./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/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_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 00:54:48,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:54:48,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:54:48,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:54:48,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:54:48,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:54:48,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:54:48,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:54:48,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:54:48,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:54:48,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:54:48,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:54:48,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:54:48,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:54:48,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:54:48,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:54:48,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:54:48,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:54:48,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:54:48,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:54:48,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:54:48,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:54:48,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:54:48,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:54:49,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:54:49,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:54:49,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:54:49,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:54:49,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:54:49,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:54:49,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:54:49,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:54:49,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:54:49,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:54:49,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:54:49,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:54:49,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:54:49,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:54:49,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:54:49,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:54:49,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:54:49,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 00:54:49,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:54:49,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:54:49,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:54:49,072 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:54:49,072 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:54:49,073 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:54:49,073 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:54:49,073 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:54:49,079 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:54:49,079 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:54:49,080 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:54:49,080 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:54:49,081 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:54:49,081 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:54:49,081 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:54:49,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:54:49,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:54:49,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:54:49,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:54:49,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:54:49,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:54:49,083 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:54:49,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:54:49,084 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:54:49,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:54:49,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:54:49,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:54:49,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:49,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:54:49,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:54:49,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:54:49,087 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:54:49,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:54:49,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:54:49,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:54:49,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:54:49,088 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_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2021-11-07 00:54:49,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:54:49,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:54:49,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:54:49,395 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:54:49,396 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:54:49,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-11-07 00:54:49,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/data/9e807a066/9d3f6742ad8447bbb1eb121959274337/FLAG2df30e8a0 [2021-11-07 00:54:50,474 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:54:50,475 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-11-07 00:54:50,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/data/9e807a066/9d3f6742ad8447bbb1eb121959274337/FLAG2df30e8a0 [2021-11-07 00:54:50,886 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/data/9e807a066/9d3f6742ad8447bbb1eb121959274337 [2021-11-07 00:54:50,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:54:50,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:54:50,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:50,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:54:50,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:54:50,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:50" (1/1) ... [2021-11-07 00:54:50,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3f6968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:50, skipping insertion in model container [2021-11-07 00:54:50,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:50" (1/1) ... [2021-11-07 00:54:50,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:54:51,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:52,228 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,608 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,609 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,609 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,611 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,714 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,774 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,781 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,783 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,800 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,811 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,814 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,817 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,873 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,876 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,937 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,941 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,951 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,953 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,954 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,956 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:52,996 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:53,125 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:53,150 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:53,157 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 00:54:53,444 WARN L228 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_c989aac6-cab8-484b-af20-e846b80edaef/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] [2021-11-07 00:54:53,446 WARN L228 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_c989aac6-cab8-484b-af20-e846b80edaef/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] [2021-11-07 00:54:53,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:53,504 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) [2021-11-07 00:54:53,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54ea6d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:53, skipping insertion in model container [2021-11-07 00:54:53,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:53,507 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:54:53,509 INFO L168 Benchmark]: Toolchain (without parser) took 2616.18 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 63.3 MB in the beginning and 73.9 MB in the end (delta: -10.6 MB). Peak memory consumption was 55.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:53,510 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:54:53,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2610.30 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 63.0 MB in the beginning and 73.9 MB in the end (delta: -10.9 MB). Peak memory consumption was 55.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:53,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2610.30 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 63.0 MB in the beginning and 73.9 MB in the end (delta: -10.9 MB). Peak memory consumption was 55.5 MB. Max. memory is 16.1 GB. * 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_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/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_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 00:54:55,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:54:55,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:54:55,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:54:55,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:54:55,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:54:55,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:54:55,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:54:55,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:54:55,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:54:55,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:54:55,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:54:55,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:54:55,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:54:55,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:54:55,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:54:55,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:54:55,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:54:55,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:54:55,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:54:55,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:54:55,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:54:55,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:54:55,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:54:55,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:54:55,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:54:55,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:54:55,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:54:55,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:54:55,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:54:55,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:54:55,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:54:55,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:54:55,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:54:55,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:54:55,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:54:55,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:54:55,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:54:55,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:54:55,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:54:55,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:54:55,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 00:54:56,018 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:54:56,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:54:56,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:54:56,020 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:54:56,020 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:54:56,020 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:54:56,020 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:54:56,021 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:54:56,021 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:54:56,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:54:56,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:54:56,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:54:56,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:54:56,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:54:56,025 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:54:56,025 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:54:56,025 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:54:56,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:54:56,026 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:54:56,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:54:56,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:54:56,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:54:56,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:54:56,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:56,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:54:56,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:54:56,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:54:56,028 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:54:56,028 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:56,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:54:56,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:54:56,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:54:56,029 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_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2021-11-07 00:54:56,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:54:56,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:54:56,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:54:56,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:54:56,471 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:54:56,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-11-07 00:54:56,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/data/bbc596b23/e7cb651a07f9403a9cb8cf6f15e882dd/FLAG36fb78978 [2021-11-07 00:54:57,481 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:54:57,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-11-07 00:54:57,521 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/data/bbc596b23/e7cb651a07f9403a9cb8cf6f15e882dd/FLAG36fb78978 [2021-11-07 00:54:57,880 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/data/bbc596b23/e7cb651a07f9403a9cb8cf6f15e882dd [2021-11-07 00:54:57,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:54:57,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:54:57,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:57,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:54:57,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:54:57,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:57" (1/1) ... [2021-11-07 00:54:57,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240856f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:57, skipping insertion in model container [2021-11-07 00:54:57,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:57" (1/1) ... [2021-11-07 00:54:57,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:54:58,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:55:00,473 WARN L228 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_c989aac6-cab8-484b-af20-e846b80edaef/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] [2021-11-07 00:55:00,476 WARN L228 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_c989aac6-cab8-484b-af20-e846b80edaef/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] [2021-11-07 00:55:00,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:55:00,525 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:55:00,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:55:01,002 WARN L228 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_c989aac6-cab8-484b-af20-e846b80edaef/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] [2021-11-07 00:55:01,003 WARN L228 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_c989aac6-cab8-484b-af20-e846b80edaef/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] [2021-11-07 00:55:01,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:55:01,042 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:55:01,509 WARN L228 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_c989aac6-cab8-484b-af20-e846b80edaef/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] [2021-11-07 00:55:01,509 WARN L228 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_c989aac6-cab8-484b-af20-e846b80edaef/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] [2021-11-07 00:55:01,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:55:01,723 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:55:01,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01 WrapperNode [2021-11-07 00:55:01,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:55:01,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:55:01,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:55:01,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:55:01,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01" (1/1) ... [2021-11-07 00:55:01,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01" (1/1) ... [2021-11-07 00:55:03,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:55:03,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:55:03,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:55:03,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:55:03,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01" (1/1) ... [2021-11-07 00:55:03,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01" (1/1) ... [2021-11-07 00:55:03,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01" (1/1) ... [2021-11-07 00:55:03,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01" (1/1) ... [2021-11-07 00:55:04,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01" (1/1) ... [2021-11-07 00:55:05,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01" (1/1) ... [2021-11-07 00:55:05,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01" (1/1) ... [2021-11-07 00:55:05,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:55:05,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:55:05,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:55:05,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:55:05,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01" (1/1) ... [2021-11-07 00:55:05,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:55:05,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:55:05,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:55:05,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:55:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 00:55:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init_controls [2021-11-07 00:55:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init_controls [2021-11-07 00:55:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 00:55:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 00:55:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 00:55:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 00:55:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:55:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:55:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 00:55:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 00:55:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 00:55:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:55:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 00:55:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 00:55:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:55:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 00:55:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 00:55:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init [2021-11-07 00:55:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init [2021-11-07 00:55:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 00:55:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 00:55:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_start [2021-11-07 00:55:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_start [2021-11-07 00:55:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 00:55:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 00:55:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:55:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:55:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:55:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:02:07,178 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#6: ldv_switch_1_#res := 0bv32; [2021-11-07 01:02:07,178 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#7: ldv_switch_1_#res := 0bv32; [2021-11-07 01:02:07,179 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0bv32; [2021-11-07 01:02:07,179 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#5: ldv_switch_1_#res := 0bv32; [2021-11-07 01:02:07,179 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2021-11-07 01:02:07,179 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0bv32; [2021-11-07 01:02:07,180 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2021-11-07 01:02:07,180 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-11-07 01:02:07,180 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#8: ldv_switch_1_#res := 0bv32; [2021-11-07 01:02:07,180 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#9: ldv_switch_1_#res := 0bv32; [2021-11-07 01:02:07,181 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#10: ldv_switch_1_#res := 0bv32; [2021-11-07 01:02:07,182 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 01:02:07,182 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0bv32; [2021-11-07 01:02:07,183 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-11-07 01:02:07,247 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:02:07,247 INFO L299 CfgBuilder]: Removed 6763 assume(true) statements. [2021-11-07 01:02:07,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:07 BoogieIcfgContainer [2021-11-07 01:02:07,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:02:07,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:02:07,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:02:07,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:02:07,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:54:57" (1/3) ... [2021-11-07 01:02:07,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a226b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:07, skipping insertion in model container [2021-11-07 01:02:07,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:01" (2/3) ... [2021-11-07 01:02:07,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a226b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:07, skipping insertion in model container [2021-11-07 01:02:07,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:07" (3/3) ... [2021-11-07 01:02:07,267 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-11-07 01:02:07,273 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:02:07,273 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 01:02:07,359 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:02:07,365 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 [2021-11-07 01:02:07,366 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 01:02:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 9360 states, 9331 states have (on average 1.4032793912763906) internal successors, (13094), 9336 states have internal predecessors, (13094), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-07 01:02:07,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 01:02:07,569 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:02:07,570 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:02:07,571 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 01:02:07,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:02:07,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1969197151, now seen corresponding path program 1 times [2021-11-07 01:02:07,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:02:07,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503355325] [2021-11-07 01:02:07,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:02:07,612 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:02:07,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:02:07,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:02:07,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:02:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:02:12,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1932 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:02:12,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:02:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:02:13,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:02:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:02:14,745 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:02:14,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503355325] [2021-11-07 01:02:14,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503355325] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:02:14,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:02:14,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:02:14,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596804024] [2021-11-07 01:02:14,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:02:14,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:02:14,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:02:14,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:02:14,792 INFO L87 Difference]: Start difference. First operand has 9360 states, 9331 states have (on average 1.4032793912763906) internal successors, (13094), 9336 states have internal predecessors, (13094), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:02:19,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:02:19,444 INFO L93 Difference]: Finished difference Result 25905 states and 36441 transitions. [2021-11-07 01:02:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:02:19,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-07 01:02:19,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:02:19,654 INFO L225 Difference]: With dead ends: 25905 [2021-11-07 01:02:19,654 INFO L226 Difference]: Without dead ends: 16320 [2021-11-07 01:02:19,778 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:02:19,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16320 states. [2021-11-07 01:02:20,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16320 to 16300. [2021-11-07 01:02:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16300 states, 16248 states have (on average 1.3940177252584933) internal successors, (22650), 16253 states have internal predecessors, (22650), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-11-07 01:02:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16300 states to 16300 states and 22726 transitions. [2021-11-07 01:02:20,663 INFO L78 Accepts]: Start accepts. Automaton has 16300 states and 22726 transitions. Word has length 81 [2021-11-07 01:02:20,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:02:20,667 INFO L470 AbstractCegarLoop]: Abstraction has 16300 states and 22726 transitions. [2021-11-07 01:02:20,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:02:20,671 INFO L276 IsEmpty]: Start isEmpty. Operand 16300 states and 22726 transitions. [2021-11-07 01:02:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-07 01:02:20,687 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:02:20,689 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:02:20,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:02:20,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:02:20,890 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 01:02:20,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:02:20,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1415971259, now seen corresponding path program 1 times [2021-11-07 01:02:20,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:02:20,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062995133] [2021-11-07 01:02:20,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:02:20,904 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:02:20,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:02:20,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:02:20,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:02:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:02:25,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1976 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:02:25,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:02:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:02:26,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:02:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:02:28,002 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:02:28,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062995133] [2021-11-07 01:02:28,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062995133] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:02:28,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:02:28,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:02:28,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262487011] [2021-11-07 01:02:28,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:02:28,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:02:28,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:02:28,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:02:28,007 INFO L87 Difference]: Start difference. First operand 16300 states and 22726 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:02:34,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:02:34,765 INFO L93 Difference]: Finished difference Result 63868 states and 89105 transitions. [2021-11-07 01:02:34,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:02:34,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-11-07 01:02:34,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:02:35,168 INFO L225 Difference]: With dead ends: 63868 [2021-11-07 01:02:35,168 INFO L226 Difference]: Without dead ends: 47708 [2021-11-07 01:02:35,310 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:02:35,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47708 states. [2021-11-07 01:02:37,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47708 to 47660. [2021-11-07 01:02:37,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47660 states, 47552 states have (on average 1.394936069986541) internal successors, (66332), 47557 states have internal predecessors, (66332), 78 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2021-11-07 01:02:37,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47660 states to 47660 states and 66488 transitions. [2021-11-07 01:02:37,504 INFO L78 Accepts]: Start accepts. Automaton has 47660 states and 66488 transitions. Word has length 86 [2021-11-07 01:02:37,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:02:37,507 INFO L470 AbstractCegarLoop]: Abstraction has 47660 states and 66488 transitions. [2021-11-07 01:02:37,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:02:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 47660 states and 66488 transitions. [2021-11-07 01:02:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-07 01:02:37,516 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:02:37,516 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:02:37,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:02:37,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:02:37,741 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~C_INTErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~C_INTErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 01:02:37,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:02:37,741 INFO L85 PathProgramCache]: Analyzing trace with hash -241416241, now seen corresponding path program 1 times [2021-11-07 01:02:37,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:02:37,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893173763] [2021-11-07 01:02:37,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:02:37,748 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:02:37,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:02:37,756 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:02:37,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c989aac6-cab8-484b-af20-e846b80edaef/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:02:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:02:42,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 1954 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:02:42,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:02:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:02:43,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:02:45,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:02:45,010 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:02:45,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893173763] [2021-11-07 01:02:45,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1893173763] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:02:45,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:02:45,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:02:45,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485599669] [2021-11-07 01:02:45,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:02:45,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:02:45,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:02:45,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:02:45,013 INFO L87 Difference]: Start difference. First operand 47660 states and 66488 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:02:54,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:02:54,675 INFO L93 Difference]: Finished difference Result 188324 states and 263081 transitions. [2021-11-07 01:02:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:02:54,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-07 01:02:54,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:02:55,593 INFO L225 Difference]: With dead ends: 188324 [2021-11-07 01:02:55,593 INFO L226 Difference]: Without dead ends: 140804 [2021-11-07 01:02:56,137 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:02:56,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140804 states.