 15:09:15,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 15:09:15,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 15:09:15,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14" (1/1) ... [2022-07-21 15:09:15,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:09:15,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:09:15,575 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) [2022-07-21 15:09:15,591 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 [2022-07-21 15:09:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 15:09:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 15:09:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-21 15:09:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-21 15:09:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 15:09:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 15:09:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 15:09:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 15:09:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-07-21 15:09:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-07-21 15:09:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-07-21 15:09:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-07-21 15:09:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-07-21 15:09:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-07-21 15:09:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-07-21 15:09:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-07-21 15:09:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-07-21 15:09:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-07-21 15:09:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-07-21 15:09:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-07-21 15:09:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-21 15:09:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-21 15:09:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-21 15:09:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-07-21 15:09:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-07-21 15:09:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-07-21 15:09:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-07-21 15:09:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-07-21 15:09:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-07-21 15:09:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-07-21 15:09:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-07-21 15:09:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 15:09:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 15:09:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 15:09:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-07-21 15:09:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-07-21 15:09:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-07-21 15:09:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-07-21 15:09:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 15:09:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 15:09:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-21 15:09:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-21 15:09:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 15:09:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 15:09:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 15:09:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 15:09:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 15:09:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 15:09:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-21 15:09:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-21 15:09:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 15:09:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-21 15:09:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-21 15:09:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-07-21 15:09:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-07-21 15:09:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-07-21 15:09:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-07-21 15:09:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 15:09:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 15:09:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-21 15:09:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-21 15:09:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-07-21 15:09:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-07-21 15:09:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 15:09:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 15:09:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-07-21 15:09:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-07-21 15:09:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 15:09:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-07-21 15:09:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-07-21 15:09:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 15:09:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 15:09:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-21 15:09:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-21 15:09:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 15:09:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-07-21 15:09:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-07-21 15:09:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 15:09:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 15:09:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-07-21 15:09:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-07-21 15:09:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-07-21 15:09:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-07-21 15:09:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-21 15:09:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-21 15:09:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 15:09:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-21 15:09:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-21 15:09:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 15:09:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 15:09:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 15:09:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 15:09:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 15:09:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 15:09:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 15:09:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 15:09:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-07-21 15:09:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-07-21 15:09:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-21 15:09:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-21 15:09:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-07-21 15:09:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-07-21 15:09:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-21 15:09:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 15:09:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 15:09:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-21 15:09:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-21 15:09:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 15:09:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-21 15:09:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-21 15:09:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 15:09:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 15:09:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 15:09:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 15:09:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-07-21 15:09:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-07-21 15:09:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 15:09:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-07-21 15:09:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-07-21 15:09:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 15:09:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 15:09:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 15:09:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 15:09:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-07-21 15:09:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-07-21 15:09:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 15:09:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 15:09:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-07-21 15:09:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-07-21 15:09:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 15:09:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 15:09:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-07-21 15:09:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-07-21 15:09:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-07-21 15:09:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-07-21 15:09:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-07-21 15:09:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-07-21 15:09:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-07-21 15:09:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-07-21 15:09:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-21 15:09:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-21 15:09:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-07-21 15:09:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-07-21 15:09:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 15:09:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 15:09:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-21 15:09:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-21 15:09:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 15:09:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 15:09:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 15:09:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 15:09:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-21 15:09:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-21 15:09:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-07-21 15:09:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-07-21 15:09:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-21 15:09:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-21 15:09:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-07-21 15:09:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-07-21 15:09:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-21 15:09:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-21 15:09:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-21 15:09:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-21 15:09:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-21 15:09:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-21 15:09:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-21 15:09:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-21 15:09:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-07-21 15:09:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-07-21 15:09:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-21 15:09:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-21 15:09:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 15:09:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 15:09:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-07-21 15:09:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-07-21 15:09:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-07-21 15:09:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-07-21 15:09:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-07-21 15:09:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-07-21 15:09:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 15:09:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 15:09:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-07-21 15:09:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-07-21 15:09:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-07-21 15:09:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-07-21 15:09:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-21 15:09:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-21 15:09:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-07-21 15:09:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-07-21 15:09:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-07-21 15:09:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-07-21 15:09:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-21 15:09:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-21 15:09:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-21 15:09:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-21 15:09:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-21 15:09:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-21 15:09:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-07-21 15:09:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-07-21 15:09:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 15:09:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 15:09:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-07-21 15:09:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-07-21 15:09:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-07-21 15:09:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-07-21 15:09:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 15:09:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 15:09:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 15:09:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-07-21 15:09:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-07-21 15:09:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 15:09:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-21 15:09:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-07-21 15:09:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-07-21 15:09:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-07-21 15:09:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-07-21 15:09:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-07-21 15:09:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-21 15:09:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-21 15:09:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-07-21 15:09:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-07-21 15:09:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 15:09:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 15:09:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 15:09:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 15:09:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 15:09:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 15:09:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 15:09:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 15:09:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 15:09:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-07-21 15:09:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-07-21 15:09:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 15:09:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 15:09:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-21 15:09:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-21 15:09:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-21 15:09:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-21 15:09:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 15:09:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 15:09:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-07-21 15:09:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-07-21 15:09:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-21 15:09:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-21 15:09:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 15:09:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 15:09:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 15:09:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 15:09:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-21 15:09:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-21 15:09:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-21 15:09:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-21 15:09:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-07-21 15:09:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-07-21 15:09:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-07-21 15:09:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-07-21 15:09:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 15:09:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 15:09:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-07-21 15:09:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-07-21 15:09:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-07-21 15:09:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-07-21 15:09:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 15:09:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 15:09:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 15:09:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 15:09:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 15:09:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-21 15:09:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-21 15:09:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-07-21 15:09:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-07-21 15:09:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 15:09:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 15:09:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-07-21 15:09:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-07-21 15:09:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 15:09:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 15:09:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-07-21 15:09:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-07-21 15:09:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-07-21 15:09:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-07-21 15:09:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-21 15:09:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-21 15:09:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-07-21 15:09:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-07-21 15:09:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-07-21 15:09:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-07-21 15:09:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-07-21 15:09:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-07-21 15:09:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-21 15:09:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-21 15:09:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-21 15:09:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-21 15:09:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-21 15:09:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-21 15:09:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 15:09:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 15:09:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-07-21 15:09:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-07-21 15:09:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-07-21 15:09:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-07-21 15:09:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 15:09:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 15:09:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-07-21 15:09:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-07-21 15:09:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-07-21 15:09:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-07-21 15:09:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-07-21 15:09:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-07-21 15:09:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-07-21 15:09:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-07-21 15:09:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-07-21 15:09:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-07-21 15:09:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-07-21 15:09:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-07-21 15:09:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-07-21 15:09:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-07-21 15:09:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 15:09:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-21 15:09:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-21 15:09:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-07-21 15:09:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-07-21 15:09:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 15:09:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 15:09:16,628 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 15:09:16,632 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 15:09:16,845 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 15:09:17,069 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774: assume 0 != __copy_to_user_nocheck_~tmp___0~26#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:09:17,069 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774: assume !(0 != __copy_to_user_nocheck_~tmp___0~26#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:09:17,069 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788: assume 0 != __copy_to_user_nocheck_~tmp___1~15#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:09:17,069 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788: assume !(0 != __copy_to_user_nocheck_~tmp___1~15#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:09:17,070 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:17,070 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:17,070 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11751: SUMMARY for call __copy_to_user_nocheck_#t~ret1089#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-07-21 15:09:17,070 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11772: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1087#1 && __copy_to_user_nocheck_#t~ret1087#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26#1 := __copy_to_user_nocheck_#t~ret1087#1;havoc __copy_to_user_nocheck_#t~ret1087#1; [2022-07-21 15:09:17,070 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:17,070 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:17,070 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:17,071 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:17,071 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:17,071 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:17,071 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:17,071 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:17,071 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11748: SUMMARY for call __copy_to_user_nocheck_#t~ret1088#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-07-21 15:09:17,071 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:17,071 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:17,072 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11740: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:09:17,072 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744: SUMMARY for call __copy_to_user_nocheck_#t~ret1087#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-07-21 15:09:17,072 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11732: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:09:17,072 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11736: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:09:17,072 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11798: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1089#1;havoc __copy_to_user_nocheck_#t~ret1089#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-07-21 15:09:17,072 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11786: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1088#1 && __copy_to_user_nocheck_#t~ret1088#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~15#1 := __copy_to_user_nocheck_#t~ret1088#1;havoc __copy_to_user_nocheck_#t~ret1088#1; [2022-07-21 15:09:17,072 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11728: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:09:18,820 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11642: SUMMARY for call __copy_from_user_nocheck_#t~ret1084#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-07-21 15:09:18,820 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:18,820 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:18,820 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:18,820 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:18,821 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:18,821 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:18,821 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:18,821 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:18,821 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:18,821 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:18,821 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11668: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1082#1 && __copy_from_user_nocheck_#t~ret1082#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25#1 := __copy_from_user_nocheck_#t~ret1082#1;havoc __copy_from_user_nocheck_#t~ret1082#1; [2022-07-21 15:09:18,821 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11635: SUMMARY for call __copy_from_user_nocheck_#t~ret1082#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-07-21 15:09:18,821 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11639: SUMMARY for call __copy_from_user_nocheck_#t~ret1083#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-07-21 15:09:18,822 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11627: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:09:18,822 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11631: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:09:18,822 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685: assume 0 != __copy_from_user_nocheck_~tmp___1~14#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:09:18,822 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685: assume !(0 != __copy_from_user_nocheck_~tmp___1~14#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:09:18,822 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11619: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:09:18,822 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:09:18,822 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:09:18,822 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:09:18,822 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670: assume 0 != __copy_from_user_nocheck_~tmp___0~25#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:09:18,823 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670: assume !(0 != __copy_from_user_nocheck_~tmp___0~25#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:09:18,823 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1084#1;havoc __copy_from_user_nocheck_#t~ret1084#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-07-21 15:09:18,823 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1083#1 && __copy_from_user_nocheck_#t~ret1083#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~14#1 := __copy_from_user_nocheck_#t~ret1083#1;havoc __copy_from_user_nocheck_#t~ret1083#1; [2022-07-21 15:11:44,021 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 15:11:44,083 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 15:11:44,100 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 15:11:44,100 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-21 15:11:44,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:11:44 BoogieIcfgContainer [2022-07-21 15:11:44,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 15:11:44,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 15:11:44,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 15:11:44,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 15:11:44,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:09:09" (1/3) ... [2022-07-21 15:11:44,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0bdfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:11:44, skipping insertion in model container [2022-07-21 15:11:44,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:09:14" (2/3) ... [2022-07-21 15:11:44,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0bdfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:11:44, skipping insertion in model container [2022-07-21 15:11:44,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:11:44" (3/3) ... [2022-07-21 15:11:44,113 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-21 15:11:44,123 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 15:11:44,123 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-21 15:11:44,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 15:11:44,208 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1b09c59b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@651f90c2 [2022-07-21 15:11:44,208 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-21 15:11:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 3297 states, 2492 states have (on average 1.3808186195826646) internal successors, (3441), 2513 states have internal predecessors, (3441), 650 states have call successors, (650), 152 states have call predecessors, (650), 151 states have return successors, (641), 635 states have call predecessors, (641), 641 states have call successors, (641) [2022-07-21 15:11:44,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-21 15:11:44,249 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:11:44,250 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:11:44,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:11:44,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:11:44,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1213133364, now seen corresponding path program 1 times [2022-07-21 15:11:44,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:11:44,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238385577] [2022-07-21 15:11:44,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:11:44,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:11:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:11:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:11:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:11:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:11:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:11:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:11:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:11:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:11:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:11:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:11:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:11:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:11:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:11:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:11:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:11:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:11:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:11:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:11:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:11:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:11:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:11:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:11:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:11:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:11:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:11:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:11:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:11:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:11:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:11:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:11:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:11:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:11:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-21 15:11:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 15:11:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:11:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2022-07-21 15:11:45,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:11:45,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238385577] [2022-07-21 15:11:45,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238385577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:11:45,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:11:45,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:11:45,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533799859] [2022-07-21 15:11:45,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:11:45,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:11:45,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:11:45,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:11:45,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:11:45,952 INFO L87 Difference]: Start difference. First operand has 3297 states, 2492 states have (on average 1.3808186195826646) internal successors, (3441), 2513 states have internal predecessors, (3441), 650 states have call successors, (650), 152 states have call predecessors, (650), 151 states have return successors, (641), 635 states have call predecessors, (641), 641 states have call successors, (641) Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 15:11:48,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:11:50,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:11:58,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:01,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:12:01,943 INFO L93 Difference]: Finished difference Result 10210 states and 14938 transitions. [2022-07-21 15:12:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:12:01,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 378 [2022-07-21 15:12:01,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:12:01,995 INFO L225 Difference]: With dead ends: 10210 [2022-07-21 15:12:01,995 INFO L226 Difference]: Without dead ends: 6966 [2022-07-21 15:12:02,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:12:02,021 INFO L413 NwaCegarLoop]: 5035 mSDtfsCounter, 6489 mSDsluCounter, 5858 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 1873 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6991 SdHoareTripleChecker+Valid, 10893 SdHoareTripleChecker+Invalid, 4703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1873 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:12:02,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6991 Valid, 10893 Invalid, 4703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1873 Valid, 2827 Invalid, 3 Unknown, 0 Unchecked, 15.3s Time] [2022-07-21 15:12:02,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6966 states. [2022-07-21 15:12:02,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6966 to 6348. [2022-07-21 15:12:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6348 states, 4828 states have (on average 1.3624689312344656) internal successors, (6578), 4867 states have internal predecessors, (6578), 1217 states have call successors, (1217), 300 states have call predecessors, (1217), 299 states have return successors, (1214), 1202 states have call predecessors, (1214), 1214 states have call successors, (1214) [2022-07-21 15:12:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6348 states to 6348 states and 9009 transitions. [2022-07-21 15:12:02,278 INFO L78 Accepts]: Start accepts. Automaton has 6348 states and 9009 transitions. Word has length 378 [2022-07-21 15:12:02,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:12:02,282 INFO L495 AbstractCegarLoop]: Abstraction has 6348 states and 9009 transitions. [2022-07-21 15:12:02,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 15:12:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 6348 states and 9009 transitions. [2022-07-21 15:12:02,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-07-21 15:12:02,297 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:12:02,298 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 31, 31, 31, 31, 31, 31, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:12:02,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 15:12:02,299 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:12:02,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:12:02,299 INFO L85 PathProgramCache]: Analyzing trace with hash -114802349, now seen corresponding path program 1 times [2022-07-21 15:12:02,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:12:02,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101509373] [2022-07-21 15:12:02,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:12:02,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:12:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:02,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:12:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:02,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:02,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:12:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:02,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:12:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:12:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:12:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:12:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:12:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:12:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:12:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:12:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:12:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:12:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:12:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:12:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:12:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:12:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:12:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:12:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:12:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:12:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:12:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:12:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:12:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:12:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:12:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:12:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:12:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:12:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:12:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:12:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:12:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-21 15:12:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 15:12:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:12:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:12:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-21 15:12:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:12:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:12:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-21 15:12:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:12:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:12:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-21 15:12:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:12:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4467 trivial. 0 not checked. [2022-07-21 15:12:03,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:12:03,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101509373] [2022-07-21 15:12:03,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101509373] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:12:03,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:12:03,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:12:03,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181968996] [2022-07-21 15:12:03,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:12:03,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:12:03,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:12:03,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:12:03,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:12:03,661 INFO L87 Difference]: Start difference. First operand 6348 states and 9009 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-21 15:12:05,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:07,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:19,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:21,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:23,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:12:23,638 INFO L93 Difference]: Finished difference Result 17281 states and 24596 transitions. [2022-07-21 15:12:23,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:12:23,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 463 [2022-07-21 15:12:23,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:12:23,693 INFO L225 Difference]: With dead ends: 17281 [2022-07-21 15:12:23,693 INFO L226 Difference]: Without dead ends: 11000 [2022-07-21 15:12:23,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:12:23,715 INFO L413 NwaCegarLoop]: 4993 mSDtfsCounter, 5349 mSDsluCounter, 6166 mSDsCounter, 0 mSdLazyCounter, 3243 mSolverCounterSat, 2799 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5725 SdHoareTripleChecker+Valid, 11159 SdHoareTripleChecker+Invalid, 6046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2799 IncrementalHoareTripleChecker+Valid, 3243 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:12:23,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5725 Valid, 11159 Invalid, 6046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2799 Valid, 3243 Invalid, 4 Unknown, 0 Unchecked, 19.4s Time] [2022-07-21 15:12:23,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11000 states. [2022-07-21 15:12:23,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11000 to 9632. [2022-07-21 15:12:24,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9632 states, 7240 states have (on average 1.3408839779005526) internal successors, (9708), 7296 states have internal predecessors, (9708), 1882 states have call successors, (1882), 507 states have call predecessors, (1882), 506 states have return successors, (1879), 1858 states have call predecessors, (1879), 1879 states have call successors, (1879) [2022-07-21 15:12:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9632 states to 9632 states and 13469 transitions. [2022-07-21 15:12:24,051 INFO L78 Accepts]: Start accepts. Automaton has 9632 states and 13469 transitions. Word has length 463 [2022-07-21 15:12:24,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:12:24,053 INFO L495 AbstractCegarLoop]: Abstraction has 9632 states and 13469 transitions. [2022-07-21 15:12:24,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-21 15:12:24,054 INFO L276 IsEmpty]: Start isEmpty. Operand 9632 states and 13469 transitions. [2022-07-21 15:12:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-07-21 15:12:24,070 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:12:24,070 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 31, 31, 31, 31, 31, 31, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:12:24,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 15:12:24,071 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:12:24,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:12:24,072 INFO L85 PathProgramCache]: Analyzing trace with hash 839581145, now seen corresponding path program 1 times [2022-07-21 15:12:24,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:12:24,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812182945] [2022-07-21 15:12:24,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:12:24,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:12:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:12:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:12:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:12:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:12:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:12:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:12:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:12:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:12:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:12:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:12:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:12:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:12:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:12:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:12:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:12:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:12:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:12:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:12:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:12:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:12:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:12:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:12:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:12:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:12:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:12:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:12:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:12:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:12:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:12:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:12:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:12:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-21 15:12:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-21 15:12:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-21 15:12:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 15:12:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:12:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:12:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-21 15:12:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:12:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:12:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-21 15:12:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:12:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:12:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-21 15:12:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:12:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4599 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4590 trivial. 0 not checked. [2022-07-21 15:12:25,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:12:25,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812182945] [2022-07-21 15:12:25,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812182945] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:12:25,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:12:25,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:12:25,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431440960] [2022-07-21 15:12:25,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:12:25,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:12:25,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:12:25,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:12:25,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:12:25,113 INFO L87 Difference]: Start difference. First operand 9632 states and 13469 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-21 15:12:27,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:29,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:38,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:41,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:43,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:12:43,634 INFO L93 Difference]: Finished difference Result 22691 states and 31936 transitions. [2022-07-21 15:12:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:12:43,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 488 [2022-07-21 15:12:43,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:12:43,711 INFO L225 Difference]: With dead ends: 22691 [2022-07-21 15:12:43,712 INFO L226 Difference]: Without dead ends: 13126 [2022-07-21 15:12:43,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:12:43,750 INFO L413 NwaCegarLoop]: 5251 mSDtfsCounter, 8246 mSDsluCounter, 6213 mSDsCounter, 0 mSdLazyCounter, 3527 mSolverCounterSat, 3580 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8807 SdHoareTripleChecker+Valid, 11464 SdHoareTripleChecker+Invalid, 7111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3580 IncrementalHoareTripleChecker+Valid, 3527 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:12:43,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8807 Valid, 11464 Invalid, 7111 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3580 Valid, 3527 Invalid, 4 Unknown, 0 Unchecked, 18.0s Time] [2022-07-21 15:12:43,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13126 states. [2022-07-21 15:12:44,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13126 to 11504. [2022-07-21 15:12:44,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11504 states, 8598 states have (on average 1.3322865782740172) internal successors, (11455), 8666 states have internal predecessors, (11455), 2271 states have call successors, (2271), 634 states have call predecessors, (2271), 631 states have return successors, (2268), 2238 states have call predecessors, (2268), 2268 states have call successors, (2268) [2022-07-21 15:12:44,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11504 states to 11504 states and 15994 transitions. [2022-07-21 15:12:44,071 INFO L78 Accepts]: Start accepts. Automaton has 11504 states and 15994 transitions. Word has length 488 [2022-07-21 15:12:44,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:12:44,074 INFO L495 AbstractCegarLoop]: Abstraction has 11504 states and 15994 transitions. [2022-07-21 15:12:44,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-21 15:12:44,074 INFO L276 IsEmpty]: Start isEmpty. Operand 11504 states and 15994 transitions. [2022-07-21 15:12:44,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-21 15:12:44,086 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:12:44,086 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 32, 32, 32, 32, 32, 32, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:12:44,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 15:12:44,086 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:12:44,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:12:44,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1815858272, now seen corresponding path program 1 times [2022-07-21 15:12:44,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:12:44,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767250448] [2022-07-21 15:12:44,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:12:44,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:12:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:12:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:12:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:12:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:12:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:12:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:12:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:12:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:12:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:12:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:12:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:12:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:12:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:12:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:12:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:12:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:12:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:12:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:12:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:12:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:12:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:12:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:12:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:12:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:12:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:12:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:12:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:12:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:12:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:12:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:12:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:12:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-21 15:12:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-21 15:12:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-21 15:12:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 15:12:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 15:12:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 15:12:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 15:12:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:12:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-21 15:12:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 15:12:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-21 15:12:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:12:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4890 trivial. 0 not checked. [2022-07-21 15:12:45,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:12:45,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767250448] [2022-07-21 15:12:45,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767250448] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:12:45,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:12:45,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:12:45,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366667090] [2022-07-21 15:12:45,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:12:45,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:12:45,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:12:45,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:12:45,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:12:45,180 INFO L87 Difference]: Start difference. First operand 11504 states and 15994 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-21 15:12:47,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:49,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:57,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:12:59,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:12:59,378 INFO L93 Difference]: Finished difference Result 32711 states and 45956 transitions. [2022-07-21 15:12:59,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:12:59,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 472 [2022-07-21 15:12:59,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:12:59,461 INFO L225 Difference]: With dead ends: 32711 [2022-07-21 15:12:59,461 INFO L226 Difference]: Without dead ends: 22822 [2022-07-21 15:12:59,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:12:59,498 INFO L413 NwaCegarLoop]: 6901 mSDtfsCounter, 5662 mSDsluCounter, 6845 mSDsCounter, 0 mSdLazyCounter, 2861 mSolverCounterSat, 1508 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6149 SdHoareTripleChecker+Valid, 13746 SdHoareTripleChecker+Invalid, 4372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1508 IncrementalHoareTripleChecker+Valid, 2861 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-07-21 15:12:59,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6149 Valid, 13746 Invalid, 4372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1508 Valid, 2861 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2022-07-21 15:12:59,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22822 states. [2022-07-21 15:12:59,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22822 to 20785. [2022-07-21 15:12:59,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20785 states, 15611 states have (on average 1.337326244314906) internal successors, (20877), 15721 states have internal predecessors, (20877), 4044 states have call successors, (4044), 1129 states have call predecessors, (4044), 1126 states have return successors, (4041), 3995 states have call predecessors, (4041), 4041 states have call successors, (4041) [2022-07-21 15:13:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20785 states to 20785 states and 28962 transitions. [2022-07-21 15:13:00,043 INFO L78 Accepts]: Start accepts. Automaton has 20785 states and 28962 transitions. Word has length 472 [2022-07-21 15:13:00,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:13:00,045 INFO L495 AbstractCegarLoop]: Abstraction has 20785 states and 28962 transitions. [2022-07-21 15:13:00,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-21 15:13:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 20785 states and 28962 transitions. [2022-07-21 15:13:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-21 15:13:00,062 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:13:00,063 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 32, 32, 32, 32, 32, 32, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:13:00,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 15:13:00,063 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:13:00,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:13:00,064 INFO L85 PathProgramCache]: Analyzing trace with hash -428125026, now seen corresponding path program 1 times [2022-07-21 15:13:00,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:13:00,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781251250] [2022-07-21 15:13:00,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:13:00,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:13:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:13:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:13:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:13:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:13:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:13:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:13:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:13:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:13:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:13:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:13:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:13:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:13:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:13:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:13:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:13:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:13:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:13:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:13:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:13:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:13:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:13:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:13:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:13:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:13:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:13:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:13:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:13:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:13:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:13:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:13:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:13:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-21 15:13:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-21 15:13:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-21 15:13:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 15:13:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 15:13:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 15:13:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 15:13:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-21 15:13:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 15:13:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-21 15:13:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:01,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4910 trivial. 0 not checked. [2022-07-21 15:13:01,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:13:01,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781251250] [2022-07-21 15:13:01,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781251250] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:13:01,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:13:01,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:13:01,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018633815] [2022-07-21 15:13:01,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:13:01,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:13:01,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:13:01,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:13:01,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:13:01,329 INFO L87 Difference]: Start difference. First operand 20785 states and 28962 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 15:13:03,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:13:10,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:13:12,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:13:18,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:13:18,664 INFO L93 Difference]: Finished difference Result 63026 states and 88541 transitions. [2022-07-21 15:13:18,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 15:13:18,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 472 [2022-07-21 15:13:18,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:13:18,852 INFO L225 Difference]: With dead ends: 63026 [2022-07-21 15:13:18,852 INFO L226 Difference]: Without dead ends: 43790 [2022-07-21 15:13:18,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:13:18,930 INFO L413 NwaCegarLoop]: 6613 mSDtfsCounter, 6242 mSDsluCounter, 11923 mSDsCounter, 0 mSdLazyCounter, 4808 mSolverCounterSat, 1720 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6745 SdHoareTripleChecker+Valid, 18536 SdHoareTripleChecker+Invalid, 6531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1720 IncrementalHoareTripleChecker+Valid, 4808 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:13:18,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6745 Valid, 18536 Invalid, 6531 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1720 Valid, 4808 Invalid, 3 Unknown, 0 Unchecked, 16.4s Time] [2022-07-21 15:13:18,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43790 states. [2022-07-21 15:13:20,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43790 to 39885. [2022-07-21 15:13:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39885 states, 30007 states have (on average 1.3388542673376211) internal successors, (40175), 30207 states have internal predecessors, (40175), 7718 states have call successors, (7718), 2155 states have call predecessors, (7718), 2156 states have return successors, (7747), 7635 states have call predecessors, (7747), 7715 states have call successors, (7747) [2022-07-21 15:13:20,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39885 states to 39885 states and 55640 transitions. [2022-07-21 15:13:20,260 INFO L78 Accepts]: Start accepts. Automaton has 39885 states and 55640 transitions. Word has length 472 [2022-07-21 15:13:20,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:13:20,261 INFO L495 AbstractCegarLoop]: Abstraction has 39885 states and 55640 transitions. [2022-07-21 15:13:20,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 15:13:20,261 INFO L276 IsEmpty]: Start isEmpty. Operand 39885 states and 55640 transitions. [2022-07-21 15:13:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2022-07-21 15:13:20,306 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:13:20,306 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 32, 32, 32, 32, 32, 32, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:13:20,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 15:13:20,306 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:13:20,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:13:20,307 INFO L85 PathProgramCache]: Analyzing trace with hash 500401965, now seen corresponding path program 1 times [2022-07-21 15:13:20,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:13:20,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710020667] [2022-07-21 15:13:20,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:13:20,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:13:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:13:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:13:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:13:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:13:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:13:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:13:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:13:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:13:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:13:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:13:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:13:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:13:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:13:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:13:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:13:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:13:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:13:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:13:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:13:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:13:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:13:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:13:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:13:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:13:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:13:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:13:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:13:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:13:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:13:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:13:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:13:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-21 15:13:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-21 15:13:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-21 15:13:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 15:13:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 15:13:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 15:13:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-21 15:13:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 15:13:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-21 15:13:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-21 15:13:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-21 15:13:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 15:13:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-21 15:13:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:13:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:13:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-21 15:13:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:13:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:13:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-21 15:13:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:13:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:13:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-21 15:13:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:13:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:13:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:13:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5353 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5353 trivial. 0 not checked. [2022-07-21 15:13:21,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:13:21,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710020667] [2022-07-21 15:13:21,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710020667] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:13:21,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:13:21,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:13:21,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620160992] [2022-07-21 15:13:21,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:13:21,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:13:21,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:13:21,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:13:21,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:13:21,679 INFO L87 Difference]: Start difference. First operand 39885 states and 55640 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53)