./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs --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 db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:59:28,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:59:28,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:59:28,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:59:28,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:59:28,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:59:28,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:59:28,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:59:28,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:59:28,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:59:28,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:59:28,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:59:28,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:59:28,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:59:28,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:59:28,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:59:28,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:59:28,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:59:28,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:59:28,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:59:29,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:59:29,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:59:29,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:59:29,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:59:29,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:59:29,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:59:29,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:59:29,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:59:29,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:59:29,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:59:29,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:59:29,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:59:29,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:59:29,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:59:29,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:59:29,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:59:29,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:59:29,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:59:29,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:59:29,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:59:29,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:59:29,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:59:29,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:59:29,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:59:29,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:59:29,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:59:29,048 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:59:29,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:59:29,049 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:59:29,049 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:59:29,049 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:59:29,049 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:59:29,050 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:59:29,050 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:59:29,050 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:59:29,050 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:59:29,051 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:59:29,051 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:59:29,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:59:29,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:59:29,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:59:29,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:59:29,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:59:29,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:59:29,053 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:59:29,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:59:29,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:59:29,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:59:29,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:59:29,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:59:29,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:29,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:59:29,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:59:29,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:59:29,055 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:59:29,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:59:29,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:59:29,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:59:29,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:59:29,056 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2021-11-19 13:59:29,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:59:29,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:59:29,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:59:29,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:59:29,325 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:59:29,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-11-19 13:59:29,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/data/c943a03a2/31d59c37a7404bc6b00605316a85633a/FLAG675848df6 [2021-11-19 13:59:30,282 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:59:30,283 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-11-19 13:59:30,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/data/c943a03a2/31d59c37a7404bc6b00605316a85633a/FLAG675848df6 [2021-11-19 13:59:30,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/data/c943a03a2/31d59c37a7404bc6b00605316a85633a [2021-11-19 13:59:30,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:59:30,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:59:30,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:30,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:59:30,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:59:30,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:30" (1/1) ... [2021-11-19 13:59:30,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a9002d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:30, skipping insertion in model container [2021-11-19 13:59:30,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:30" (1/1) ... [2021-11-19 13:59:30,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:59:30,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:59:32,157 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,598 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,599 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,600 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,602 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,727 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,793 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,802 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,804 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,820 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,831 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,833 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,836 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,891 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,894 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,950 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,953 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,962 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,963 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,964 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,967 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,994 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,061 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,085 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,093 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,353 WARN L230 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_7bfa814b-114e-4f1e-b569-f5c27a2db888/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2021-11-19 13:59:33,356 WARN L230 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_7bfa814b-114e-4f1e-b569-f5c27a2db888/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2021-11-19 13:59:33,360 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:33,396 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 13:59:33,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a7544c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:33, skipping insertion in model container [2021-11-19 13:59:33,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:33,397 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:59:33,399 INFO L158 Benchmark]: Toolchain (without parser) took 2652.02ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 60.3MB in the beginning and 52.0MB in the end (delta: 8.3MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2021-11-19 13:59:33,400 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:59:33,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2649.35ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 60.1MB in the beginning and 52.0MB in the end (delta: 8.1MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2021-11-19 13:59:33,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2649.35ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 60.1MB in the beginning and 52.0MB in the end (delta: 8.1MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5285]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs --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 db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:59:35,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:59:35,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:59:35,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:59:35,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:59:35,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:59:35,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:59:35,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:59:35,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:59:35,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:59:35,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:59:35,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:59:35,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:59:35,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:59:35,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:59:35,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:59:35,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:59:35,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:59:35,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:59:35,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:59:35,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:59:35,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:59:35,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:59:35,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:59:35,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:59:35,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:59:35,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:59:35,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:59:35,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:59:35,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:59:35,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:59:35,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:59:35,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:59:35,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:59:35,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:59:35,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:59:35,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:59:35,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:59:35,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:59:35,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:59:35,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:59:35,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:59:35,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:59:35,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:59:35,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:59:35,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:59:35,858 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:59:35,859 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:59:35,859 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:59:35,859 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:59:35,859 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:59:35,859 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:59:35,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:59:35,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:59:35,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:59:35,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:59:35,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:59:35,863 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:59:35,863 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:59:35,863 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:59:35,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:59:35,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:59:35,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:59:35,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:59:35,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:59:35,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:59:35,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:35,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:59:35,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:59:35,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:59:35,866 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:59:35,866 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:59:35,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:59:35,867 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:59:35,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:59:35,867 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2021-11-19 13:59:36,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:59:36,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:59:36,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:59:36,283 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:59:36,284 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:59:36,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-11-19 13:59:36,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/data/62edb42b2/86f10daee1544081a0f9a09d16c9e74c/FLAG654fa5418 [2021-11-19 13:59:37,404 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:59:37,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-11-19 13:59:37,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/data/62edb42b2/86f10daee1544081a0f9a09d16c9e74c/FLAG654fa5418 [2021-11-19 13:59:37,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/data/62edb42b2/86f10daee1544081a0f9a09d16c9e74c [2021-11-19 13:59:37,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:59:37,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:59:37,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:37,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:59:37,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:59:37,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:37" (1/1) ... [2021-11-19 13:59:37,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@abd9102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:37, skipping insertion in model container [2021-11-19 13:59:37,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:37" (1/1) ... [2021-11-19 13:59:37,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:59:38,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:59:40,333 WARN L230 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_7bfa814b-114e-4f1e-b569-f5c27a2db888/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2021-11-19 13:59:40,336 WARN L230 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_7bfa814b-114e-4f1e-b569-f5c27a2db888/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2021-11-19 13:59:40,340 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:40,379 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:59:40,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:59:40,780 WARN L230 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_7bfa814b-114e-4f1e-b569-f5c27a2db888/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2021-11-19 13:59:40,781 WARN L230 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_7bfa814b-114e-4f1e-b569-f5c27a2db888/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2021-11-19 13:59:40,784 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:40,820 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:59:41,302 WARN L230 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_7bfa814b-114e-4f1e-b569-f5c27a2db888/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2021-11-19 13:59:41,302 WARN L230 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_7bfa814b-114e-4f1e-b569-f5c27a2db888/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2021-11-19 13:59:41,328 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:41,529 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:59:41,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41 WrapperNode [2021-11-19 13:59:41,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:41,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:59:41,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:59:41,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:59:41,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41" (1/1) ... [2021-11-19 13:59:41,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41" (1/1) ... [2021-11-19 13:59:41,844 INFO L137 Inliner]: procedures = 333, calls = 1881, calls flagged for inlining = 162, calls inlined = 153, statements flattened = 4179 [2021-11-19 13:59:41,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:59:41,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:59:41,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:59:41,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:59:41,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41" (1/1) ... [2021-11-19 13:59:41,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41" (1/1) ... [2021-11-19 13:59:41,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41" (1/1) ... [2021-11-19 13:59:41,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41" (1/1) ... [2021-11-19 13:59:42,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41" (1/1) ... [2021-11-19 13:59:42,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41" (1/1) ... [2021-11-19 13:59:42,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41" (1/1) ... [2021-11-19 13:59:42,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:59:42,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:59:42,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:59:42,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:59:42,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41" (1/1) ... [2021-11-19 13:59:42,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:42,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:59:42,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:59:42,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:59:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_dump [2021-11-19 13:59:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_dump [2021-11-19 13:59:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:59:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init_controls [2021-11-19 13:59:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init_controls [2021-11-19 13:59:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init_controls [2021-11-19 13:59:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init_controls [2021-11-19 13:59:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:59:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:59:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init [2021-11-19 13:59:42,234 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init [2021-11-19 13:59:42,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:59:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:59:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:59:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:59:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_bytes [2021-11-19 13:59:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_bytes [2021-11-19 13:59:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:59:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:59:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-11-19 13:59:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-11-19 13:59:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2021-11-19 13:59:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2021-11-19 13:59:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:59:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:59:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_stop [2021-11-19 13:59:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_stop [2021-11-19 13:59:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1020 [2021-11-19 13:59:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1020 [2021-11-19 13:59:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:59:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:59:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-11-19 13:59:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-11-19 13:59:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_start [2021-11-19 13:59:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_start [2021-11-19 13:59:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init [2021-11-19 13:59:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init [2021-11-19 13:59:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:59:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-11-19 13:59:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-11-19 13:59:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor [2021-11-19 13:59:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor [2021-11-19 13:59:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:59:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1x00 [2021-11-19 13:59:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1x00 [2021-11-19 13:59:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:59:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:59:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_s_ctrl [2021-11-19 13:59:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_s_ctrl [2021-11-19 13:59:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-19 13:59:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-19 13:59:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-19 13:59:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-19 13:59:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:59:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:59:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:59:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:59:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:59:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:59:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_s_ctrl [2021-11-19 13:59:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_s_ctrl [2021-11-19 13:59:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:59:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_init [2021-11-19 13:59:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_init [2021-11-19 13:59:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:59:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:59:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:59:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:59:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init_controls [2021-11-19 13:59:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init_controls [2021-11-19 13:59:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 13:59:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 13:59:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init_controls [2021-11-19 13:59:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init_controls [2021-11-19 13:59:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_set_state [2021-11-19 13:59:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_set_state [2021-11-19 13:59:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:59:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:59:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_start [2021-11-19 13:59:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_start [2021-11-19 13:59:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-11-19 13:59:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-11-19 13:59:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 13:59:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 13:59:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_bridge [2021-11-19 13:59:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_bridge [2021-11-19 13:59:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_stop [2021-11-19 13:59:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_stop [2021-11-19 13:59:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:59:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:59:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_nego [2021-11-19 13:59:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_nego [2021-11-19 13:59:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 13:59:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 13:59:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init [2021-11-19 13:59:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init [2021-11-19 13:59:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_probe [2021-11-19 13:59:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_probe [2021-11-19 13:59:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init [2021-11-19 13:59:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init [2021-11-19 13:59:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-19 13:59:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-19 13:59:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:59:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:59:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:59:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:59:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 13:59:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 13:59:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:59:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:59:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_start [2021-11-19 13:59:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_start [2021-11-19 13:59:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_reg_write_seq [2021-11-19 13:59:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_reg_write_seq [2021-11-19 13:59:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-11-19 13:59:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-11-19 13:59:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_10_4 [2021-11-19 13:59:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_10_4 [2021-11-19 13:59:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:59:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:59:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_start [2021-11-19 13:59:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_start [2021-11-19 13:59:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:59:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:59:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_s_ctrl [2021-11-19 13:59:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_s_ctrl [2021-11-19 13:59:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:59:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-11-19 13:59:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-11-19 13:59:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:59:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:59:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:59:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:59:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init [2021-11-19 13:59:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init [2021-11-19 13:59:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_sensor [2021-11-19 13:59:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_sensor [2021-11-19 13:59:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_probe [2021-11-19 13:59:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_probe [2021-11-19 13:59:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:59:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:59:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:59:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_stop [2021-11-19 13:59:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_stop [2021-11-19 13:59:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:59:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_stop [2021-11-19 13:59:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_stop [2021-11-19 13:59:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_probe [2021-11-19 13:59:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_probe [2021-11-19 13:59:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_stopN [2021-11-19 13:59:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_stopN [2021-11-19 13:59:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_finish [2021-11-19 13:59:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_finish [2021-11-19 13:59:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_dump [2021-11-19 13:59:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_dump [2021-11-19 13:59:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_dump [2021-11-19 13:59:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_dump [2021-11-19 13:59:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2021-11-19 13:59:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2021-11-19 13:59:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-19 13:59:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-19 13:59:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 13:59:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 13:59:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 13:59:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 13:59:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_s_ctrl [2021-11-19 13:59:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_s_ctrl [2021-11-19 13:59:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init_controls [2021-11-19 13:59:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init_controls [2021-11-19 13:59:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:59:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:59:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_bridge [2021-11-19 13:59:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_bridge [2021-11-19 13:59:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-11-19 13:59:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-11-19 13:59:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:59:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:59:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure sd_disconnect [2021-11-19 13:59:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_disconnect [2021-11-19 13:59:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:59:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:59:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_start [2021-11-19 13:59:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_start [2021-11-19 13:59:43,116 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:59:43,119 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:59:50,573 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:01:34,316 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:01:35,193 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:01:35,220 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:01:35,221 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:01:35,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:01:35 BoogieIcfgContainer [2021-11-19 14:01:35,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:01:35,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:01:35,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:01:35,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:01:35,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:59:37" (1/3) ... [2021-11-19 14:01:35,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f43682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:01:35, skipping insertion in model container [2021-11-19 14:01:35,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:41" (2/3) ... [2021-11-19 14:01:35,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f43682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:01:35, skipping insertion in model container [2021-11-19 14:01:35,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:01:35" (3/3) ... [2021-11-19 14:01:35,237 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-11-19 14:01:35,243 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:01:35,244 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:01:35,316 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:01:35,322 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:01:35,322 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:01:35,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 1864 states, 1342 states have (on average 1.3464977645305514) internal successors, (1807), 1344 states have internal predecessors, (1807), 442 states have call successors, (442), 80 states have call predecessors, (442), 79 states have return successors, (435), 435 states have call predecessors, (435), 435 states have call successors, (435) [2021-11-19 14:01:35,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-19 14:01:35,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:01:35,436 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:01:35,436 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:01:35,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:01:35,441 INFO L85 PathProgramCache]: Analyzing trace with hash -138110126, now seen corresponding path program 1 times [2021-11-19 14:01:35,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:01:35,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218668661] [2021-11-19 14:01:35,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:01:35,459 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:01:35,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:01:35,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:01:35,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:01:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:01:38,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 1950 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:01:38,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:01:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 14:01:40,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:01:42,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 14:01:42,067 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:01:42,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218668661] [2021-11-19 14:01:42,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218668661] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:01:42,068 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:01:42,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:01:42,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363708960] [2021-11-19 14:01:42,071 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:01:42,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:01:42,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:01:42,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:01:42,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:01:42,141 INFO L87 Difference]: Start difference. First operand has 1864 states, 1342 states have (on average 1.3464977645305514) internal successors, (1807), 1344 states have internal predecessors, (1807), 442 states have call successors, (442), 80 states have call predecessors, (442), 79 states have return successors, (435), 435 states have call predecessors, (435), 435 states have call successors, (435) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-19 14:01:44,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:01:45,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:01:45,933 INFO L93 Difference]: Finished difference Result 5437 states and 7898 transitions. [2021-11-19 14:01:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:01:45,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 228 [2021-11-19 14:01:45,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:01:45,998 INFO L225 Difference]: With dead ends: 5437 [2021-11-19 14:01:45,998 INFO L226 Difference]: Without dead ends: 3540 [2021-11-19 14:01:46,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:01:46,029 INFO L933 BasicCegarLoop]: 3096 mSDtfsCounter, 2510 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 5723 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:01:46,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2510 Valid, 5723 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-19 14:01:46,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2021-11-19 14:01:46,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3532. [2021-11-19 14:01:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3532 states, 2573 states have (on average 1.3478429848425961) internal successors, (3468), 2577 states have internal predecessors, (3468), 806 states have call successors, (806), 152 states have call predecessors, (806), 152 states have return successors, (806), 804 states have call predecessors, (806), 806 states have call successors, (806) [2021-11-19 14:01:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 5080 transitions. [2021-11-19 14:01:46,421 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 5080 transitions. Word has length 228 [2021-11-19 14:01:46,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:01:46,424 INFO L470 AbstractCegarLoop]: Abstraction has 3532 states and 5080 transitions. [2021-11-19 14:01:46,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-19 14:01:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 5080 transitions. [2021-11-19 14:01:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-19 14:01:46,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:01:46,443 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:01:46,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:01:46,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:01:46,647 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:01:46,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:01:46,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1107835187, now seen corresponding path program 1 times [2021-11-19 14:01:46,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:01:46,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702750195] [2021-11-19 14:01:46,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:01:46,651 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:01:46,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:01:46,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:01:46,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:01:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:01:49,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:01:49,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:01:50,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 14:01:50,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:01:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 14:01:52,197 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:01:52,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702750195] [2021-11-19 14:01:52,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702750195] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:01:52,200 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:01:52,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:01:52,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452334842] [2021-11-19 14:01:52,201 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:01:52,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:01:52,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:01:52,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:01:52,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:01:52,211 INFO L87 Difference]: Start difference. First operand 3532 states and 5080 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:01:54,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:02:13,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:13,369 INFO L93 Difference]: Finished difference Result 13203 states and 18948 transitions. [2021-11-19 14:02:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:02:13,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 233 [2021-11-19 14:02:13,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:13,491 INFO L225 Difference]: With dead ends: 13203 [2021-11-19 14:02:13,492 INFO L226 Difference]: Without dead ends: 9710 [2021-11-19 14:02:13,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:13,530 INFO L933 BasicCegarLoop]: 3345 mSDtfsCounter, 6275 mSDsluCounter, 4010 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 756 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6275 SdHoareTripleChecker+Valid, 7355 SdHoareTripleChecker+Invalid, 1637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 756 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:13,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6275 Valid, 7355 Invalid, 1637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [756 Valid, 880 Invalid, 1 Unknown, 0 Unchecked, 20.5s Time] [2021-11-19 14:02:13,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9710 states. [2021-11-19 14:02:14,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9710 to 9698. [2021-11-19 14:02:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9698 states, 7029 states have (on average 1.340446720728411) internal successors, (9422), 7045 states have internal predecessors, (9422), 2240 states have call successors, (2240), 428 states have call predecessors, (2240), 428 states have return successors, (2240), 2226 states have call predecessors, (2240), 2240 states have call successors, (2240) [2021-11-19 14:02:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 13902 transitions. [2021-11-19 14:02:14,115 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 13902 transitions. Word has length 233 [2021-11-19 14:02:14,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:14,117 INFO L470 AbstractCegarLoop]: Abstraction has 9698 states and 13902 transitions. [2021-11-19 14:02:14,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:02:14,118 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 13902 transitions. [2021-11-19 14:02:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-19 14:02:14,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:14,129 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:14,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:02:14,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:02:14,351 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:02:14,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:14,351 INFO L85 PathProgramCache]: Analyzing trace with hash -65098912, now seen corresponding path program 1 times [2021-11-19 14:02:14,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:02:14,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384085598] [2021-11-19 14:02:14,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:14,354 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:02:14,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:02:14,356 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:02:14,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:02:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:17,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 1972 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:02:17,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 14:02:19,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:02:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 14:02:20,602 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:02:20,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384085598] [2021-11-19 14:02:20,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384085598] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:20,603 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:20,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:02:20,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292493557] [2021-11-19 14:02:20,603 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:20,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:02:20,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:02:20,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:02:20,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:20,606 INFO L87 Difference]: Start difference. First operand 9698 states and 13902 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:02:22,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:02:39,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:39,561 INFO L93 Difference]: Finished difference Result 37979 states and 54408 transitions. [2021-11-19 14:02:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:02:39,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 234 [2021-11-19 14:02:39,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:39,840 INFO L225 Difference]: With dead ends: 37979 [2021-11-19 14:02:39,840 INFO L226 Difference]: Without dead ends: 28320 [2021-11-19 14:02:39,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:39,948 INFO L933 BasicCegarLoop]: 3478 mSDtfsCounter, 5030 mSDsluCounter, 4584 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 36 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5030 SdHoareTripleChecker+Valid, 8062 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:39,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5030 Valid, 8062 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 910 Invalid, 1 Unknown, 0 Unchecked, 18.1s Time] [2021-11-19 14:02:40,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28320 states. [2021-11-19 14:02:41,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28320 to 28268. [2021-11-19 14:02:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28268 states, 20501 states have (on average 1.3405199746353837) internal successors, (27482), 20561 states have internal predecessors, (27482), 6482 states have call successors, (6482), 1284 states have call predecessors, (6482), 1284 states have return successors, (6482), 6428 states have call predecessors, (6482), 6482 states have call successors, (6482) [2021-11-19 14:02:42,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28268 states to 28268 states and 40446 transitions. [2021-11-19 14:02:42,532 INFO L78 Accepts]: Start accepts. Automaton has 28268 states and 40446 transitions. Word has length 234 [2021-11-19 14:02:42,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:42,549 INFO L470 AbstractCegarLoop]: Abstraction has 28268 states and 40446 transitions. [2021-11-19 14:02:42,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:02:42,566 INFO L276 IsEmpty]: Start isEmpty. Operand 28268 states and 40446 transitions. [2021-11-19 14:02:42,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-19 14:02:42,584 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:42,585 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:42,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:02:42,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:02:42,811 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:02:42,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:42,812 INFO L85 PathProgramCache]: Analyzing trace with hash -283864148, now seen corresponding path program 1 times [2021-11-19 14:02:42,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:02:42,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535554173] [2021-11-19 14:02:42,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:42,944 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:02:42,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:02:42,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:02:42,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:02:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:46,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:02:46,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:47,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 14:02:47,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:02:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 14:02:49,487 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:02:49,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535554173] [2021-11-19 14:02:49,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535554173] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:49,487 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:49,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:02:49,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195160927] [2021-11-19 14:02:49,488 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:49,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:02:49,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:02:49,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:02:49,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:49,490 INFO L87 Difference]: Start difference. First operand 28268 states and 40446 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:02:51,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:11,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:11,110 INFO L93 Difference]: Finished difference Result 108393 states and 155278 transitions. [2021-11-19 14:03:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:11,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 243 [2021-11-19 14:03:11,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:11,900 INFO L225 Difference]: With dead ends: 108393 [2021-11-19 14:03:11,900 INFO L226 Difference]: Without dead ends: 80164 [2021-11-19 14:03:12,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:12,071 INFO L933 BasicCegarLoop]: 3379 mSDtfsCounter, 6601 mSDsluCounter, 4151 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 790 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6601 SdHoareTripleChecker+Valid, 7530 SdHoareTripleChecker+Invalid, 1689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 790 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:12,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6601 Valid, 7530 Invalid, 1689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [790 Valid, 898 Invalid, 1 Unknown, 0 Unchecked, 19.2s Time] [2021-11-19 14:03:12,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80164 states. [2021-11-19 14:03:16,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80164 to 80088. [2021-11-19 14:03:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80088 states, 58185 states have (on average 1.3445045974048295) internal successors, (78230), 58437 states have internal predecessors, (78230), 18184 states have call successors, (18184), 3718 states have call predecessors, (18184), 3718 states have return successors, (18184), 17950 states have call predecessors, (18184), 18184 states have call successors, (18184) [2021-11-19 14:03:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80088 states to 80088 states and 114598 transitions. [2021-11-19 14:03:17,963 INFO L78 Accepts]: Start accepts. Automaton has 80088 states and 114598 transitions. Word has length 243 [2021-11-19 14:03:17,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:17,964 INFO L470 AbstractCegarLoop]: Abstraction has 80088 states and 114598 transitions. [2021-11-19 14:03:17,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 14:03:17,965 INFO L276 IsEmpty]: Start isEmpty. Operand 80088 states and 114598 transitions. [2021-11-19 14:03:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-19 14:03:17,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:17,990 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:03:18,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-19 14:03:18,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:18,215 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:03:18,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:18,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1599567124, now seen corresponding path program 1 times [2021-11-19 14:03:18,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:18,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522658939] [2021-11-19 14:03:18,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:18,219 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:18,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:18,220 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:18,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:03:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:21,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 2003 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:03:21,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 14:03:22,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 14:03:24,359 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:24,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522658939] [2021-11-19 14:03:24,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522658939] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:24,366 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:24,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:03:24,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266557130] [2021-11-19 14:03:24,367 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:24,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:03:24,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:24,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:03:24,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:24,378 INFO L87 Difference]: Start difference. First operand 80088 states and 114598 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 4 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-19 14:03:26,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:52,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:52,167 INFO L93 Difference]: Finished difference Result 314323 states and 449580 transitions. [2021-11-19 14:03:52,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:52,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 4 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 252 [2021-11-19 14:03:52,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:54,046 INFO L225 Difference]: With dead ends: 314323 [2021-11-19 14:03:54,047 INFO L226 Difference]: Without dead ends: 234274 [2021-11-19 14:03:54,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:54,691 INFO L933 BasicCegarLoop]: 3725 mSDtfsCounter, 6425 mSDsluCounter, 4185 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 734 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6425 SdHoareTripleChecker+Valid, 7910 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 734 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:54,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6425 Valid, 7910 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [734 Valid, 907 Invalid, 1 Unknown, 0 Unchecked, 19.6s Time] [2021-11-19 14:03:54,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234274 states. [2021-11-19 14:04:07,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234274 to 234234. [2021-11-19 14:04:07,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234234 states, 170421 states have (on average 1.344165331737286) internal successors, (229074), 171213 states have internal predecessors, (229074), 52666 states have call successors, (52666), 11146 states have call predecessors, (52666), 11146 states have return successors, (52666), 51928 states have call predecessors, (52666), 52666 states have call successors, (52666) [2021-11-19 14:04:09,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234234 states to 234234 states and 334406 transitions. [2021-11-19 14:04:09,981 INFO L78 Accepts]: Start accepts. Automaton has 234234 states and 334406 transitions. Word has length 252 [2021-11-19 14:04:09,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:09,983 INFO L470 AbstractCegarLoop]: Abstraction has 234234 states and 334406 transitions. [2021-11-19 14:04:09,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 4 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-19 14:04:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 234234 states and 334406 transitions. [2021-11-19 14:04:10,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-19 14:04:10,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:10,003 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:04:10,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:10,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:10,223 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:04:10,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:10,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1336664887, now seen corresponding path program 1 times [2021-11-19 14:04:10,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:10,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36772503] [2021-11-19 14:04:10,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:10,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:10,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:10,232 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:10,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa814b-114e-4f1e-b569-f5c27a2db888/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:04:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:13,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 2006 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:13,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:15,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 14:04:15,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 14:04:16,412 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:16,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36772503] [2021-11-19 14:04:16,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36772503] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:16,415 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:16,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:04:16,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150567210] [2021-11-19 14:04:16,416 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:16,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:04:16,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:16,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:04:16,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:04:16,418 INFO L87 Difference]: Start difference. First operand 234234 states and 334406 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-19 14:04:18,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []