./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:44:37,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:44:37,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:44:37,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:44:37,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:44:37,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:44:37,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:44:37,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:44:37,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:44:37,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:44:37,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:44:37,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:44:37,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:44:37,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:44:37,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:44:37,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:44:38,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:44:38,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:44:38,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:44:38,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:44:38,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:44:38,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:44:38,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:44:38,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:44:38,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:44:38,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:44:38,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:44:38,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:44:38,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:44:38,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:44:38,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:44:38,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:44:38,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:44:38,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:44:38,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:44:38,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:44:38,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:44:38,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:44:38,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:44:38,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:44:38,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:44:38,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:44:38,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:44:38,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:44:38,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:44:38,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:44:38,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:44:38,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:44:38,060 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:44:38,060 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:44:38,060 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:44:38,060 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:44:38,061 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:44:38,061 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:44:38,061 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:44:38,061 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:44:38,061 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:44:38,062 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:44:38,062 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:44:38,062 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:44:38,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:44:38,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:44:38,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:44:38,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:44:38,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:44:38,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:44:38,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:44:38,064 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:44:38,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:44:38,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:44:38,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:44:38,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:44:38,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:44:38,066 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:44:38,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:44:38,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:44:38,067 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:44:38,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:44:38,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:44:38,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:44:38,068 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 [2022-11-23 15:44:38,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:44:38,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:44:38,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:44:38,391 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:44:38,392 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:44:38,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-11-23 15:44:41,464 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:44:42,357 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:44:42,358 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-11-23 15:44:42,462 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/data/0a4e109d6/cd9ab5a403284133831e227bf25dbe43/FLAGbbfa105f9 [2022-11-23 15:44:42,476 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/data/0a4e109d6/cd9ab5a403284133831e227bf25dbe43 [2022-11-23 15:44:42,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:44:42,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:44:42,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:42,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:44:42,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:44:42,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:42" (1/1) ... [2022-11-23 15:44:42,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f263833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42, skipping insertion in model container [2022-11-23 15:44:42,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:42" (1/1) ... [2022-11-23 15:44:42,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:44:42,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:44:47,790 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2022-11-23 15:44:47,802 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2022-11-23 15:44:47,802 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2022-11-23 15:44:47,803 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2022-11-23 15:44:47,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:44:47,932 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:44:48,832 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2022-11-23 15:44:48,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2022-11-23 15:44:48,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2022-11-23 15:44:48,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2022-11-23 15:44:48,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:44:49,033 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:44:49,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49 WrapperNode [2022-11-23 15:44:49,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:49,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:44:49,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:44:49,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:44:49,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (1/1) ... [2022-11-23 15:44:49,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (1/1) ... [2022-11-23 15:44:49,641 INFO L138 Inliner]: procedures = 547, calls = 8866, calls flagged for inlining = 309, calls inlined = 249, statements flattened = 13596 [2022-11-23 15:44:49,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:44:49,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:44:49,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:44:49,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:44:49,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (1/1) ... [2022-11-23 15:44:49,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (1/1) ... [2022-11-23 15:44:49,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (1/1) ... [2022-11-23 15:44:49,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (1/1) ... [2022-11-23 15:44:50,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (1/1) ... [2022-11-23 15:44:50,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (1/1) ... [2022-11-23 15:44:50,242 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (1/1) ... [2022-11-23 15:44:50,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (1/1) ... [2022-11-23 15:44:50,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:44:50,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:44:50,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:44:50,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:44:50,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (1/1) ... [2022-11-23 15:44:50,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:44:50,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:44:50,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:44:50,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:44:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 15:44:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 15:44:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-23 15:44:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-23 15:44:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:44:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:44:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:44:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:44:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-11-23 15:44:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-11-23 15:44:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-11-23 15:44:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-11-23 15:44:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-11-23 15:44:50,554 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-11-23 15:44:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-11-23 15:44:50,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-11-23 15:44:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-11-23 15:44:50,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-11-23 15:44:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-11-23 15:44:50,555 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-11-23 15:44:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-23 15:44:50,555 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-23 15:44:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-11-23 15:44:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-11-23 15:44:50,556 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-11-23 15:44:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-11-23 15:44:50,556 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-11-23 15:44:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-11-23 15:44:50,556 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-11-23 15:44:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-11-23 15:44:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-11-23 15:44:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:44:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:44:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:44:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-11-23 15:44:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-11-23 15:44:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-11-23 15:44:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-11-23 15:44:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:44:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:44:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-23 15:44:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-23 15:44:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 15:44:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 15:44:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:44:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:44:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 15:44:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 15:44:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-11-23 15:44:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-11-23 15:44:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:44:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-23 15:44:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-23 15:44:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-11-23 15:44:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-11-23 15:44:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-11-23 15:44:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-11-23 15:44:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-23 15:44:50,562 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-23 15:44:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-23 15:44:50,562 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-23 15:44:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-11-23 15:44:50,563 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-11-23 15:44:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:44:50,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:44:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-11-23 15:44:50,563 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-11-23 15:44:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:44:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-11-23 15:44:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-11-23 15:44:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 15:44:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 15:44:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-11-23 15:44:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-11-23 15:44:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:44:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-11-23 15:44:50,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-11-23 15:44:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:44:50,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:44:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-11-23 15:44:50,566 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-11-23 15:44:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-11-23 15:44:50,566 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-11-23 15:44:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-23 15:44:50,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-23 15:44:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:44:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-11-23 15:44:50,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-11-23 15:44:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:44:50,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:44:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 15:44:50,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 15:44:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-23 15:44:50,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-23 15:44:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:44:50,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:44:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-11-23 15:44:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-11-23 15:44:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-23 15:44:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-23 15:44:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-11-23 15:44:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-11-23 15:44:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-11-23 15:44:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-23 15:44:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-23 15:44:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-23 15:44:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-23 15:44:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:44:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-23 15:44:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-23 15:44:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 15:44:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 15:44:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 15:44:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 15:44:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-11-23 15:44:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-11-23 15:44:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:44:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-11-23 15:44:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-11-23 15:44:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:44:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:44:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:44:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:44:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-11-23 15:44:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-11-23 15:44:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:44:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:44:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-11-23 15:44:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-11-23 15:44:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-23 15:44:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-23 15:44:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-11-23 15:44:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-11-23 15:44:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-11-23 15:44:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-11-23 15:44:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-11-23 15:44:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-11-23 15:44:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-11-23 15:44:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-11-23 15:44:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-11-23 15:44:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-11-23 15:44:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-11-23 15:44:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-11-23 15:44:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:44:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:44:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-23 15:44:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-23 15:44:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:44:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:44:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:44:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:44:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-23 15:44:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-23 15:44:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-11-23 15:44:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-11-23 15:44:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-11-23 15:44:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-11-23 15:44:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-11-23 15:44:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-11-23 15:44:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-11-23 15:44:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-11-23 15:44:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-23 15:44:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-23 15:44:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-11-23 15:44:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-11-23 15:44:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-23 15:44:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-23 15:44:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-11-23 15:44:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-11-23 15:44:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-11-23 15:44:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-11-23 15:44:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 15:44:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 15:44:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-11-23 15:44:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-11-23 15:44:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-11-23 15:44:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-11-23 15:44:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-11-23 15:44:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-11-23 15:44:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:44:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:44:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-11-23 15:44:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-11-23 15:44:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-11-23 15:44:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-11-23 15:44:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-23 15:44:50,584 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-23 15:44:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-11-23 15:44:50,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-11-23 15:44:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-11-23 15:44:50,584 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-11-23 15:44:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-23 15:44:50,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-23 15:44:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-23 15:44:50,585 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-23 15:44:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-23 15:44:50,585 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-23 15:44:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-11-23 15:44:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-11-23 15:44:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-23 15:44:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-23 15:44:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-11-23 15:44:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-11-23 15:44:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-11-23 15:44:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-11-23 15:44:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:44:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 15:44:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 15:44:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-11-23 15:44:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-11-23 15:44:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:44:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-11-23 15:44:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-11-23 15:44:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-11-23 15:44:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-11-23 15:44:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-11-23 15:44:50,589 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-11-23 15:44:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-23 15:44:50,589 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-23 15:44:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-11-23 15:44:50,589 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-11-23 15:44:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:44:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 15:44:50,590 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 15:44:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-23 15:44:50,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-23 15:44:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 15:44:50,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 15:44:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 15:44:50,591 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 15:44:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-11-23 15:44:50,591 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-11-23 15:44:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 15:44:50,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 15:44:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-23 15:44:50,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-23 15:44:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-11-23 15:44:50,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-11-23 15:44:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:44:50,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:44:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-11-23 15:44:50,593 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-11-23 15:44:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-23 15:44:50,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-23 15:44:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:44:50,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:44:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 15:44:50,594 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 15:44:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-11-23 15:44:50,594 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-11-23 15:44:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-11-23 15:44:50,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-11-23 15:44:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-11-23 15:44:50,595 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-11-23 15:44:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-11-23 15:44:50,595 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-11-23 15:44:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-23 15:44:50,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-23 15:44:50,596 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-11-23 15:44:50,596 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-11-23 15:44:50,596 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-11-23 15:44:50,596 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-11-23 15:44:50,596 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:44:50,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:44:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:44:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:44:50,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:44:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-23 15:44:50,597 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-23 15:44:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-11-23 15:44:50,598 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-11-23 15:44:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 15:44:50,598 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 15:44:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-11-23 15:44:50,598 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-11-23 15:44:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-23 15:44:50,599 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-23 15:44:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-11-23 15:44:50,599 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-11-23 15:44:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-11-23 15:44:50,599 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-11-23 15:44:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-23 15:44:50,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-23 15:44:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-11-23 15:44:50,600 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-11-23 15:44:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-11-23 15:44:50,600 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-11-23 15:44:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-23 15:44:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-23 15:44:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-23 15:44:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-23 15:44:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-11-23 15:44:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-11-23 15:44:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-11-23 15:44:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-11-23 15:44:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-23 15:44:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-23 15:44:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-11-23 15:44:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-11-23 15:44:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-11-23 15:44:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-11-23 15:44:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:44:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:44:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-11-23 15:44:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-11-23 15:44:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-11-23 15:44:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-11-23 15:44:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-11-23 15:44:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-11-23 15:44:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-11-23 15:44:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-11-23 15:44:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-11-23 15:44:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-11-23 15:44:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-11-23 15:44:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-11-23 15:44:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-11-23 15:44:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-11-23 15:44:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:44:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-11-23 15:44:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-11-23 15:44:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-11-23 15:44:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-11-23 15:44:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 15:44:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 15:44:51,957 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:44:51,961 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:44:52,123 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:44:52,680 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774: assume 0 != __copy_to_user_nocheck_~tmp___0~26#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-23 15:44:52,681 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774: assume !(0 != __copy_to_user_nocheck_~tmp___0~26#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-23 15:44:52,681 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788: assume 0 != __copy_to_user_nocheck_~tmp___1~15#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-23 15:44:52,681 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788: assume !(0 != __copy_to_user_nocheck_~tmp___1~15#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-23 15:44:52,681 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:52,682 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:52,682 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11751: SUMMARY for call __copy_to_user_nocheck_#t~ret1081#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-11-23 15:44:52,682 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11772: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1079#1 && __copy_to_user_nocheck_#t~ret1079#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26#1 := __copy_to_user_nocheck_#t~ret1079#1;havoc __copy_to_user_nocheck_#t~ret1079#1; [2022-11-23 15:44:52,682 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:52,682 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:52,683 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:52,683 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:52,683 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:52,683 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:52,683 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:52,684 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:52,684 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11748: SUMMARY for call __copy_to_user_nocheck_#t~ret1080#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-11-23 15:44:52,684 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:52,684 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:52,684 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11740: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-23 15:44:52,685 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744: SUMMARY for call __copy_to_user_nocheck_#t~ret1079#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-11-23 15:44:52,685 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11732: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-23 15:44:52,685 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11736: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-23 15:44:52,685 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11798: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1081#1;havoc __copy_to_user_nocheck_#t~ret1081#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-23 15:44:52,686 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11786: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1080#1 && __copy_to_user_nocheck_#t~ret1080#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~15#1 := __copy_to_user_nocheck_#t~ret1080#1;havoc __copy_to_user_nocheck_#t~ret1080#1; [2022-11-23 15:44:52,686 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11728: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-23 15:44:56,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11642: SUMMARY for call __copy_from_user_nocheck_#t~ret1076#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-11-23 15:44:56,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:56,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:56,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:56,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:56,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:56,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:56,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:56,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:56,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:56,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:56,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11668: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1074#1 && __copy_from_user_nocheck_#t~ret1074#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25#1 := __copy_from_user_nocheck_#t~ret1074#1;havoc __copy_from_user_nocheck_#t~ret1074#1; [2022-11-23 15:44:56,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11635: SUMMARY for call __copy_from_user_nocheck_#t~ret1074#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-11-23 15:44:56,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11639: SUMMARY for call __copy_from_user_nocheck_#t~ret1075#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-11-23 15:44:56,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11627: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-23 15:44:56,203 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11631: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-23 15:44:56,204 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685: assume 0 != __copy_from_user_nocheck_~tmp___1~14#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-23 15:44:56,204 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685: assume !(0 != __copy_from_user_nocheck_~tmp___1~14#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-23 15:44:56,204 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11619: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-23 15:44:56,204 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-23 15:44:56,204 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-23 15:44:56,204 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-23 15:44:56,204 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670: assume 0 != __copy_from_user_nocheck_~tmp___0~25#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-23 15:44:56,204 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670: assume !(0 != __copy_from_user_nocheck_~tmp___0~25#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-23 15:44:56,204 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1076#1;havoc __copy_from_user_nocheck_#t~ret1076#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-23 15:44:56,204 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1075#1 && __copy_from_user_nocheck_#t~ret1075#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~14#1 := __copy_from_user_nocheck_#t~ret1075#1;havoc __copy_from_user_nocheck_#t~ret1075#1; [2022-11-23 15:48:43,953 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 15:48:44,058 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:48:48,362 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:48:48,363 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-23 15:48:48,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:48 BoogieIcfgContainer [2022-11-23 15:48:48,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:48:48,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:48:48,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:48:48,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:48:48,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:44:42" (1/3) ... [2022-11-23 15:48:48,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb82fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:48:48, skipping insertion in model container [2022-11-23 15:48:48,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:49" (2/3) ... [2022-11-23 15:48:48,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb82fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:48:48, skipping insertion in model container [2022-11-23 15:48:48,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:48" (3/3) ... [2022-11-23 15:48:48,383 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-11-23 15:48:48,406 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:48:48,406 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 15:48:48,532 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:48:48,542 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6d4a68e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:48:48,543 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 15:48:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 2303 states, 1498 states have (on average 1.3731642189586115) internal successors, (2057), 1519 states have internal predecessors, (2057), 650 states have call successors, (650), 152 states have call predecessors, (650), 151 states have return successors, (641), 635 states have call predecessors, (641), 641 states have call successors, (641) [2022-11-23 15:48:48,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-11-23 15:48:48,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:48,596 INFO L195 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 31, 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] [2022-11-23 15:48:48,597 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 15:48:48,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:48,602 INFO L85 PathProgramCache]: Analyzing trace with hash -88647401, now seen corresponding path program 1 times [2022-11-23 15:48:48,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:48,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290734740] [2022-11-23 15:48:48,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:48,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3785 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3785 trivial. 0 not checked. [2022-11-23 15:48:50,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:50,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290734740] [2022-11-23 15:48:50,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290734740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:50,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:50,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:48:50,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649171055] [2022-11-23 15:48:50,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:50,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:48:50,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:51,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:48:51,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:48:51,059 INFO L87 Difference]: Start difference. First operand has 2303 states, 1498 states have (on average 1.3731642189586115) internal successors, (2057), 1519 states have internal predecessors, (2057), 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 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-23 15:48:53,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:48:58,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:02,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:07,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:07,696 INFO L93 Difference]: Finished difference Result 6612 states and 9635 transitions. [2022-11-23 15:49:07,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:49:07,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 339 [2022-11-23 15:49:07,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:07,752 INFO L225 Difference]: With dead ends: 6612 [2022-11-23 15:49:07,753 INFO L226 Difference]: Without dead ends: 4359 [2022-11-23 15:49:07,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:49:07,773 INFO L413 NwaCegarLoop]: 3497 mSDtfsCounter, 3043 mSDsluCounter, 2748 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 6245 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:07,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 6245 Invalid, 1126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 1106 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2022-11-23 15:49:07,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4359 states. [2022-11-23 15:49:08,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4359 to 4353. [2022-11-23 15:49:08,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4353 states, 2854 states have (on average 1.3693062368605466) internal successors, (3908), 2893 states have internal predecessors, (3908), 1201 states have call successors, (1201), 295 states have call predecessors, (1201), 294 states have return successors, (1198), 1186 states have call predecessors, (1198), 1198 states have call successors, (1198) [2022-11-23 15:49:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4353 states to 4353 states and 6307 transitions. [2022-11-23 15:49:08,150 INFO L78 Accepts]: Start accepts. Automaton has 4353 states and 6307 transitions. Word has length 339 [2022-11-23 15:49:08,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:08,158 INFO L495 AbstractCegarLoop]: Abstraction has 4353 states and 6307 transitions. [2022-11-23 15:49:08,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-23 15:49:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 4353 states and 6307 transitions. [2022-11-23 15:49:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-11-23 15:49:08,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:08,184 INFO L195 NwaCegarLoop]: trace histogram [33, 31, 31, 31, 31, 31, 31, 6, 6, 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] [2022-11-23 15:49:08,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:49:08,185 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 15:49:08,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:08,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1679093042, now seen corresponding path program 1 times [2022-11-23 15:49:08,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:08,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762596787] [2022-11-23 15:49:08,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:08,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3918 trivial. 0 not checked. [2022-11-23 15:49:09,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:09,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762596787] [2022-11-23 15:49:09,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762596787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:09,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:09,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:49:09,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309314967] [2022-11-23 15:49:09,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:09,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:49:09,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:09,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:49:09,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:49:09,722 INFO L87 Difference]: Start difference. First operand 4353 states and 6307 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-23 15:49:11,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:16,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:18,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:20,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:22,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:26,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:26,036 INFO L93 Difference]: Finished difference Result 11011 states and 15835 transitions. [2022-11-23 15:49:26,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:49:26,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (42), 1 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 402 [2022-11-23 15:49:26,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:26,085 INFO L225 Difference]: With dead ends: 11011 [2022-11-23 15:49:26,086 INFO L226 Difference]: Without dead ends: 6721 [2022-11-23 15:49:26,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:49:26,106 INFO L413 NwaCegarLoop]: 3253 mSDtfsCounter, 1691 mSDsluCounter, 2765 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1691 SdHoareTripleChecker+Valid, 6018 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:26,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1691 Valid, 6018 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1101 Invalid, 2 Unknown, 0 Unchecked, 15.9s Time] [2022-11-23 15:49:26,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6721 states. [2022-11-23 15:49:26,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6721 to 6710. [2022-11-23 15:49:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6710 states, 4339 states have (on average 1.3507720672966121) internal successors, (5861), 4395 states have internal predecessors, (5861), 1866 states have call successors, (1866), 502 states have call predecessors, (1866), 501 states have return successors, (1863), 1842 states have call predecessors, (1863), 1863 states have call successors, (1863) [2022-11-23 15:49:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6710 states to 6710 states and 9590 transitions. [2022-11-23 15:49:26,456 INFO L78 Accepts]: Start accepts. Automaton has 6710 states and 9590 transitions. Word has length 402 [2022-11-23 15:49:26,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:26,457 INFO L495 AbstractCegarLoop]: Abstraction has 6710 states and 9590 transitions. [2022-11-23 15:49:26,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-23 15:49:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 6710 states and 9590 transitions. [2022-11-23 15:49:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-11-23 15:49:26,476 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:26,477 INFO L195 NwaCegarLoop]: trace histogram [34, 31, 31, 31, 31, 31, 31, 7, 7, 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] [2022-11-23 15:49:26,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:49:26,478 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 15:49:26,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:26,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1534267074, now seen corresponding path program 1 times [2022-11-23 15:49:26,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:26,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724263275] [2022-11-23 15:49:26,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:26,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:27,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4011 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4002 trivial. 0 not checked. [2022-11-23 15:49:27,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:27,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724263275] [2022-11-23 15:49:27,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724263275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:27,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:27,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:49:27,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002767306] [2022-11-23 15:49:27,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:27,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:49:27,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:27,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:49:27,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:49:27,781 INFO L87 Difference]: Start difference. First operand 6710 states and 9590 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-23 15:49:30,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:34,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:37,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:41,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:41,001 INFO L93 Difference]: Finished difference Result 12561 states and 17851 transitions. [2022-11-23 15:49:41,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:49:41,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (44), 1 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 422 [2022-11-23 15:49:41,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:41,036 INFO L225 Difference]: With dead ends: 12561 [2022-11-23 15:49:41,036 INFO L226 Difference]: Without dead ends: 5914 [2022-11-23 15:49:41,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:49:41,057 INFO L413 NwaCegarLoop]: 3190 mSDtfsCounter, 1692 mSDsluCounter, 2781 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 5971 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:41,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1692 Valid, 5971 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1060 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2022-11-23 15:49:41,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5914 states. [2022-11-23 15:49:41,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5914 to 5907. [2022-11-23 15:49:41,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5907 states, 3764 states have (on average 1.3342189160467588) internal successors, (5022), 3811 states have internal predecessors, (5022), 1663 states have call successors, (1663), 478 states have call predecessors, (1663), 476 states have return successors, (1660), 1641 states have call predecessors, (1660), 1660 states have call successors, (1660) [2022-11-23 15:49:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5907 states to 5907 states and 8345 transitions. [2022-11-23 15:49:41,331 INFO L78 Accepts]: Start accepts. Automaton has 5907 states and 8345 transitions. Word has length 422 [2022-11-23 15:49:41,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:41,332 INFO L495 AbstractCegarLoop]: Abstraction has 5907 states and 8345 transitions. [2022-11-23 15:49:41,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-23 15:49:41,333 INFO L276 IsEmpty]: Start isEmpty. Operand 5907 states and 8345 transitions. [2022-11-23 15:49:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-23 15:49:41,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:41,349 INFO L195 NwaCegarLoop]: trace histogram [36, 32, 32, 32, 32, 32, 32, 5, 5, 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] [2022-11-23 15:49:41,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:49:41,349 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 15:49:41,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:41,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1890455394, now seen corresponding path program 1 times [2022-11-23 15:49:41,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:41,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539035546] [2022-11-23 15:49:41,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:41,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4271 trivial. 0 not checked. [2022-11-23 15:49:43,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:43,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539035546] [2022-11-23 15:49:43,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539035546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:43,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:43,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:49:43,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334025812] [2022-11-23 15:49:43,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:43,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:49:43,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:43,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:49:43,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:49:43,715 INFO L87 Difference]: Start difference. First operand 5907 states and 8345 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-23 15:49:45,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:49,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:51,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:52,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:55,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:03,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:50:03,458 INFO L93 Difference]: Finished difference Result 9952 states and 13992 transitions. [2022-11-23 15:50:03,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:50:03,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 413 [2022-11-23 15:50:03,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:50:03,529 INFO L225 Difference]: With dead ends: 9952 [2022-11-23 15:50:03,530 INFO L226 Difference]: Without dead ends: 9904 [2022-11-23 15:50:03,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:50:03,541 INFO L413 NwaCegarLoop]: 3232 mSDtfsCounter, 2154 mSDsluCounter, 5925 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2154 SdHoareTripleChecker+Valid, 9157 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:50:03,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2154 Valid, 9157 Invalid, 1576 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1572 Invalid, 3 Unknown, 0 Unchecked, 19.3s Time] [2022-11-23 15:50:03,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9904 states. [2022-11-23 15:50:04,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9904 to 9897. [2022-11-23 15:50:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9897 states, 6267 states have (on average 1.3274293920536142) internal successors, (8319), 6338 states have internal predecessors, (8319), 2799 states have call successors, (2799), 829 states have call predecessors, (2799), 827 states have return successors, (2796), 2770 states have call predecessors, (2796), 2796 states have call successors, (2796) [2022-11-23 15:50:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9897 states to 9897 states and 13914 transitions. [2022-11-23 15:50:04,108 INFO L78 Accepts]: Start accepts. Automaton has 9897 states and 13914 transitions. Word has length 413 [2022-11-23 15:50:04,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:50:04,109 INFO L495 AbstractCegarLoop]: Abstraction has 9897 states and 13914 transitions. [2022-11-23 15:50:04,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-23 15:50:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 9897 states and 13914 transitions. [2022-11-23 15:50:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2022-11-23 15:50:04,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:50:04,145 INFO L195 NwaCegarLoop]: trace histogram [38, 32, 32, 32, 32, 32, 32, 11, 11, 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] [2022-11-23 15:50:04,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:50:04,146 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 15:50:04,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:50:04,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1214692431, now seen corresponding path program 1 times [2022-11-23 15:50:04,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:50:04,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248968256] [2022-11-23 15:50:04,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:50:04,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:50:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:50:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4589 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4589 trivial. 0 not checked. [2022-11-23 15:50:06,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:50:06,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248968256] [2022-11-23 15:50:06,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248968256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:50:06,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:50:06,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:50:06,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806141459] [2022-11-23 15:50:06,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:50:06,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:50:06,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:50:06,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:50:06,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:50:06,822 INFO L87 Difference]: Start difference. First operand 9897 states and 13914 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-23 15:50:09,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:16,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:23,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:50:27,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:31,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:50:31,302 INFO L93 Difference]: Finished difference Result 13493 states and 19724 transitions. [2022-11-23 15:50:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:50:31,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (53), 1 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 501 [2022-11-23 15:50:31,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:50:31,381 INFO L225 Difference]: With dead ends: 13493 [2022-11-23 15:50:31,381 INFO L226 Difference]: Without dead ends: 13491 [2022-11-23 15:50:31,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:50:31,395 INFO L413 NwaCegarLoop]: 4793 mSDtfsCounter, 3767 mSDsluCounter, 7324 mSDsCounter, 0 mSdLazyCounter, 2268 mSolverCounterSat, 206 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4096 SdHoareTripleChecker+Valid, 12117 SdHoareTripleChecker+Invalid, 2476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2268 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:50:31,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4096 Valid, 12117 Invalid, 2476 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [206 Valid, 2268 Invalid, 2 Unknown, 0 Unchecked, 23.9s Time] [2022-11-23 15:50:31,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13491 states. [2022-11-23 15:50:32,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13491 to 9897. [2022-11-23 15:50:32,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9897 states, 6267 states have (on average 1.3272698260730813) internal successors, (8318), 6338 states have internal predecessors, (8318), 2799 states have call successors, (2799), 829 states have call predecessors, (2799), 827 states have return successors, (2796), 2770 states have call predecessors, (2796), 2796 states have call successors, (2796) [2022-11-23 15:50:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9897 states to 9897 states and 13913 transitions. [2022-11-23 15:50:32,153 INFO L78 Accepts]: Start accepts. Automaton has 9897 states and 13913 transitions. Word has length 501 [2022-11-23 15:50:32,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:50:32,154 INFO L495 AbstractCegarLoop]: Abstraction has 9897 states and 13913 transitions. [2022-11-23 15:50:32,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-23 15:50:32,155 INFO L276 IsEmpty]: Start isEmpty. Operand 9897 states and 13913 transitions. [2022-11-23 15:50:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-11-23 15:50:32,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:50:32,186 INFO L195 NwaCegarLoop]: trace histogram [37, 32, 32, 32, 32, 32, 32, 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] [2022-11-23 15:50:32,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:50:32,187 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 15:50:32,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:50:32,188 INFO L85 PathProgramCache]: Analyzing trace with hash -2012434408, now seen corresponding path program 1 times [2022-11-23 15:50:32,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:50:32,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651585874] [2022-11-23 15:50:32,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:50:32,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:50:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:50:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4386 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4374 trivial. 0 not checked. [2022-11-23 15:50:33,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:50:33,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651585874] [2022-11-23 15:50:33,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651585874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:50:33,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:50:33,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:50:33,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147003330] [2022-11-23 15:50:33,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:50:33,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:50:33,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:50:33,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:50:33,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:50:33,495 INFO L87 Difference]: Start difference. First operand 9897 states and 13913 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-23 15:50:35,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:37,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:41,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:46,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:50,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:50:50,413 INFO L93 Difference]: Finished difference Result 21550 states and 30313 transitions. [2022-11-23 15:50:50,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:50:50,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (60), 2 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 482 [2022-11-23 15:50:50,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:50:50,482 INFO L225 Difference]: With dead ends: 21550 [2022-11-23 15:50:50,482 INFO L226 Difference]: Without dead ends: 12828 [2022-11-23 15:50:50,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:50:50,522 INFO L413 NwaCegarLoop]: 4505 mSDtfsCounter, 2832 mSDsluCounter, 2363 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 6868 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:50:50,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 6868 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1317 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2022-11-23 15:50:50,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12828 states. [2022-11-23 15:50:51,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12828 to 12810. [2022-11-23 15:50:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12810 states, 8123 states have (on average 1.3293118306044565) internal successors, (10798), 8218 states have internal predecessors, (10798), 3605 states have call successors, (3605), 1080 states have call predecessors, (3605), 1078 states have return successors, (3602), 3565 states have call predecessors, (3602), 3602 states have call successors, (3602) [2022-11-23 15:50:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12810 states to 12810 states and 18005 transitions. [2022-11-23 15:50:51,225 INFO L78 Accepts]: Start accepts. Automaton has 12810 states and 18005 transitions. Word has length 482 [2022-11-23 15:50:51,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:50:51,226 INFO L495 AbstractCegarLoop]: Abstraction has 12810 states and 18005 transitions. [2022-11-23 15:50:51,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-23 15:50:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 12810 states and 18005 transitions. [2022-11-23 15:50:51,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2022-11-23 15:50:51,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:50:51,338 INFO L195 NwaCegarLoop]: trace histogram [39, 33, 33, 33, 33, 33, 33, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:50:51,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:50:51,338 INFO L420 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)] === [2022-11-23 15:50:51,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:50:51,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1703537139, now seen corresponding path program 1 times [2022-11-23 15:50:51,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:50:51,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081432098] [2022-11-23 15:50:51,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:50:51,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:50:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:50:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4865 trivial. 0 not checked. [2022-11-23 15:50:53,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:50:53,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081432098] [2022-11-23 15:50:53,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081432098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:50:53,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:50:53,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:50:53,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066252013] [2022-11-23 15:50:53,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:50:53,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:50:53,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:50:53,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:50:53,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:50:53,165 INFO L87 Difference]: Start difference. First operand 12810 states and 18005 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2022-11-23 15:50:55,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:58,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:04,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:12,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:12,651 INFO L93 Difference]: Finished difference Result 23565 states and 34115 transitions. [2022-11-23 15:51:12,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:12,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (66), 2 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 559 [2022-11-23 15:51:12,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:12,743 INFO L225 Difference]: With dead ends: 23565 [2022-11-23 15:51:12,743 INFO L226 Difference]: Without dead ends: 17144 [2022-11-23 15:51:12,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:51:12,776 INFO L413 NwaCegarLoop]: 4069 mSDtfsCounter, 2102 mSDsluCounter, 6689 mSDsCounter, 0 mSdLazyCounter, 1908 mSolverCounterSat, 502 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2312 SdHoareTripleChecker+Valid, 10758 SdHoareTripleChecker+Invalid, 2412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 1908 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:12,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2312 Valid, 10758 Invalid, 2412 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [502 Valid, 1908 Invalid, 2 Unknown, 0 Unchecked, 18.8s Time] [2022-11-23 15:51:12,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17144 states. [2022-11-23 15:51:13,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17144 to 12812. [2022-11-23 15:51:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12812 states, 8125 states have (on average 1.3292307692307692) internal successors, (10800), 8220 states have internal predecessors, (10800), 3605 states have call successors, (3605), 1080 states have call predecessors, (3605), 1078 states have return successors, (3602), 3565 states have call predecessors, (3602), 3602 states have call successors, (3602) [2022-11-23 15:51:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12812 states to 12812 states and 18007 transitions. [2022-11-23 15:51:13,813 INFO L78 Accepts]: Start accepts. Automaton has 12812 states and 18007 transitions. Word has length 559 [2022-11-23 15:51:13,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:13,814 INFO L495 AbstractCegarLoop]: Abstraction has 12812 states and 18007 transitions. [2022-11-23 15:51:13,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2022-11-23 15:51:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 12812 states and 18007 transitions. [2022-11-23 15:51:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2022-11-23 15:51:13,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:13,847 INFO L195 NwaCegarLoop]: trace histogram [39, 33, 33, 33, 33, 33, 33, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:13,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:51:13,848 INFO L420 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)] === [2022-11-23 15:51:13,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:13,848 INFO L85 PathProgramCache]: Analyzing trace with hash -30341877, now seen corresponding path program 1 times [2022-11-23 15:51:13,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:13,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309747077] [2022-11-23 15:51:13,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:13,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:20,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4865 trivial. 0 not checked. [2022-11-23 15:51:20,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:20,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309747077] [2022-11-23 15:51:20,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309747077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:20,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:20,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:51:20,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21806991] [2022-11-23 15:51:20,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:20,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:51:20,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:20,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:51:20,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:51:20,514 INFO L87 Difference]: Start difference. First operand 12812 states and 18007 transitions. Second operand has 8 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 2 states have call successors, (66), 2 states have call predecessors, (66), 3 states have return successors, (64), 4 states have call predecessors, (64), 2 states have call successors, (64) [2022-11-23 15:51:22,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:28,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:30,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:33,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:35,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:36,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:38,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:42,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:57,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:57,094 INFO L93 Difference]: Finished difference Result 23362 states and 33754 transitions. [2022-11-23 15:51:57,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:51:57,098 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 2 states have call successors, (66), 2 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 565 [2022-11-23 15:51:57,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:57,178 INFO L225 Difference]: With dead ends: 23362 [2022-11-23 15:51:57,179 INFO L226 Difference]: Without dead ends: 16927 [2022-11-23 15:51:57,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:51:57,210 INFO L413 NwaCegarLoop]: 3574 mSDtfsCounter, 529 mSDsluCounter, 20829 mSDsCounter, 0 mSdLazyCounter, 4540 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 24403 SdHoareTripleChecker+Invalid, 4542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4540 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:57,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 24403 Invalid, 4542 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 4540 Invalid, 2 Unknown, 0 Unchecked, 35.7s Time] [2022-11-23 15:51:57,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16927 states. [2022-11-23 15:51:58,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16927 to 12824. [2022-11-23 15:51:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12824 states, 8133 states have (on average 1.328906922414853) internal successors, (10808), 8228 states have internal predecessors, (10808), 3605 states have call successors, (3605), 1080 states have call predecessors, (3605), 1082 states have return successors, (3616), 3569 states have call predecessors, (3616), 3602 states have call successors, (3616) [2022-11-23 15:51:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12824 states to 12824 states and 18029 transitions. [2022-11-23 15:51:58,169 INFO L78 Accepts]: Start accepts. Automaton has 12824 states and 18029 transitions. Word has length 565 [2022-11-23 15:51:58,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:58,170 INFO L495 AbstractCegarLoop]: Abstraction has 12824 states and 18029 transitions. [2022-11-23 15:51:58,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 2 states have call successors, (66), 2 states have call predecessors, (66), 3 states have return successors, (64), 4 states have call predecessors, (64), 2 states have call successors, (64) [2022-11-23 15:51:58,171 INFO L276 IsEmpty]: Start isEmpty. Operand 12824 states and 18029 transitions. [2022-11-23 15:51:58,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2022-11-23 15:51:58,204 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:58,205 INFO L195 NwaCegarLoop]: trace histogram [39, 33, 33, 33, 33, 33, 33, 13, 13, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:58,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:51:58,205 INFO L420 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)] === [2022-11-23 15:51:58,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:58,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1105224606, now seen corresponding path program 1 times [2022-11-23 15:51:58,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:58,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599073997] [2022-11-23 15:51:58,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:58,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:58,578 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:51:58,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61419841] [2022-11-23 15:51:58,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:58,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:51:58,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:51:58,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:51:58,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:52:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:02,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 13209 conjuncts, 318 conjunts are in the unsatisfiable core [2022-11-23 15:52:02,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:52:04,840 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:52:04,853 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:52:05,130 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:52:05,138 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 3 [2022-11-23 15:52:06,130 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:52:06,165 INFO L350 Elim1Store]: Elim1 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 9 [2022-11-23 15:52:07,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:52:07,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:52:07,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:52:07,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 59 [2022-11-23 15:52:07,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:52:07,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:52:07,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:52:07,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 40 [2022-11-23 15:52:08,676 INFO L350 Elim1Store]: Elim1 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 32 treesize of output 24 [2022-11-23 15:52:09,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:52:09,019 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:52:09,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:52:09,048 INFO L350 Elim1Store]: Elim1 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 46 treesize of output 41 [2022-11-23 15:52:09,262 INFO L350 Elim1Store]: Elim1 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 32 treesize of output 24 [2022-11-23 15:52:09,320 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 4 [2022-11-23 15:52:09,338 INFO L350 Elim1Store]: Elim1 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 7 treesize of output 3 [2022-11-23 15:52:09,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:52:09,541 INFO L350 Elim1Store]: Elim1 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 46 treesize of output 41 [2022-11-23 15:52:09,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:52:09,580 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:52:11,023 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:52:11,030 INFO L350 Elim1Store]: Elim1 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 40 treesize of output 28 [2022-11-23 15:52:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4940 backedges. 72 proven. 288 refuted. 0 times theorem prover too weak. 4580 trivial. 0 not checked. [2022-11-23 15:52:11,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:52:12,679 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 4 [2022-11-23 15:52:12,914 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 4 [2022-11-23 15:52:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4940 trivial. 0 not checked. [2022-11-23 15:52:16,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:16,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599073997] [2022-11-23 15:52:16,765 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:52:16,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61419841] [2022-11-23 15:52:16,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61419841] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 15:52:16,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:52:16,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [29] total 46 [2022-11-23 15:52:16,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726892145] [2022-11-23 15:52:16,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:16,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-23 15:52:16,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:16,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-23 15:52:16,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1800, Unknown=18, NotChecked=0, Total=2070 [2022-11-23 15:52:16,770 INFO L87 Difference]: Start difference. First operand 12824 states and 18029 transitions. Second operand has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 13 states have internal predecessors, (154), 7 states have call successors, (70), 5 states have call predecessors, (70), 3 states have return successors, (68), 9 states have call predecessors, (68), 7 states have call successors, (68) [2022-11-23 15:52:18,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:39,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:07,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:09,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:13,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:15,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:16,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:33,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:39,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:11,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:32,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:54:46,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:47,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:02,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:55:02,681 INFO L93 Difference]: Finished difference Result 19143 states and 27091 transitions. [2022-11-23 15:55:02,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-23 15:55:02,682 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 13 states have internal predecessors, (154), 7 states have call successors, (70), 5 states have call predecessors, (70), 3 states have return successors, (68), 9 states have call predecessors, (68), 7 states have call successors, (68) Word has length 582 [2022-11-23 15:55:02,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:55:02,769 INFO L225 Difference]: With dead ends: 19143 [2022-11-23 15:55:02,770 INFO L226 Difference]: Without dead ends: 19141 [2022-11-23 15:55:02,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1180 GetRequests, 1116 SyntacticMatches, 4 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1244 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=420, Invalid=3344, Unknown=18, NotChecked=0, Total=3782 [2022-11-23 15:55:02,779 INFO L413 NwaCegarLoop]: 2844 mSDtfsCounter, 6902 mSDsluCounter, 19971 mSDsCounter, 0 mSdLazyCounter, 30894 mSolverCounterSat, 5479 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 151.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7163 SdHoareTripleChecker+Valid, 22815 SdHoareTripleChecker+Invalid, 36377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 5479 IncrementalHoareTripleChecker+Valid, 30894 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 160.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:55:02,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7163 Valid, 22815 Invalid, 36377 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [5479 Valid, 30894 Invalid, 4 Unknown, 0 Unchecked, 160.6s Time] [2022-11-23 15:55:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19141 states. [2022-11-23 15:55:04,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19141 to 18328. [2022-11-23 15:55:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18328 states, 11579 states have (on average 1.3267985145522065) internal successors, (15363), 11725 states have internal predecessors, (15363), 5184 states have call successors, (5184), 1554 states have call predecessors, (5184), 1561 states have return successors, (5212), 5129 states have call predecessors, (5212), 5181 states have call successors, (5212) [2022-11-23 15:55:04,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18328 states to 18328 states and 25759 transitions. [2022-11-23 15:55:04,555 INFO L78 Accepts]: Start accepts. Automaton has 18328 states and 25759 transitions. Word has length 582 [2022-11-23 15:55:04,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:55:04,557 INFO L495 AbstractCegarLoop]: Abstraction has 18328 states and 25759 transitions. [2022-11-23 15:55:04,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 13 states have internal predecessors, (154), 7 states have call successors, (70), 5 states have call predecessors, (70), 3 states have return successors, (68), 9 states have call predecessors, (68), 7 states have call successors, (68) [2022-11-23 15:55:04,557 INFO L276 IsEmpty]: Start isEmpty. Operand 18328 states and 25759 transitions. [2022-11-23 15:55:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-11-23 15:55:04,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:55:04,590 INFO L195 NwaCegarLoop]: trace histogram [39, 33, 33, 33, 33, 33, 33, 13, 13, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:55:04,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:55:04,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:55:04,819 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 15:55:04,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:55:04,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1944311208, now seen corresponding path program 1 times [2022-11-23 15:55:04,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:55:04,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953973580] [2022-11-23 15:55:04,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:04,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:55:05,230 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:55:05,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2022904125] [2022-11-23 15:55:05,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:05,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:55:05,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:55:05,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:55:05,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658c2f2b-78b1-44db-bdd4-2c508614b16b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:55:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:55:09,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 13180 conjuncts, 134 conjunts are in the unsatisfiable core [2022-11-23 15:55:09,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:55:09,275 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:55:09,393 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_2187 Int) (atomic_set_~v.offset Int)) (and (= (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_2187)) |c_#memory_int|) (<= atomic_set_~v.offset |c_atomic_set_#in~v.offset|))) is different from true [2022-11-23 15:55:09,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:55:09,411 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:55:09,507 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-23 15:55:09,677 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 33 treesize of output 40 [2022-11-23 15:55:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4940 backedges. 329 proven. 56 refuted. 0 times theorem prover too weak. 4554 trivial. 1 not checked. [2022-11-23 15:55:10,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:55:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4940 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4938 trivial. 0 not checked. [2022-11-23 15:55:15,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:55:15,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953973580] [2022-11-23 15:55:15,015 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:55:15,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022904125] [2022-11-23 15:55:15,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022904125] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:55:15,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1045275639] [2022-11-23 15:55:15,043 INFO L159 IcfgInterpreter]: Started Sifa with 239 locations of interest [2022-11-23 15:55:15,043 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:55:15,048 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:55:15,054 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:55:15,055 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:57:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:24,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:24,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:24,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:25,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:25,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:26,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:26,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:26,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:27,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:27,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:27,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:28,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:28,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:28,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:29,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:29,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:30,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:30,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:31,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:31,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:32,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:32,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:32,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:33,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:33,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:35,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:36,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:37,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:37,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:37,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:38,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:38,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:38,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:39,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:39,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:39,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:40,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:40,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:40,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:41,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:41,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:41,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:42,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:42,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:42,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:42,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:43,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:43,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:43,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:43,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:44,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:44,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:44,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:44,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:45,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:45,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:46,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:47,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:47,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:47,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:48,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:48,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:48,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:49,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:49,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:50,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:50,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:50,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:51,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:51,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:52,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:52,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:52,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:53,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:53,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:53,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:54,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:54,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:54,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:55,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:55,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:56,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:56,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:57,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:57,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:58,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:58,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:58,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:59,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:59,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:57:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:00,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:00,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:00,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:01,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:01,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:01,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:01,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:02,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:02,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:03,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:03,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:03,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:03,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:04,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:04,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:04,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:04,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:05,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:05,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:05,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:05,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:06,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:06,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:06,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:06,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:58:06,842 INFO L217 Elim1Store]: Index analysis took 43391 ms