./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-18 14:30:30,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 14:30:30,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 14:30:30,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 14:30:30,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 14:30:30,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 14:30:30,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 14:30:30,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 14:30:30,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 14:30:30,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 14:30:30,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 14:30:30,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 14:30:30,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 14:30:30,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 14:30:30,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 14:30:30,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 14:30:30,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 14:30:30,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 14:30:30,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 14:30:30,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 14:30:30,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 14:30:30,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 14:30:30,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 14:30:30,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 14:30:30,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 14:30:30,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 14:30:30,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 14:30:30,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 14:30:30,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 14:30:30,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 14:30:30,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 14:30:30,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 14:30:30,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 14:30:30,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 14:30:30,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 14:30:30,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 14:30:30,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 14:30:30,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 14:30:30,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 14:30:30,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 14:30:30,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 14:30:30,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 14:30:30,283 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 14:30:30,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 14:30:30,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 14:30:30,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 14:30:30,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 14:30:30,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 14:30:30,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 14:30:30,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 14:30:30,285 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 14:30:30,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 14:30:30,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 14:30:30,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 14:30:30,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 14:30:30,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 14:30:30,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 14:30:30,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 14:30:30,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 14:30:30,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 14:30:30,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 14:30:30,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 14:30:30,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 14:30:30,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:30:30,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 14:30:30,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 14:30:30,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 14:30:30,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 14:30:30,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 14:30:30,288 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 14:30:30,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 14:30:30,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 14:30:30,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 14:30:30,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 [2021-12-18 14:30:30,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 14:30:30,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 14:30:30,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 14:30:30,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 14:30:30,441 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 14:30:30,442 INFO L432 ainManager$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 [2021-12-18 14:30:30,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a69d9b6d/a3e42267c2b74200bd604295dadb6f2d/FLAG3680f1d6c [2021-12-18 14:30:31,222 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 14:30:31,223 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 [2021-12-18 14:30:31,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a69d9b6d/a3e42267c2b74200bd604295dadb6f2d/FLAG3680f1d6c [2021-12-18 14:30:31,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a69d9b6d/a3e42267c2b74200bd604295dadb6f2d [2021-12-18 14:30:31,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 14:30:31,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 14:30:31,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 14:30:31,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 14:30:31,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 14:30:31,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:30:31" (1/1) ... [2021-12-18 14:30:31,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bafffb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:31, skipping insertion in model container [2021-12-18 14:30:31,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:30:31" (1/1) ... [2021-12-18 14:30:31,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 14:30:31,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 14:30:35,115 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] [2021-12-18 14:30:35,118 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] [2021-12-18 14:30:35,125 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] [2021-12-18 14:30:35,126 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] [2021-12-18 14:30:35,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:30:35,231 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 14:30:35,709 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] [2021-12-18 14:30:35,710 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] [2021-12-18 14:30:35,710 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] [2021-12-18 14:30:35,710 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] [2021-12-18 14:30:35,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:30:35,878 INFO L208 MainTranslator]: Completed translation [2021-12-18 14:30:35,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35 WrapperNode [2021-12-18 14:30:35,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 14:30:35,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 14:30:35,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 14:30:35,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 14:30:35,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35" (1/1) ... [2021-12-18 14:30:36,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35" (1/1) ... [2021-12-18 14:30:36,340 INFO L137 Inliner]: procedures = 547, calls = 8792, calls flagged for inlining = 309, calls inlined = 249, statements flattened = 13527 [2021-12-18 14:30:36,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 14:30:36,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 14:30:36,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 14:30:36,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 14:30:36,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35" (1/1) ... [2021-12-18 14:30:36,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35" (1/1) ... [2021-12-18 14:30:36,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35" (1/1) ... [2021-12-18 14:30:36,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35" (1/1) ... [2021-12-18 14:30:36,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35" (1/1) ... [2021-12-18 14:30:36,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35" (1/1) ... [2021-12-18 14:30:36,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35" (1/1) ... [2021-12-18 14:30:36,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 14:30:36,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 14:30:36,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 14:30:36,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 14:30:36,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35" (1/1) ... [2021-12-18 14:30:36,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:30:36,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:30:36,981 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) [2021-12-18 14:30:37,052 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 [2021-12-18 14:30:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 14:30:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 14:30:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-18 14:30:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-18 14:30:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 14:30:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 14:30:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 14:30:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 14:30:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2021-12-18 14:30:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2021-12-18 14:30:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2021-12-18 14:30:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2021-12-18 14:30:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2021-12-18 14:30:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2021-12-18 14:30:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-12-18 14:30:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-12-18 14:30:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2021-12-18 14:30:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2021-12-18 14:30:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2021-12-18 14:30:37,091 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2021-12-18 14:30:37,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-18 14:30:37,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-18 14:30:37,091 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-18 14:30:37,091 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2021-12-18 14:30:37,091 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2021-12-18 14:30:37,091 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2021-12-18 14:30:37,091 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2021-12-18 14:30:37,091 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2021-12-18 14:30:37,091 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2021-12-18 14:30:37,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2021-12-18 14:30:37,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2021-12-18 14:30:37,091 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 14:30:37,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 14:30:37,091 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 14:30:37,092 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2021-12-18 14:30:37,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2021-12-18 14:30:37,092 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2021-12-18 14:30:37,092 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2021-12-18 14:30:37,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 14:30:37,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 14:30:37,093 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-18 14:30:37,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-18 14:30:37,093 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 14:30:37,093 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 14:30:37,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 14:30:37,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 14:30:37,094 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 14:30:37,094 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 14:30:37,094 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-12-18 14:30:37,094 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-12-18 14:30:37,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 14:30:37,095 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2021-12-18 14:30:37,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2021-12-18 14:30:37,096 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2021-12-18 14:30:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2021-12-18 14:30:37,096 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2021-12-18 14:30:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2021-12-18 14:30:37,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 14:30:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 14:30:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-18 14:30:37,097 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-18 14:30:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2021-12-18 14:30:37,097 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2021-12-18 14:30:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 14:30:37,097 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 14:30:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2021-12-18 14:30:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2021-12-18 14:30:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 14:30:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2021-12-18 14:30:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2021-12-18 14:30:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 14:30:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 14:30:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2021-12-18 14:30:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2021-12-18 14:30:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 14:30:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2021-12-18 14:30:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2021-12-18 14:30:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 14:30:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 14:30:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2021-12-18 14:30:37,100 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2021-12-18 14:30:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2021-12-18 14:30:37,100 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2021-12-18 14:30:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-18 14:30:37,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-18 14:30:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 14:30:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-12-18 14:30:37,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-12-18 14:30:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 14:30:37,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 14:30:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 14:30:37,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 14:30:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-18 14:30:37,102 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-18 14:30:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 14:30:37,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 14:30:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2021-12-18 14:30:37,103 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2021-12-18 14:30:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-18 14:30:37,103 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-18 14:30:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2021-12-18 14:30:37,104 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2021-12-18 14:30:37,104 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-18 14:30:37,104 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 14:30:37,104 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 14:30:37,104 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-12-18 14:30:37,104 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-12-18 14:30:37,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 14:30:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-18 14:30:37,105 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-18 14:30:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 14:30:37,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 14:30:37,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 14:30:37,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 14:30:37,107 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2021-12-18 14:30:37,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2021-12-18 14:30:37,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 14:30:37,108 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2021-12-18 14:30:37,109 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2021-12-18 14:30:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 14:30:37,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 14:30:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 14:30:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 14:30:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2021-12-18 14:30:37,114 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2021-12-18 14:30:37,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:30:37,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:30:37,114 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2021-12-18 14:30:37,114 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2021-12-18 14:30:37,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-18 14:30:37,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-18 14:30:37,114 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2021-12-18 14:30:37,115 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2021-12-18 14:30:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2021-12-18 14:30:37,115 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2021-12-18 14:30:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2021-12-18 14:30:37,115 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2021-12-18 14:30:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2021-12-18 14:30:37,115 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2021-12-18 14:30:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2021-12-18 14:30:37,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2021-12-18 14:30:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2021-12-18 14:30:37,116 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2021-12-18 14:30:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 14:30:37,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 14:30:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-18 14:30:37,116 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-18 14:30:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 14:30:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 14:30:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 14:30:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 14:30:37,117 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-18 14:30:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-18 14:30:37,117 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2021-12-18 14:30:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2021-12-18 14:30:37,117 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-12-18 14:30:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-12-18 14:30:37,117 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2021-12-18 14:30:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2021-12-18 14:30:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-12-18 14:30:37,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-12-18 14:30:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-18 14:30:37,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-18 14:30:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-12-18 14:30:37,118 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-12-18 14:30:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-18 14:30:37,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-18 14:30:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2021-12-18 14:30:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2021-12-18 14:30:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-18 14:30:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-18 14:30:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 14:30:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 14:30:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2021-12-18 14:30:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2021-12-18 14:30:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2021-12-18 14:30:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2021-12-18 14:30:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2021-12-18 14:30:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2021-12-18 14:30:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 14:30:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 14:30:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2021-12-18 14:30:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2021-12-18 14:30:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2021-12-18 14:30:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2021-12-18 14:30:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-18 14:30:37,121 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-18 14:30:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2021-12-18 14:30:37,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2021-12-18 14:30:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2021-12-18 14:30:37,121 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2021-12-18 14:30:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-18 14:30:37,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-18 14:30:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-18 14:30:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-18 14:30:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-12-18 14:30:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-12-18 14:30:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2021-12-18 14:30:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2021-12-18 14:30:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 14:30:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 14:30:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2021-12-18 14:30:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2021-12-18 14:30:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2021-12-18 14:30:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2021-12-18 14:30:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 14:30:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 14:30:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 14:30:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2021-12-18 14:30:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2021-12-18 14:30:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 14:30:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2021-12-18 14:30:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2021-12-18 14:30:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2021-12-18 14:30:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2021-12-18 14:30:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2021-12-18 14:30:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2021-12-18 14:30:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-18 14:30:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-18 14:30:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2021-12-18 14:30:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2021-12-18 14:30:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 14:30:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 14:30:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 14:30:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-18 14:30:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-18 14:30:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 14:30:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 14:30:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 14:30:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 14:30:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2021-12-18 14:30:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2021-12-18 14:30:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 14:30:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 14:30:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-18 14:30:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-18 14:30:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2021-12-18 14:30:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2021-12-18 14:30:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 14:30:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 14:30:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2021-12-18 14:30:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2021-12-18 14:30:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-18 14:30:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-18 14:30:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 14:30:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 14:30:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 14:30:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 14:30:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2021-12-18 14:30:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2021-12-18 14:30:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2021-12-18 14:30:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2021-12-18 14:30:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-12-18 14:30:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-12-18 14:30:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2021-12-18 14:30:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2021-12-18 14:30:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 14:30:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 14:30:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2021-12-18 14:30:37,133 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2021-12-18 14:30:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2021-12-18 14:30:37,133 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2021-12-18 14:30:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 14:30:37,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 14:30:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 14:30:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 14:30:37,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 14:30:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-18 14:30:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-18 14:30:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2021-12-18 14:30:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2021-12-18 14:30:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 14:30:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 14:30:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2021-12-18 14:30:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2021-12-18 14:30:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 14:30:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 14:30:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2021-12-18 14:30:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2021-12-18 14:30:37,135 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2021-12-18 14:30:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2021-12-18 14:30:37,135 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-12-18 14:30:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-12-18 14:30:37,135 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2021-12-18 14:30:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2021-12-18 14:30:37,135 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2021-12-18 14:30:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2021-12-18 14:30:37,136 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-12-18 14:30:37,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-12-18 14:30:37,136 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-18 14:30:37,136 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-18 14:30:37,136 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2021-12-18 14:30:37,136 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2021-12-18 14:30:37,136 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-18 14:30:37,136 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-18 14:30:37,136 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 14:30:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 14:30:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2021-12-18 14:30:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2021-12-18 14:30:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2021-12-18 14:30:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2021-12-18 14:30:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 14:30:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 14:30:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2021-12-18 14:30:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2021-12-18 14:30:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2021-12-18 14:30:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2021-12-18 14:30:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2021-12-18 14:30:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2021-12-18 14:30:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2021-12-18 14:30:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2021-12-18 14:30:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2021-12-18 14:30:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2021-12-18 14:30:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2021-12-18 14:30:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2021-12-18 14:30:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2021-12-18 14:30:37,139 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2021-12-18 14:30:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 14:30:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-18 14:30:37,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-18 14:30:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2021-12-18 14:30:37,139 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2021-12-18 14:30:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 14:30:37,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 14:30:38,105 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 14:30:38,108 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 14:30:38,209 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 14:30:38,460 INFO L768 $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; [2021-12-18 14:30:38,460 INFO L768 $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; [2021-12-18 14:30:38,461 INFO L768 $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; [2021-12-18 14:30:38,461 INFO L768 $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; [2021-12-18 14:30:38,461 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:38,461 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:38,461 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11751: SUMMARY for call __copy_to_user_nocheck_#t~ret1088#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 [2021-12-18 14:30:38,461 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11772: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1086#1 && __copy_to_user_nocheck_#t~ret1086#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26#1 := __copy_to_user_nocheck_#t~ret1086#1;havoc __copy_to_user_nocheck_#t~ret1086#1; [2021-12-18 14:30:38,461 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:38,462 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:38,462 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:38,462 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:38,462 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:38,462 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:38,462 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:38,462 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:38,462 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11748: 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 [2021-12-18 14:30:38,463 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:38,463 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:38,463 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11740: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-12-18 14:30:38,463 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744: SUMMARY for call __copy_to_user_nocheck_#t~ret1086#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2021-12-18 14:30:38,463 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11732: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-12-18 14:30:38,463 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11736: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-12-18 14:30:38,463 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11798: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1088#1;havoc __copy_to_user_nocheck_#t~ret1088#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); [2021-12-18 14:30:38,463 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11786: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1087#1 && __copy_to_user_nocheck_#t~ret1087#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~15#1 := __copy_to_user_nocheck_#t~ret1087#1;havoc __copy_to_user_nocheck_#t~ret1087#1; [2021-12-18 14:30:38,464 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11728: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-12-18 14:30:40,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11642: SUMMARY for call __copy_from_user_nocheck_#t~ret1083#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 [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11668: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1081#1 && __copy_from_user_nocheck_#t~ret1081#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25#1 := __copy_from_user_nocheck_#t~ret1081#1;havoc __copy_from_user_nocheck_#t~ret1081#1; [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11635: SUMMARY for call __copy_from_user_nocheck_#t~ret1081#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11639: 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 [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11627: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11631: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-12-18 14:30:40,294 INFO L768 $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; [2021-12-18 14:30:40,294 INFO L768 $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; [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11619: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-12-18 14:30:40,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2021-12-18 14:30:40,295 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2021-12-18 14:30:40,295 INFO L768 $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; [2021-12-18 14:30:40,295 INFO L768 $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; [2021-12-18 14:30:40,295 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1083#1;havoc __copy_from_user_nocheck_#t~ret1083#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); [2021-12-18 14:30:40,295 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1082#1 && __copy_from_user_nocheck_#t~ret1082#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~14#1 := __copy_from_user_nocheck_#t~ret1082#1;havoc __copy_from_user_nocheck_#t~ret1082#1; [2021-12-18 14:32:54,400 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 14:32:54,473 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 14:32:54,499 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 14:32:54,499 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-18 14:32:54,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:32:54 BoogieIcfgContainer [2021-12-18 14:32:54,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 14:32:54,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 14:32:54,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 14:32:54,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 14:32:54,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:30:31" (1/3) ... [2021-12-18 14:32:54,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1917f631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:32:54, skipping insertion in model container [2021-12-18 14:32:54,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:30:35" (2/3) ... [2021-12-18 14:32:54,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1917f631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:32:54, skipping insertion in model container [2021-12-18 14:32:54,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:32:54" (3/3) ... [2021-12-18 14:32:54,511 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-12-18 14:32:54,514 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 14:32:54,515 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-18 14:32:54,569 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 14:32:54,573 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 14:32:54,573 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-18 14:32:54,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 3238 states, 2433 states have (on average 1.368269625976161) internal successors, (3329), 2454 states have internal predecessors, (3329), 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) [2021-12-18 14:32:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-12-18 14:32:54,642 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:32:54,643 INFO L514 BasicCegarLoop]: 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] [2021-12-18 14:32:54,643 INFO L402 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)] === [2021-12-18 14:32:54,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:32:54,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1878395366, now seen corresponding path program 1 times [2021-12-18 14:32:54,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:32:54,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652500113] [2021-12-18 14:32:54,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:32:54,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:32:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:32:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:32:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:32:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:32:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:32:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:32:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:32:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:32:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:32:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:32:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:32:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:32:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:32:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:32:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:32:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:32:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:32:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:32:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:32:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:32:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:32:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:32:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:32:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:32:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:32:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:32:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:32:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:32:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:32:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:32:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:32:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 14:32:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 14:32:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2021-12-18 14:32:56,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:32:56,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652500113] [2021-12-18 14:32:56,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652500113] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:32:56,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:32:56,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:32:56,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419497667] [2021-12-18 14:32:56,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:32:56,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:32:56,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:32:56,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:32:56,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:32:56,276 INFO L87 Difference]: Start difference. First operand has 3238 states, 2433 states have (on average 1.368269625976161) internal successors, (3329), 2454 states have internal predecessors, (3329), 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) [2021-12-18 14:32:58,443 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 [] [2021-12-18 14:33:00,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:07,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:10,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:33:10,834 INFO L93 Difference]: Finished difference Result 10017 states and 14472 transitions. [2021-12-18 14:33:10,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:33:10,838 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 [2021-12-18 14:33:10,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:33:10,893 INFO L225 Difference]: With dead ends: 10017 [2021-12-18 14:33:10,894 INFO L226 Difference]: Without dead ends: 6832 [2021-12-18 14:33:10,913 INFO L932 BasicCegarLoop]: 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 [2021-12-18 14:33:10,915 INFO L933 BasicCegarLoop]: 4953 mSDtfsCounter, 6292 mSDsluCounter, 6198 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 1880 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6792 SdHoareTripleChecker+Valid, 11151 SdHoareTripleChecker+Invalid, 4238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1880 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-12-18 14:33:10,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6792 Valid, 11151 Invalid, 4238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1880 Valid, 2355 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2021-12-18 14:33:10,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6832 states. [2021-12-18 14:33:11,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6832 to 6230. [2021-12-18 14:33:11,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6230 states, 4710 states have (on average 1.3617834394904458) internal successors, (6414), 4749 states have internal predecessors, (6414), 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) [2021-12-18 14:33:11,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6230 states to 6230 states and 8845 transitions. [2021-12-18 14:33:11,186 INFO L78 Accepts]: Start accepts. Automaton has 6230 states and 8845 transitions. Word has length 378 [2021-12-18 14:33:11,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:33:11,187 INFO L470 AbstractCegarLoop]: Abstraction has 6230 states and 8845 transitions. [2021-12-18 14:33:11,188 INFO L471 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) [2021-12-18 14:33:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 6230 states and 8845 transitions. [2021-12-18 14:33:11,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-12-18 14:33:11,199 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:33:11,200 INFO L514 BasicCegarLoop]: 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] [2021-12-18 14:33:11,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 14:33:11,200 INFO L402 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)] === [2021-12-18 14:33:11,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:33:11,201 INFO L85 PathProgramCache]: Analyzing trace with hash 996268435, now seen corresponding path program 1 times [2021-12-18 14:33:11,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:33:11,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068327381] [2021-12-18 14:33:11,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:33:11,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:33:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:33:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:33:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:33:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:33:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:33:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:33:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:33:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:33:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:33:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:33:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:33:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:33:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:33:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:33:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:33:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:33:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:33:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:33:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:33:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:33:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:33:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:33:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:33:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:33:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:33:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:33:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:33:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:33:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:33:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:33:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:33:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 14:33:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 14:33:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:33:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:33:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 14:33:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:33:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:33:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-18 14:33:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:33:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:33:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 14:33:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:33:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4467 trivial. 0 not checked. [2021-12-18 14:33:12,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:33:12,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068327381] [2021-12-18 14:33:12,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068327381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:33:12,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:33:12,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:33:12,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397418263] [2021-12-18 14:33:12,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:33:12,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:33:12,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:33:12,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:33:12,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:33:12,489 INFO L87 Difference]: Start difference. First operand 6230 states and 8845 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) [2021-12-18 14:33:14,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:16,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:17,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:31,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:33,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:35,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:38,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:33:38,239 INFO L93 Difference]: Finished difference Result 16913 states and 24088 transitions. [2021-12-18 14:33:38,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:33:38,240 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 [2021-12-18 14:33:38,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:33:38,301 INFO L225 Difference]: With dead ends: 16913 [2021-12-18 14:33:38,301 INFO L226 Difference]: Without dead ends: 10750 [2021-12-18 14:33:38,325 INFO L932 BasicCegarLoop]: 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 [2021-12-18 14:33:38,327 INFO L933 BasicCegarLoop]: 4848 mSDtfsCounter, 3834 mSDsluCounter, 8356 mSDsCounter, 0 mSdLazyCounter, 3963 mSolverCounterSat, 1603 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4212 SdHoareTripleChecker+Valid, 13204 SdHoareTripleChecker+Invalid, 5570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1603 IncrementalHoareTripleChecker+Valid, 3963 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:33:38,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4212 Valid, 13204 Invalid, 5570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1603 Valid, 3963 Invalid, 4 Unknown, 0 Unchecked, 25.1s Time] [2021-12-18 14:33:38,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10750 states. [2021-12-18 14:33:38,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10750 to 9414. [2021-12-18 14:33:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9414 states, 7022 states have (on average 1.3392195955568214) internal successors, (9404), 7078 states have internal predecessors, (9404), 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) [2021-12-18 14:33:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9414 states to 9414 states and 13165 transitions. [2021-12-18 14:33:38,634 INFO L78 Accepts]: Start accepts. Automaton has 9414 states and 13165 transitions. Word has length 463 [2021-12-18 14:33:38,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:33:38,637 INFO L470 AbstractCegarLoop]: Abstraction has 9414 states and 13165 transitions. [2021-12-18 14:33:38,638 INFO L471 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) [2021-12-18 14:33:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 9414 states and 13165 transitions. [2021-12-18 14:33:38,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-12-18 14:33:38,654 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:33:38,654 INFO L514 BasicCegarLoop]: 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] [2021-12-18 14:33:38,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 14:33:38,655 INFO L402 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)] === [2021-12-18 14:33:38,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:33:38,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1613690789, now seen corresponding path program 1 times [2021-12-18 14:33:38,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:33:38,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884323778] [2021-12-18 14:33:38,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:33:38,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:33:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:33:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:33:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:33:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:33:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:33:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:33:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:33:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:33:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:33:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:33:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:33:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:33:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:33:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:33:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:33:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:33:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:33:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:33:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:33:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:33:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:33:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:33:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:33:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:33:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:33:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:33:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:33:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:33:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:33:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:33:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:33:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 14:33:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 14:33:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-18 14:33:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 14:33:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:33:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:33:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:33:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:33:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:33:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 14:33:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:33:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:33:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-18 14:33:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:33:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4599 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4590 trivial. 0 not checked. [2021-12-18 14:33:39,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:33:39,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884323778] [2021-12-18 14:33:39,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884323778] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:33:39,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:33:39,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:33:39,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793008410] [2021-12-18 14:33:39,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:33:39,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:33:39,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:33:39,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:33:39,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:33:39,723 INFO L87 Difference]: Start difference. First operand 9414 states and 13165 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) [2021-12-18 14:33:41,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:43,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:45,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:56,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:58,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:00,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:05,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:34:05,521 INFO L93 Difference]: Finished difference Result 22165 states and 31208 transitions. [2021-12-18 14:34:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:34:05,522 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 [2021-12-18 14:34:05,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:34:05,583 INFO L225 Difference]: With dead ends: 22165 [2021-12-18 14:34:05,583 INFO L226 Difference]: Without dead ends: 12818 [2021-12-18 14:34:05,613 INFO L932 BasicCegarLoop]: 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 [2021-12-18 14:34:05,614 INFO L933 BasicCegarLoop]: 5237 mSDtfsCounter, 6358 mSDsluCounter, 8622 mSDsCounter, 0 mSdLazyCounter, 4447 mSolverCounterSat, 2066 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6932 SdHoareTripleChecker+Valid, 13859 SdHoareTripleChecker+Invalid, 6517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2066 IncrementalHoareTripleChecker+Valid, 4447 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-12-18 14:34:05,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6932 Valid, 13859 Invalid, 6517 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2066 Valid, 4447 Invalid, 4 Unknown, 0 Unchecked, 25.2s Time] [2021-12-18 14:34:05,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12818 states. [2021-12-18 14:34:05,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12818 to 11236. [2021-12-18 14:34:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11236 states, 8330 states have (on average 1.330252100840336) internal successors, (11081), 8398 states have internal predecessors, (11081), 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) [2021-12-18 14:34:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11236 states to 11236 states and 15620 transitions. [2021-12-18 14:34:05,974 INFO L78 Accepts]: Start accepts. Automaton has 11236 states and 15620 transitions. Word has length 488 [2021-12-18 14:34:05,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:34:05,975 INFO L470 AbstractCegarLoop]: Abstraction has 11236 states and 15620 transitions. [2021-12-18 14:34:05,975 INFO L471 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) [2021-12-18 14:34:05,975 INFO L276 IsEmpty]: Start isEmpty. Operand 11236 states and 15620 transitions. [2021-12-18 14:34:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2021-12-18 14:34:05,990 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:34:05,990 INFO L514 BasicCegarLoop]: 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] [2021-12-18 14:34:05,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 14:34:05,991 INFO L402 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)] === [2021-12-18 14:34:05,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:34:05,992 INFO L85 PathProgramCache]: Analyzing trace with hash -913778630, now seen corresponding path program 1 times [2021-12-18 14:34:05,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:34:05,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107981782] [2021-12-18 14:34:05,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:34:05,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:34:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:34:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:34:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:34:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:34:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:34:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:34:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:34:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:34:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:34:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:34:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:34:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:34:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:34:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:34:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:34:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:34:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:34:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:34:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:34:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:34:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:34:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:34:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:34:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:34:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:34:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:34:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:34:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:34:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:34:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:34:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:34:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 14:34:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 14:34:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:06,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 14:34:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 14:34:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 14:34:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 14:34:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 14:34:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 14:34:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-18 14:34:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-18 14:34:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4890 trivial. 0 not checked. [2021-12-18 14:34:07,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:34:07,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107981782] [2021-12-18 14:34:07,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107981782] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:34:07,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:34:07,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:34:07,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149066635] [2021-12-18 14:34:07,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:34:07,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:34:07,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:34:07,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:34:07,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:34:07,097 INFO L87 Difference]: Start difference. First operand 11236 states and 15620 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) [2021-12-18 14:34:09,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:11,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:19,233 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 [] [2021-12-18 14:34:21,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:34:21,085 INFO L93 Difference]: Finished difference Result 31935 states and 44884 transitions. [2021-12-18 14:34:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:34:21,085 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 [2021-12-18 14:34:21,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:34:21,174 INFO L225 Difference]: With dead ends: 31935 [2021-12-18 14:34:21,175 INFO L226 Difference]: Without dead ends: 22264 [2021-12-18 14:34:21,214 INFO L932 BasicCegarLoop]: 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 [2021-12-18 14:34:21,215 INFO L933 BasicCegarLoop]: 6760 mSDtfsCounter, 5491 mSDsluCounter, 7102 mSDsCounter, 0 mSdLazyCounter, 2389 mSolverCounterSat, 1515 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5978 SdHoareTripleChecker+Valid, 13862 SdHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1515 IncrementalHoareTripleChecker+Valid, 2389 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2021-12-18 14:34:21,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5978 Valid, 13862 Invalid, 3907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1515 Valid, 2389 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2021-12-18 14:34:21,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22264 states. [2021-12-18 14:34:21,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22264 to 20299. [2021-12-18 14:34:21,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20299 states, 15125 states have (on average 1.3354710743801652) internal successors, (20199), 15235 states have internal predecessors, (20199), 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) [2021-12-18 14:34:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20299 states to 20299 states and 28284 transitions. [2021-12-18 14:34:21,855 INFO L78 Accepts]: Start accepts. Automaton has 20299 states and 28284 transitions. Word has length 472 [2021-12-18 14:34:21,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:34:21,857 INFO L470 AbstractCegarLoop]: Abstraction has 20299 states and 28284 transitions. [2021-12-18 14:34:21,857 INFO L471 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) [2021-12-18 14:34:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 20299 states and 28284 transitions. [2021-12-18 14:34:21,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2021-12-18 14:34:21,869 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:34:21,869 INFO L514 BasicCegarLoop]: 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] [2021-12-18 14:34:21,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 14:34:21,870 INFO L402 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)] === [2021-12-18 14:34:21,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:34:21,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1137205368, now seen corresponding path program 1 times [2021-12-18 14:34:21,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:34:21,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605570535] [2021-12-18 14:34:21,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:34:21,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:34:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:34:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:34:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:34:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:34:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:34:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:34:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:34:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:34:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:34:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:34:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:34:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:34:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:34:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:34:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:34:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:34:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:34:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:34:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:34:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:34:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:34:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:34:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:34:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:34:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:34:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:34:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:34:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:34:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:34:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:34:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:34:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 14:34:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 14:34:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 14:34:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 14:34:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 14:34:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 14:34:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 14:34:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 14:34:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-18 14:34:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-18 14:34:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4910 trivial. 0 not checked. [2021-12-18 14:34:22,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:34:22,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605570535] [2021-12-18 14:34:22,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605570535] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:34:22,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:34:22,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:34:22,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975314680] [2021-12-18 14:34:22,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:34:22,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:34:22,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:34:22,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:34:22,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:34:22,957 INFO L87 Difference]: Start difference. First operand 20299 states and 28284 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) [2021-12-18 14:34:24,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:31,494 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 [] [2021-12-18 14:34:36,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:34:36,653 INFO L93 Difference]: Finished difference Result 61532 states and 86477 transitions. [2021-12-18 14:34:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:34:36,654 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 [2021-12-18 14:34:36,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:34:36,835 INFO L225 Difference]: With dead ends: 61532 [2021-12-18 14:34:36,835 INFO L226 Difference]: Without dead ends: 42732 [2021-12-18 14:34:36,911 INFO L932 BasicCegarLoop]: 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 [2021-12-18 14:34:36,913 INFO L933 BasicCegarLoop]: 6493 mSDtfsCounter, 6067 mSDsluCounter, 12962 mSDsCounter, 0 mSdLazyCounter, 3531 mSolverCounterSat, 1732 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6566 SdHoareTripleChecker+Valid, 19455 SdHoareTripleChecker+Invalid, 5264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1732 IncrementalHoareTripleChecker+Valid, 3531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-12-18 14:34:36,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6566 Valid, 19455 Invalid, 5264 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1732 Valid, 3531 Invalid, 1 Unknown, 0 Unchecked, 12.8s Time] [2021-12-18 14:34:36,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42732 states. [2021-12-18 14:34:37,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42732 to 38963. [2021-12-18 14:34:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38963 states, 29085 states have (on average 1.3370809695719443) internal successors, (38889), 29285 states have internal predecessors, (38889), 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) [2021-12-18 14:34:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38963 states to 38963 states and 54354 transitions. [2021-12-18 14:34:38,226 INFO L78 Accepts]: Start accepts. Automaton has 38963 states and 54354 transitions. Word has length 472 [2021-12-18 14:34:38,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:34:38,227 INFO L470 AbstractCegarLoop]: Abstraction has 38963 states and 54354 transitions. [2021-12-18 14:34:38,227 INFO L471 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) [2021-12-18 14:34:38,228 INFO L276 IsEmpty]: Start isEmpty. Operand 38963 states and 54354 transitions. [2021-12-18 14:34:38,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2021-12-18 14:34:38,315 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:34:38,315 INFO L514 BasicCegarLoop]: 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] [2021-12-18 14:34:38,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 14:34:38,316 INFO L402 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)] === [2021-12-18 14:34:38,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:34:38,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1163050104, now seen corresponding path program 1 times [2021-12-18 14:34:38,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:34:38,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250588328] [2021-12-18 14:34:38,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:34:38,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:34:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:34:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:34:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:34:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:34:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:34:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:34:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:34:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:34:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:34:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:34:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:34:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:34:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:34:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:34:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:34:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:34:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:34:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:34:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:34:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:34:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:34:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:34:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:34:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:34:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:34:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:34:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:34:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:34:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:34:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:34:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:34:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 14:34:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 14:34:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 14:34:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 14:34:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 14:34:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 14:34:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 14:34:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 14:34:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 14:34:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 14:34:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 14:34:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 14:34:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 14:34:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:34:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:34:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-18 14:34:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:34:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:34:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-18 14:34:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:34:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:34:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-18 14:34:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:34:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5353 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5353 trivial. 0 not checked. [2021-12-18 14:34:39,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:34:39,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250588328] [2021-12-18 14:34:39,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250588328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:34:39,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:34:39,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:34:39,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013458291] [2021-12-18 14:34:39,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:34:39,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:34:39,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:34:39,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:34:39,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:34:39,879 INFO L87 Difference]: Start difference. First operand 38963 states and 54354 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 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) [2021-12-18 14:34:42,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:44,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:53,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:55,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:58,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:01,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:03,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:14,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:16,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:19,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:35:19,298 INFO L93 Difference]: Finished difference Result 62082 states and 90839 transitions. [2021-12-18 14:35:19,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 14:35:19,299 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 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) Word has length 590 [2021-12-18 14:35:19,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:35:19,507 INFO L225 Difference]: With dead ends: 62082 [2021-12-18 14:35:19,507 INFO L226 Difference]: Without dead ends: 62080 [2021-12-18 14:35:19,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-18 14:35:19,538 INFO L933 BasicCegarLoop]: 9030 mSDtfsCounter, 9896 mSDsluCounter, 21695 mSDsCounter, 0 mSdLazyCounter, 8164 mSolverCounterSat, 2738 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10840 SdHoareTripleChecker+Valid, 30725 SdHoareTripleChecker+Invalid, 10911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2738 IncrementalHoareTripleChecker+Valid, 8164 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:35:19,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10840 Valid, 30725 Invalid, 10911 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2738 Valid, 8164 Invalid, 9 Unknown, 0 Unchecked, 38.1s Time] [2021-12-18 14:35:19,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62080 states. [2021-12-18 14:35:20,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62080 to 39045. [2021-12-18 14:35:20,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39045 states, 29139 states have (on average 1.336387659150966) internal successors, (38941), 29339 states have internal predecessors, (38941), 7730 states have call successors, (7730), 2171 states have call predecessors, (7730), 2172 states have return successors, (7759), 7647 states have call predecessors, (7759), 7727 states have call successors, (7759) [2021-12-18 14:35:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39045 states to 39045 states and 54430 transitions. [2021-12-18 14:35:20,920 INFO L78 Accepts]: Start accepts. Automaton has 39045 states and 54430 transitions. Word has length 590 [2021-12-18 14:35:20,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:35:20,921 INFO L470 AbstractCegarLoop]: Abstraction has 39045 states and 54430 transitions. [2021-12-18 14:35:20,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 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) [2021-12-18 14:35:20,922 INFO L276 IsEmpty]: Start isEmpty. Operand 39045 states and 54430 transitions. [2021-12-18 14:35:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2021-12-18 14:35:20,968 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:35:20,969 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 32, 32, 32, 32, 32, 32, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:35:20,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 14:35:20,969 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:35:20,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:35:20,970 INFO L85 PathProgramCache]: Analyzing trace with hash 94050290, now seen corresponding path program 1 times [2021-12-18 14:35:20,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:35:20,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620282841] [2021-12-18 14:35:20,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:35:20,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:35:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:35:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:35:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:35:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:35:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:35:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:35:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:35:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:35:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:35:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:35:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:35:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:35:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:35:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:35:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:35:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:35:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:35:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:35:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:35:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:35:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:35:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:35:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:35:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:35:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:35:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:35:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:35:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:35:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:35:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:35:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:35:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 14:35:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 14:35:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 14:35:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 14:35:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 14:35:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 14:35:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 14:35:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 14:35:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 14:35:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 14:35:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 14:35:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 14:35:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 14:35:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-18 14:35:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:35:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:35:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:35:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 14:35:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-18 14:35:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 14:35:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 14:35:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:35:22,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5073 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5061 trivial. 0 not checked. [2021-12-18 14:35:22,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:35:22,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620282841] [2021-12-18 14:35:22,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620282841] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:35:22,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:35:22,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 14:35:22,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126691266] [2021-12-18 14:35:22,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:35:22,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 14:35:22,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:35:22,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 14:35:22,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-18 14:35:22,285 INFO L87 Difference]: Start difference. First operand 39045 states and 54430 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 3 states have internal predecessors, (172), 3 states have call successors, (60), 6 states have call predecessors, (60), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-18 14:35:24,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:26,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:28,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:30,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:46,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:48,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:50,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:53,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:35:58,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:35:58,891 INFO L93 Difference]: Finished difference Result 99079 states and 138964 transitions. [2021-12-18 14:35:58,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 14:35:58,892 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 3 states have internal predecessors, (172), 3 states have call successors, (60), 6 states have call predecessors, (60), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 567 [2021-12-18 14:35:58,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:35:59,095 INFO L225 Difference]: With dead ends: 99079 [2021-12-18 14:35:59,095 INFO L226 Difference]: Without dead ends: 61599 [2021-12-18 14:35:59,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:35:59,187 INFO L933 BasicCegarLoop]: 6328 mSDtfsCounter, 6114 mSDsluCounter, 11051 mSDsCounter, 0 mSdLazyCounter, 6550 mSolverCounterSat, 2559 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6736 SdHoareTripleChecker+Valid, 17379 SdHoareTripleChecker+Invalid, 9116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2559 IncrementalHoareTripleChecker+Valid, 6550 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:35:59,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6736 Valid, 17379 Invalid, 9116 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2559 Valid, 6550 Invalid, 7 Unknown, 0 Unchecked, 35.0s Time] [2021-12-18 14:35:59,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61599 states. [2021-12-18 14:36:00,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61599 to 52976. [2021-12-18 14:36:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52976 states, 39230 states have (on average 1.3233494774407342) internal successors, (51915), 39507 states have internal predecessors, (51915), 10624 states have call successors, (10624), 3114 states have call predecessors, (10624), 3118 states have return successors, (10657), 10516 states have call predecessors, (10657), 10621 states have call successors, (10657) [2021-12-18 14:36:00,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52976 states to 52976 states and 73196 transitions. [2021-12-18 14:36:00,762 INFO L78 Accepts]: Start accepts. Automaton has 52976 states and 73196 transitions. Word has length 567 [2021-12-18 14:36:00,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:36:00,763 INFO L470 AbstractCegarLoop]: Abstraction has 52976 states and 73196 transitions. [2021-12-18 14:36:00,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 3 states have internal predecessors, (172), 3 states have call successors, (60), 6 states have call predecessors, (60), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-18 14:36:00,764 INFO L276 IsEmpty]: Start isEmpty. Operand 52976 states and 73196 transitions. [2021-12-18 14:36:00,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2021-12-18 14:36:00,978 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:36:00,979 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:36:00,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 14:36:00,979 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:36:00,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:36:00,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1388977482, now seen corresponding path program 1 times [2021-12-18 14:36:00,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:36:00,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457027481] [2021-12-18 14:36:00,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:36:00,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:36:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:36:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:36:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:36:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:36:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:36:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:36:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:36:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:36:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:36:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:36:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:36:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:36:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:36:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:36:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:36:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:36:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:36:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:36:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:36:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:36:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:36:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:36:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:36:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:36:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:36:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:36:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:36:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:36:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:36:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:36:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:36:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 14:36:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 14:36:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 14:36:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:01,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 14:36:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 14:36:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 14:36:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 14:36:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 14:36:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 14:36:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 14:36:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 14:36:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 14:36:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 14:36:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:36:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:36:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-18 14:36:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:36:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:36:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-18 14:36:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:36:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:36:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-18 14:36:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:36:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-12-18 14:36:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-12-18 14:36:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2021-12-18 14:36:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-18 14:36:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-12-18 14:36:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-12-18 14:36:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-12-18 14:36:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-12-18 14:36:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2021-12-18 14:36:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2021-12-18 14:36:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5671 trivial. 0 not checked. [2021-12-18 14:36:02,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:36:02,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457027481] [2021-12-18 14:36:02,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457027481] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:36:02,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:36:02,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 14:36:02,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751214949] [2021-12-18 14:36:02,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:36:02,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 14:36:02,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:36:02,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 14:36:02,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-18 14:36:02,289 INFO L87 Difference]: Start difference. First operand 52976 states and 73196 transitions. Second operand has 7 states, 7 states have (on average 28.285714285714285) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (66), 5 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-12-18 14:36:04,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:06,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:17,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:19,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:21,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:23,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:27,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:29,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:31,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:33,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:41,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:36:41,148 INFO L93 Difference]: Finished difference Result 147821 states and 211450 transitions. [2021-12-18 14:36:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:36:41,149 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.285714285714285) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (66), 5 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 668 [2021-12-18 14:36:41,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:36:41,567 INFO L225 Difference]: With dead ends: 147821 [2021-12-18 14:36:41,567 INFO L226 Difference]: Without dead ends: 96410 [2021-12-18 14:36:41,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-18 14:36:41,683 INFO L933 BasicCegarLoop]: 6070 mSDtfsCounter, 6416 mSDsluCounter, 15332 mSDsCounter, 0 mSdLazyCounter, 5894 mSolverCounterSat, 3202 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6750 SdHoareTripleChecker+Valid, 21402 SdHoareTripleChecker+Invalid, 9105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3202 IncrementalHoareTripleChecker+Valid, 5894 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2021-12-18 14:36:41,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6750 Valid, 21402 Invalid, 9105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3202 Valid, 5894 Invalid, 9 Unknown, 0 Unchecked, 36.5s Time] [2021-12-18 14:36:41,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96410 states. [2021-12-18 14:36:43,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96410 to 52992. [2021-12-18 14:36:43,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52992 states, 39246 states have (on average 1.3232176527544208) internal successors, (51931), 39523 states have internal predecessors, (51931), 10624 states have call successors, (10624), 3114 states have call predecessors, (10624), 3118 states have return successors, (10657), 10516 states have call predecessors, (10657), 10621 states have call successors, (10657) [2021-12-18 14:36:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52992 states to 52992 states and 73212 transitions. [2021-12-18 14:36:43,798 INFO L78 Accepts]: Start accepts. Automaton has 52992 states and 73212 transitions. Word has length 668 [2021-12-18 14:36:43,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:36:43,799 INFO L470 AbstractCegarLoop]: Abstraction has 52992 states and 73212 transitions. [2021-12-18 14:36:43,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.285714285714285) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (66), 5 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-12-18 14:36:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 52992 states and 73212 transitions. [2021-12-18 14:36:43,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2021-12-18 14:36:43,849 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:36:43,849 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:36:43,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 14:36:43,850 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:36:43,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:36:43,850 INFO L85 PathProgramCache]: Analyzing trace with hash 798268287, now seen corresponding path program 1 times [2021-12-18 14:36:43,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:36:43,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086063242] [2021-12-18 14:36:43,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:36:43,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:36:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:36:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:36:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:36:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:36:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:36:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:36:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:36:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:36:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:36:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:36:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:36:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:36:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:36:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:36:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:36:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:36:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:36:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:36:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:36:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:36:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:36:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:36:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:36:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:36:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:36:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:36:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:36:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:36:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:36:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:36:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:36:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 14:36:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 14:36:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 14:36:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 14:36:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 14:36:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 14:36:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 14:36:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 14:36:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 14:36:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 14:36:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 14:36:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 14:36:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 14:36:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:36:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:36:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:44,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-18 14:36:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:36:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:36:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-18 14:36:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:36:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:36:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-18 14:36:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:36:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-12-18 14:36:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-12-18 14:36:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2021-12-18 14:36:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-18 14:36:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-12-18 14:36:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-12-18 14:36:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-12-18 14:36:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:36:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2021-12-18 14:36:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2021-12-18 14:36:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2021-12-18 14:36:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:36:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5671 trivial. 0 not checked. [2021-12-18 14:36:45,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:36:45,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086063242] [2021-12-18 14:36:45,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086063242] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:36:45,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:36:45,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:36:45,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802182304] [2021-12-18 14:36:45,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:36:45,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:36:45,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:36:45,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:36:45,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:36:45,229 INFO L87 Difference]: Start difference. First operand 52992 states and 73212 transitions. Second operand has 6 states, 6 states have (on average 34.666666666666664) internal successors, (208), 3 states have internal predecessors, (208), 2 states have call successors, (66), 5 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-12-18 14:36:47,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:49,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:36:53,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:37:00,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:37:02,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:37:05,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:37:09,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:37:09,870 INFO L93 Difference]: Finished difference Result 113031 states and 157682 transitions. [2021-12-18 14:37:09,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:37:09,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.666666666666664) internal successors, (208), 3 states have internal predecessors, (208), 2 states have call successors, (66), 5 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 678 [2021-12-18 14:37:09,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:37:10,068 INFO L225 Difference]: With dead ends: 113031 [2021-12-18 14:37:10,069 INFO L226 Difference]: Without dead ends: 61604 [2021-12-18 14:37:10,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-18 14:37:10,172 INFO L933 BasicCegarLoop]: 4229 mSDtfsCounter, 3045 mSDsluCounter, 7979 mSDsCounter, 0 mSdLazyCounter, 3805 mSolverCounterSat, 2575 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 12208 SdHoareTripleChecker+Invalid, 6385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2575 IncrementalHoareTripleChecker+Valid, 3805 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:37:10,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3155 Valid, 12208 Invalid, 6385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2575 Valid, 3805 Invalid, 5 Unknown, 0 Unchecked, 23.0s Time] [2021-12-18 14:37:10,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61604 states. [2021-12-18 14:37:11,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61604 to 53000. [2021-12-18 14:37:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53000 states, 39254 states have (on average 1.3231517807102462) internal successors, (51939), 39531 states have internal predecessors, (51939), 10624 states have call successors, (10624), 3114 states have call predecessors, (10624), 3118 states have return successors, (10657), 10516 states have call predecessors, (10657), 10621 states have call successors, (10657) [2021-12-18 14:37:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53000 states to 53000 states and 73220 transitions. [2021-12-18 14:37:11,971 INFO L78 Accepts]: Start accepts. Automaton has 53000 states and 73220 transitions. Word has length 678 [2021-12-18 14:37:11,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:37:11,972 INFO L470 AbstractCegarLoop]: Abstraction has 53000 states and 73220 transitions. [2021-12-18 14:37:11,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.666666666666664) internal successors, (208), 3 states have internal predecessors, (208), 2 states have call successors, (66), 5 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-12-18 14:37:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 53000 states and 73220 transitions. [2021-12-18 14:37:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2021-12-18 14:37:12,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:37:12,028 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:37:12,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 14:37:12,029 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:37:12,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:37:12,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1047098879, now seen corresponding path program 1 times [2021-12-18 14:37:12,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:37:12,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093137234] [2021-12-18 14:37:12,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:37:12,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:37:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:37:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:37:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:37:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:37:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:37:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:37:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:37:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:37:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:37:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:37:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:37:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:37:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:37:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:37:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:37:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:37:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:37:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:37:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:37:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:37:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:37:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:37:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:37:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:37:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:37:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:37:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:37:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:37:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:37:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:37:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:37:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:13,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 14:37:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 14:37:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 14:37:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 14:37:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 14:37:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 14:37:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 14:37:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 14:37:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 14:37:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 14:37:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 14:37:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 14:37:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 14:37:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:37:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:37:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-18 14:37:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:37:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:37:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-18 14:37:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:37:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:37:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-18 14:37:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:37:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-12-18 14:37:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-12-18 14:37:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2021-12-18 14:37:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-18 14:37:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-12-18 14:37:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-12-18 14:37:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-12-18 14:37:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:37:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2021-12-18 14:37:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2021-12-18 14:37:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2021-12-18 14:37:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:37:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5671 trivial. 0 not checked. [2021-12-18 14:37:14,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:37:14,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093137234] [2021-12-18 14:37:14,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093137234] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:37:14,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:37:14,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-18 14:37:14,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58982556] [2021-12-18 14:37:14,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:37:14,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 14:37:14,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:37:14,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 14:37:14,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-12-18 14:37:14,815 INFO L87 Difference]: Start difference. First operand 53000 states and 73220 transitions. Second operand has 13 states, 13 states have (on average 16.0) internal successors, (208), 8 states have internal predecessors, (208), 2 states have call successors, (66), 5 states have call predecessors, (66), 3 states have return successors, (64), 4 states have call predecessors, (64), 2 states have call successors, (64) [2021-12-18 14:37:16,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:37:18,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:37:36,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:37:38,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:37:41,299 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 [] [2021-12-18 14:37:49,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:37:49,212 INFO L93 Difference]: Finished difference Result 128768 states and 181850 transitions. [2021-12-18 14:37:49,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 14:37:49,217 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 16.0) internal successors, (208), 8 states have internal predecessors, (208), 2 states have call successors, (66), 5 states have call predecessors, (66), 3 states have return successors, (64), 4 states have call predecessors, (64), 2 states have call successors, (64) Word has length 678 [2021-12-18 14:37:49,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:37:49,459 INFO L225 Difference]: With dead ends: 128768 [2021-12-18 14:37:49,459 INFO L226 Difference]: Without dead ends: 77333 [2021-12-18 14:37:49,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2021-12-18 14:37:49,559 INFO L933 BasicCegarLoop]: 5381 mSDtfsCounter, 3826 mSDsluCounter, 43078 mSDsCounter, 0 mSdLazyCounter, 11777 mSolverCounterSat, 2590 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4159 SdHoareTripleChecker+Valid, 48459 SdHoareTripleChecker+Invalid, 14372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2590 IncrementalHoareTripleChecker+Valid, 11777 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:37:49,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4159 Valid, 48459 Invalid, 14372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2590 Valid, 11777 Invalid, 5 Unknown, 0 Unchecked, 32.0s Time] [2021-12-18 14:37:49,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77333 states. [2021-12-18 14:37:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77333 to 53080. [2021-12-18 14:37:51,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53080 states, 39318 states have (on average 1.3226257693677197) internal successors, (52003), 39595 states have internal predecessors, (52003), 10624 states have call successors, (10624), 3114 states have call predecessors, (10624), 3134 states have return successors, (10737), 10532 states have call predecessors, (10737), 10621 states have call successors, (10737) [2021-12-18 14:37:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53080 states to 53080 states and 73364 transitions. [2021-12-18 14:37:51,577 INFO L78 Accepts]: Start accepts. Automaton has 53080 states and 73364 transitions. Word has length 678 [2021-12-18 14:37:51,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:37:51,577 INFO L470 AbstractCegarLoop]: Abstraction has 53080 states and 73364 transitions. [2021-12-18 14:37:51,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.0) internal successors, (208), 8 states have internal predecessors, (208), 2 states have call successors, (66), 5 states have call predecessors, (66), 3 states have return successors, (64), 4 states have call predecessors, (64), 2 states have call successors, (64) [2021-12-18 14:37:51,578 INFO L276 IsEmpty]: Start isEmpty. Operand 53080 states and 73364 transitions. [2021-12-18 14:37:51,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2021-12-18 14:37:51,632 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:37:51,632 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 13, 13, 13, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:37:51,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 14:37:51,633 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:37:51,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:37:51,633 INFO L85 PathProgramCache]: Analyzing trace with hash 498710836, now seen corresponding path program 1 times [2021-12-18 14:37:51,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:37:51,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461524712] [2021-12-18 14:37:51,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:37:51,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:37:51,827 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 14:37:51,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [22087061] [2021-12-18 14:37:51,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:37:51,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:37:51,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:37:51,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 14:37:51,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 14:38:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:38:04,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 13174 conjuncts, 262 conjunts are in the unsatisfiable core [2021-12-18 14:38:04,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:38:05,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-18 14:38:05,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2021-12-18 14:38:06,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-12-18 14:38:06,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 14:38:07,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:07,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:07,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:07,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2021-12-18 14:38:07,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:07,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:07,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:07,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-12-18 14:38:07,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:07,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-18 14:38:07,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:07,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2021-12-18 14:38:09,964 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2276 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_atomic_inc_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.base)| |c_atomic_inc_#in~v#1.base|) |c_atomic_inc_#in~v#1.offset| v_ArrVal_2276)))) (exists ((v_ArrVal_2278 Int)) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_atomic_inc_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_atomic_inc_#in~v#1.base|) |c_atomic_inc_#in~v#1.offset| v_ArrVal_2278))))) is different from true [2021-12-18 14:38:09,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:09,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2021-12-18 14:38:10,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:10,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-18 14:38:12,028 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2280 Int)) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_atomic_dec_and_test_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_atomic_dec_and_test_#in~v#1.base|) |c_atomic_dec_and_test_#in~v#1.offset| v_ArrVal_2280)))) (exists ((v_ArrVal_2282 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_atomic_dec_and_test_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.base)| |c_atomic_dec_and_test_#in~v#1.base|) |c_atomic_dec_and_test_#in~v#1.offset| v_ArrVal_2282))))) is different from true [2021-12-18 14:38:12,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:12,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2021-12-18 14:38:12,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:38:12,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-18 14:38:12,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-12-18 14:38:12,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-12-18 14:38:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5772 backedges. 400 proven. 26 refuted. 0 times theorem prover too weak. 5346 trivial. 0 not checked. [2021-12-18 14:38:12,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 14:38:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5772 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5772 trivial. 0 not checked. [2021-12-18 14:38:16,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:38:16,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461524712] [2021-12-18 14:38:16,866 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 14:38:16,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22087061] [2021-12-18 14:38:16,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22087061] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-18 14:38:16,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:38:16,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [33] total 44 [2021-12-18 14:38:16,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971828569] [2021-12-18 14:38:16,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:38:16,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 14:38:16,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:38:16,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 14:38:16,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1621, Unknown=2, NotChecked=162, Total=1892 [2021-12-18 14:38:16,869 INFO L87 Difference]: Start difference. First operand 53080 states and 73364 transitions. Second operand has 13 states, 13 states have (on average 16.384615384615383) internal successors, (213), 11 states have internal predecessors, (213), 4 states have call successors, (70), 5 states have call predecessors, (70), 3 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2021-12-18 14:38:19,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:38:20,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:38:22,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:38:24,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:38:26,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:38:28,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:38:30,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:02,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:04,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:06,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:08,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:10,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:12,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:14,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:18,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:26,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:28,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:30,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:32,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:34,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:36,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:39:38,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:40:06,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:40:06,364 INFO L93 Difference]: Finished difference Result 128735 states and 181944 transitions. [2021-12-18 14:40:06,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 14:40:06,367 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 16.384615384615383) internal successors, (213), 11 states have internal predecessors, (213), 4 states have call successors, (70), 5 states have call predecessors, (70), 3 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) Word has length 699 [2021-12-18 14:40:06,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:40:06,612 INFO L225 Difference]: With dead ends: 128735 [2021-12-18 14:40:06,613 INFO L226 Difference]: Without dead ends: 77220 [2021-12-18 14:40:06,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1408 GetRequests, 1347 SyntacticMatches, 9 SemanticMatches, 52 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=175, Invalid=2483, Unknown=2, NotChecked=202, Total=2862 [2021-12-18 14:40:06,716 INFO L933 BasicCegarLoop]: 6843 mSDtfsCounter, 8293 mSDsluCounter, 50616 mSDsCounter, 0 mSdLazyCounter, 18677 mSolverCounterSat, 3003 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8293 SdHoareTripleChecker+Valid, 57459 SdHoareTripleChecker+Invalid, 21701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3003 IncrementalHoareTripleChecker+Valid, 18677 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.8s IncrementalHoareTripleChecker+Time [2021-12-18 14:40:06,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8293 Valid, 57459 Invalid, 21701 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3003 Valid, 18677 Invalid, 21 Unknown, 0 Unchecked, 104.8s Time] [2021-12-18 14:40:06,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77220 states. [2021-12-18 14:40:08,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77220 to 55076. [2021-12-18 14:40:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55076 states, 40922 states have (on average 1.3254239773227114) internal successors, (54239), 41239 states have internal predecessors, (54239), 10992 states have call successors, (10992), 3130 states have call predecessors, (10992), 3158 states have return successors, (11129), 10892 states have call predecessors, (11129), 10989 states have call successors, (11129) [2021-12-18 14:40:09,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55076 states to 55076 states and 76360 transitions. [2021-12-18 14:40:09,224 INFO L78 Accepts]: Start accepts. Automaton has 55076 states and 76360 transitions. Word has length 699 [2021-12-18 14:40:09,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:40:09,225 INFO L470 AbstractCegarLoop]: Abstraction has 55076 states and 76360 transitions. [2021-12-18 14:40:09,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.384615384615383) internal successors, (213), 11 states have internal predecessors, (213), 4 states have call successors, (70), 5 states have call predecessors, (70), 3 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2021-12-18 14:40:09,225 INFO L276 IsEmpty]: Start isEmpty. Operand 55076 states and 76360 transitions. [2021-12-18 14:40:09,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2021-12-18 14:40:09,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:40:09,287 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 13, 13, 13, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:40:09,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 14:40:09,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-18 14:40:09,491 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:40:09,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:40:09,493 INFO L85 PathProgramCache]: Analyzing trace with hash -336690255, now seen corresponding path program 1 times [2021-12-18 14:40:09,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:40:09,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892910861] [2021-12-18 14:40:09,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:40:09,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:40:09,704 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 14:40:09,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1366696955] [2021-12-18 14:40:09,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:40:09,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:40:09,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:40:09,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 14:40:09,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 14:40:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:40:12,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 13234 conjuncts, 151 conjunts are in the unsatisfiable core [2021-12-18 14:40:12,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:40:13,318 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-18 14:40:13,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 17 [2021-12-18 14:40:13,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:13,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2021-12-18 14:40:15,539 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_2755 Int) (v_ArrVal_2754 Int) (atomic_set_~v.offset Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_atomic_set_#in~v.base| (store (select |c_old(#memory_$Pointer$.base)| |c_atomic_set_#in~v.base|) atomic_set_~v.offset v_ArrVal_2755))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_atomic_set_#in~v.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_atomic_set_#in~v.base|) atomic_set_~v.offset v_ArrVal_2754))) (<= |c_atomic_set_#in~v.offset| atomic_set_~v.offset))) is different from true [2021-12-18 14:40:15,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:15,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-18 14:40:15,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:15,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-18 14:40:17,683 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_2760 Int) (v_ArrVal_2761 Int) (atomic_set_~v.offset Int)) (and (<= atomic_set_~v.offset |c_atomic_set_#in~v.offset|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_atomic_set_#in~v.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_atomic_set_#in~v.base|) atomic_set_~v.offset v_ArrVal_2760))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_atomic_set_#in~v.base| (store (select |c_old(#memory_$Pointer$.base)| |c_atomic_set_#in~v.base|) atomic_set_~v.offset v_ArrVal_2761))))) is different from true [2021-12-18 14:40:17,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:17,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-18 14:40:17,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:17,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-18 14:40:17,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:17,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-18 14:40:17,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:17,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-18 14:40:18,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:18,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:18,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:18,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2021-12-18 14:40:18,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:18,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:18,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-12-18 14:40:18,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:18,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-12-18 14:40:18,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:18,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-18 14:40:20,759 WARN L860 $PredicateComparison]: unable to prove that (exists ((|atomic_inc_ldv_atomic_inc_~v#1.offset| Int) (v_ArrVal_2779 Int) (v_ArrVal_2778 Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_atomic_inc_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.base)| |c_atomic_inc_#in~v#1.base|) |atomic_inc_ldv_atomic_inc_~v#1.offset| v_ArrVal_2779))) (<= |c_atomic_inc_#in~v#1.offset| |atomic_inc_ldv_atomic_inc_~v#1.offset|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_atomic_inc_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_atomic_inc_#in~v#1.base|) |atomic_inc_ldv_atomic_inc_~v#1.offset| v_ArrVal_2778))))) is different from true [2021-12-18 14:40:20,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:20,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-18 14:40:20,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:40:20,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-18 14:40:20,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-18 14:40:20,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2021-12-18 14:40:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5773 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 5460 trivial. 2 not checked. [2021-12-18 14:40:21,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 14:40:23,403 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2786 Int) (v_ArrVal_2787 Int) (|v_atomic_inc_ldv_atomic_inc_~v#1.offset_9| Int)) (or (= (mod (let ((.cse0 (+ |c_uvc_unregister_video_~dev#1.offset| 2710))) (+ (select (store (select |c_#memory_$Pointer$.base| |c_uvc_unregister_video_~dev#1.base|) |v_atomic_inc_ldv_atomic_inc_~v#1.offset_9| v_ArrVal_2786) .cse0) (select (store (select |c_#memory_$Pointer$.offset| |c_uvc_unregister_video_~dev#1.base|) |v_atomic_inc_ldv_atomic_inc_~v#1.offset_9| v_ArrVal_2787) .cse0))) 18446744073709551616) (mod (+ |c_uvc_unregister_video_~dev#1.base| |c_uvc_unregister_video_~dev#1.offset| 2710) 18446744073709551616)) (< |v_atomic_inc_ldv_atomic_inc_~v#1.offset_9| (+ |c_uvc_unregister_video_~dev#1.offset| 2726)))) is different from false [2021-12-18 14:40:23,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:40:23,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892910861] [2021-12-18 14:40:23,408 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 14:40:23,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366696955] [2021-12-18 14:40:23,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366696955] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:40:23,408 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:40:23,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2021-12-18 14:40:23,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067911900] [2021-12-18 14:40:23,408 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-18 14:40:23,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-18 14:40:23,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:40:23,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-18 14:40:23,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=379, Unknown=4, NotChecked=164, Total=600 [2021-12-18 14:40:23,410 INFO L87 Difference]: Start difference. First operand 55076 states and 76360 transitions. Second operand has 22 states, 22 states have (on average 10.5) internal successors, (231), 18 states have internal predecessors, (231), 8 states have call successors, (72), 5 states have call predecessors, (72), 9 states have return successors, (70), 10 states have call predecessors, (70), 8 states have call successors, (70) [2021-12-18 14:40:25,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:40:27,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:40:29,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:40:31,533 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 [] [2021-12-18 14:40:52,045 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2755 Int) (v_ArrVal_2754 Int) (atomic_set_~v.offset Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_atomic_set_#in~v.base| (store (select |c_old(#memory_$Pointer$.base)| |c_atomic_set_#in~v.base|) atomic_set_~v.offset v_ArrVal_2755))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_atomic_set_#in~v.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_atomic_set_#in~v.base|) atomic_set_~v.offset v_ArrVal_2754))) (<= |c_atomic_set_#in~v.offset| atomic_set_~v.offset))) (exists ((v_ArrVal_2760 Int) (v_ArrVal_2761 Int) (atomic_set_~v.offset Int)) (and (<= atomic_set_~v.offset |c_atomic_set_#in~v.offset|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_atomic_set_#in~v.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_atomic_set_#in~v.base|) atomic_set_~v.offset v_ArrVal_2760))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_atomic_set_#in~v.base| (store (select |c_old(#memory_$Pointer$.base)| |c_atomic_set_#in~v.base|) atomic_set_~v.offset v_ArrVal_2761)))))) is different from true [2021-12-18 14:40:57,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:00,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:02,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:04,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:06,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:08,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:10,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:11,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:13,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:15,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:18,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:20,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:22,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:24,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:26,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:27,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:29,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:31,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:33,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:35,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:37,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:41:52,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:41:52,202 INFO L93 Difference]: Finished difference Result 130729 states and 184649 transitions. [2021-12-18 14:41:52,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-18 14:41:52,204 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 10.5) internal successors, (231), 18 states have internal predecessors, (231), 8 states have call successors, (72), 5 states have call predecessors, (72), 9 states have return successors, (70), 10 states have call predecessors, (70), 8 states have call successors, (70) Word has length 709 [2021-12-18 14:41:52,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:41:52,611 INFO L225 Difference]: With dead ends: 130729 [2021-12-18 14:41:52,611 INFO L226 Difference]: Without dead ends: 77218 [2021-12-18 14:41:52,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 754 GetRequests, 709 SyntacticMatches, 7 SemanticMatches, 38 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=144, Invalid=1061, Unknown=5, NotChecked=350, Total=1560 [2021-12-18 14:41:52,704 INFO L933 BasicCegarLoop]: 5396 mSDtfsCounter, 3138 mSDsluCounter, 71477 mSDsCounter, 0 mSdLazyCounter, 17628 mSolverCounterSat, 831 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3649 SdHoareTripleChecker+Valid, 76873 SdHoareTripleChecker+Invalid, 37012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 831 IncrementalHoareTripleChecker+Valid, 17628 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 18532 IncrementalHoareTripleChecker+Unchecked, 83.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:41:52,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3649 Valid, 76873 Invalid, 37012 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [831 Valid, 17628 Invalid, 21 Unknown, 18532 Unchecked, 83.0s Time] [2021-12-18 14:41:52,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77218 states. [2021-12-18 14:41:54,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77218 to 56300. [2021-12-18 14:41:54,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56300 states, 41910 states have (on average 1.3299689811500834) internal successors, (55739), 42283 states have internal predecessors, (55739), 11168 states have call successors, (11168), 3170 states have call predecessors, (11168), 3218 states have return successors, (11541), 11044 states have call predecessors, (11541), 11165 states have call successors, (11541) [2021-12-18 14:41:55,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56300 states to 56300 states and 78448 transitions. [2021-12-18 14:41:55,226 INFO L78 Accepts]: Start accepts. Automaton has 56300 states and 78448 transitions. Word has length 709 [2021-12-18 14:41:55,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:41:55,227 INFO L470 AbstractCegarLoop]: Abstraction has 56300 states and 78448 transitions. [2021-12-18 14:41:55,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.5) internal successors, (231), 18 states have internal predecessors, (231), 8 states have call successors, (72), 5 states have call predecessors, (72), 9 states have return successors, (70), 10 states have call predecessors, (70), 8 states have call successors, (70) [2021-12-18 14:41:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 56300 states and 78448 transitions. [2021-12-18 14:41:55,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2021-12-18 14:41:55,287 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:41:55,288 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 13, 13, 13, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:41:55,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-18 14:41:55,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-18 14:41:55,488 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:41:55,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:41:55,489 INFO L85 PathProgramCache]: Analyzing trace with hash 281894715, now seen corresponding path program 1 times [2021-12-18 14:41:55,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:41:55,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128274076] [2021-12-18 14:41:55,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:41:55,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:41:55,691 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 14:41:55,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968590664] [2021-12-18 14:41:55,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:41:55,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:41:55,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:41:55,693 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 14:41:55,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 14:41:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:41:57,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 13179 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 14:41:57,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:41:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5772 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 5466 trivial. 0 not checked. [2021-12-18 14:41:58,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:41:58,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:41:58,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128274076] [2021-12-18 14:41:58,763 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 14:41:58,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968590664] [2021-12-18 14:41:58,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968590664] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:41:58,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:41:58,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:41:58,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028531891] [2021-12-18 14:41:58,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:41:58,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:41:58,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:41:58,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:41:58,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:41:58,766 INFO L87 Difference]: Start difference. First operand 56300 states and 78448 transitions. Second operand has 5 states, 5 states have (on average 44.2) internal successors, (221), 5 states have internal predecessors, (221), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2021-12-18 14:42:00,625 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:42:02,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:42:02,898 INFO L93 Difference]: Finished difference Result 112193 states and 156430 transitions. [2021-12-18 14:42:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:42:02,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 44.2) internal successors, (221), 5 states have internal predecessors, (221), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 701 [2021-12-18 14:42:02,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:42:03,055 INFO L225 Difference]: With dead ends: 112193 [2021-12-18 14:42:03,056 INFO L226 Difference]: Without dead ends: 57458 [2021-12-18 14:42:03,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-18 14:42:03,172 INFO L933 BasicCegarLoop]: 8265 mSDtfsCounter, 4483 mSDsluCounter, 20988 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4502 SdHoareTripleChecker+Valid, 29253 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:42:03,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4502 Valid, 29253 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-18 14:42:03,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57458 states. [2021-12-18 14:42:05,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57458 to 56300. [2021-12-18 14:42:05,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56300 states, 41910 states have (on average 1.3296826533047006) internal successors, (55727), 42283 states have internal predecessors, (55727), 11168 states have call successors, (11168), 3170 states have call predecessors, (11168), 3218 states have return successors, (11529), 11044 states have call predecessors, (11529), 11165 states have call successors, (11529) [2021-12-18 14:42:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56300 states to 56300 states and 78424 transitions. [2021-12-18 14:42:05,481 INFO L78 Accepts]: Start accepts. Automaton has 56300 states and 78424 transitions. Word has length 701 [2021-12-18 14:42:05,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:42:05,482 INFO L470 AbstractCegarLoop]: Abstraction has 56300 states and 78424 transitions. [2021-12-18 14:42:05,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.2) internal successors, (221), 5 states have internal predecessors, (221), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2021-12-18 14:42:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 56300 states and 78424 transitions. [2021-12-18 14:42:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2021-12-18 14:42:05,536 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:42:05,536 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 13, 13, 13, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:42:05,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-18 14:42:05,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:42:05,737 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:42:05,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:42:05,737 INFO L85 PathProgramCache]: Analyzing trace with hash -867373107, now seen corresponding path program 1 times [2021-12-18 14:42:05,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:42:05,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745965228] [2021-12-18 14:42:05,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:42:05,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:42:05,919 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 14:42:05,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056159429] [2021-12-18 14:42:05,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:42:05,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:42:05,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:42:05,921 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 14:42:05,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 14:42:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:42:08,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 13149 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 14:42:08,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:42:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 5772 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5772 trivial. 0 not checked. [2021-12-18 14:42:09,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 14:42:09,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:42:09,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745965228] [2021-12-18 14:42:09,156 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 14:42:09,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056159429] [2021-12-18 14:42:09,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056159429] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:42:09,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:42:09,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:42:09,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694016958] [2021-12-18 14:42:09,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:42:09,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:42:09,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:42:09,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:42:09,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:42:09,158 INFO L87 Difference]: Start difference. First operand 56300 states and 78424 transitions. Second operand has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 1 states have call successors, (68), 1 states have call predecessors, (68), 3 states have return successors, (68), 3 states have call predecessors, (68), 1 states have call successors, (68) [2021-12-18 14:42:11,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:42:11,303 INFO L93 Difference]: Finished difference Result 111243 states and 155085 transitions. [2021-12-18 14:42:11,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:42:11,304 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 1 states have call successors, (68), 1 states have call predecessors, (68), 3 states have return successors, (68), 3 states have call predecessors, (68), 1 states have call successors, (68) Word has length 699 [2021-12-18 14:42:11,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:42:11,486 INFO L225 Difference]: With dead ends: 111243 [2021-12-18 14:42:11,486 INFO L226 Difference]: Without dead ends: 56508 [2021-12-18 14:42:11,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 14:42:11,587 INFO L933 BasicCegarLoop]: 4555 mSDtfsCounter, 4 mSDsluCounter, 18213 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 22768 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:42:11,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 22768 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 14:42:11,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56508 states. [2021-12-18 14:42:13,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56508 to 56412. [2021-12-18 14:42:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56412 states, 42006 states have (on average 1.3289292005903919) internal successors, (55823), 42363 states have internal predecessors, (55823), 11168 states have call successors, (11168), 3170 states have call predecessors, (11168), 3234 states have return successors, (11561), 11076 states have call predecessors, (11561), 11165 states have call successors, (11561) [2021-12-18 14:42:14,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56412 states to 56412 states and 78552 transitions. [2021-12-18 14:42:14,144 INFO L78 Accepts]: Start accepts. Automaton has 56412 states and 78552 transitions. Word has length 699 [2021-12-18 14:42:14,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:42:14,145 INFO L470 AbstractCegarLoop]: Abstraction has 56412 states and 78552 transitions. [2021-12-18 14:42:14,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 1 states have call successors, (68), 1 states have call predecessors, (68), 3 states have return successors, (68), 3 states have call predecessors, (68), 1 states have call successors, (68) [2021-12-18 14:42:14,145 INFO L276 IsEmpty]: Start isEmpty. Operand 56412 states and 78552 transitions. [2021-12-18 14:42:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2021-12-18 14:42:14,202 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:42:14,202 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 13, 13, 13, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:42:14,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 14:42:14,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:42:14,415 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:42:14,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:42:14,416 INFO L85 PathProgramCache]: Analyzing trace with hash 143744143, now seen corresponding path program 1 times [2021-12-18 14:42:14,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:42:14,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901268869] [2021-12-18 14:42:14,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:42:14,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:42:14,594 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 14:42:14,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [273684290] [2021-12-18 14:42:14,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:42:14,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 14:42:14,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:42:14,596 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 14:42:14,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 14:42:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:42:17,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 13148 conjuncts, 117 conjunts are in the unsatisfiable core [2021-12-18 14:42:17,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 14:42:17,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 14:42:19,668 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_4102 Int) (atomic_set_~v.offset Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_atomic_set_#in~v.base| (store (select |c_old(#memory_int)| |c_atomic_set_#in~v.base|) atomic_set_~v.offset v_ArrVal_4102))) (<= atomic_set_~v.offset |c_atomic_set_#in~v.offset|))) is different from true [2021-12-18 14:42:19,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 14:42:19,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-18 14:42:19,815 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-12-18 14:42:19,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-18 14:42:19,972 INFO L354 Elim1Store]: treesize reduction 84, result has 18.4 percent of original size [2021-12-18 14:42:19,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 31 [2021-12-18 14:42:19,996 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-18 14:42:19,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-12-18 14:42:20,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5772 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 2 not checked. [2021-12-18 14:42:20,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 14:42:23,750 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_atomic_set_~v.offset_10 Int) (v_ArrVal_4127 Int)) (or (= (select (store (select |c_#memory_int| |c_ULTIMATE.start_uvc_probe_~dev~1#1.base|) v_atomic_set_~v.offset_10 v_ArrVal_4127) (+ |c_ULTIMATE.start_uvc_probe_~dev~1#1.offset| 2726)) 0) (< (+ |c_ULTIMATE.start_uvc_probe_~dev~1#1.offset| 228) v_atomic_set_~v.offset_10))) is different from false [2021-12-18 14:42:23,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:42:23,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901268869] [2021-12-18 14:42:23,754 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 14:42:23,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273684290] [2021-12-18 14:42:23,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273684290] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 14:42:23,754 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-18 14:42:23,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-12-18 14:42:23,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910704429] [2021-12-18 14:42:23,755 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-18 14:42:23,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 14:42:23,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:42:23,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 14:42:23,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=356, Unknown=2, NotChecked=78, Total=506 [2021-12-18 14:42:23,756 INFO L87 Difference]: Start difference. First operand 56412 states and 78552 transitions. Second operand has 13 states, 12 states have (on average 18.583333333333332) internal successors, (223), 12 states have internal predecessors, (223), 5 states have call successors, (69), 3 states have call predecessors, (69), 7 states have return successors, (69), 6 states have call predecessors, (69), 5 states have call successors, (69) [2021-12-18 14:42:25,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:42:27,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:42:29,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:42:31,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:42:33,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:42:35,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:42:38,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:42:40,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:43:11,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:43:13,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:43:15,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:43:17,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:43:19,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:43:21,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:43:23,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:43:25,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:43:29,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:43:46,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 14:43:48,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 14:43:51,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 14:43:53,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 14:43:55,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 14:43:56,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:43:56,702 INFO L93 Difference]: Finished difference Result 117186 states and 164296 transitions. [2021-12-18 14:43:56,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 14:43:56,705 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 18.583333333333332) internal successors, (223), 12 states have internal predecessors, (223), 5 states have call successors, (69), 3 states have call predecessors, (69), 7 states have return successors, (69), 6 states have call predecessors, (69), 5 states have call successors, (69) Word has length 699 [2021-12-18 14:43:56,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:43:56,926 INFO L225 Difference]: With dead ends: 117186 [2021-12-18 14:43:56,926 INFO L226 Difference]: Without dead ends: 62323 [2021-12-18 14:43:57,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 775 GetRequests, 744 SyntacticMatches, 7 SemanticMatches, 24 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=91, Invalid=466, Unknown=3, NotChecked=90, Total=650 [2021-12-18 14:43:57,197 INFO L933 BasicCegarLoop]: 4358 mSDtfsCounter, 1175 mSDsluCounter, 22707 mSDsCounter, 0 mSdLazyCounter, 18430 mSolverCounterSat, 719 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 27065 SdHoareTripleChecker+Invalid, 26482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 18430 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 7311 IncrementalHoareTripleChecker+Unchecked, 85.9s IncrementalHoareTripleChecker+Time [2021-12-18 14:43:57,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1324 Valid, 27065 Invalid, 26482 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [719 Valid, 18430 Invalid, 22 Unknown, 7311 Unchecked, 85.9s Time] [2021-12-18 14:43:57,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62323 states. Killed by 15