./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.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_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/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_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/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_690941dd-5605-4dc2-8693-64226d54e6b5/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 5cb637222875578a4a5fa96925cf9060bd5dc735b183bd12c9c7f65912176d3e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:47:45,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:47:45,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:47:45,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:47:45,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:47:45,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:47:45,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:47:45,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:47:45,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:47:45,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:47:45,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:47:45,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:47:45,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:47:45,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:47:45,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:47:45,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:47:45,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:47:45,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:47:45,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:47:45,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:47:45,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:47:45,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:47:45,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:47:45,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:47:45,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:47:45,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:47:45,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:47:45,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:47:45,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:47:45,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:47:45,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:47:45,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:47:45,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:47:45,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:47:45,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:47:45,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:47:45,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:47:45,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:47:45,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:47:45,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:47:45,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:47:45,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:47:46,033 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:47:46,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:47:46,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:47:46,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:47:46,035 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:47:46,035 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:47:46,036 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:47:46,036 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:47:46,036 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:47:46,036 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:47:46,038 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:47:46,038 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:47:46,038 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:47:46,038 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:47:46,039 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:47:46,039 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:47:46,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:47:46,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:47:46,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:47:46,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:47:46,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:47:46,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:47:46,041 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:47:46,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:47:46,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:47:46,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:47:46,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:47:46,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:47:46,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:47:46,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:47:46,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:47:46,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:47:46,045 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:47:46,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:47:46,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:47:46,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:47:46,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:47:46,046 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_690941dd-5605-4dc2-8693-64226d54e6b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb637222875578a4a5fa96925cf9060bd5dc735b183bd12c9c7f65912176d3e [2021-11-19 14:47:46,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:47:46,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:47:46,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:47:46,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:47:46,397 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:47:46,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2021-11-19 14:47:46,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/data/893bb43de/e13984192afc47f4a16db631e6a72f1b/FLAGeaab0e653 [2021-11-19 14:47:47,684 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:47:47,685 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2021-11-19 14:47:47,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/data/893bb43de/e13984192afc47f4a16db631e6a72f1b/FLAGeaab0e653 [2021-11-19 14:47:47,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/data/893bb43de/e13984192afc47f4a16db631e6a72f1b [2021-11-19 14:47:47,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:47:47,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:47:47,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:47:47,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:47:47,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:47:47,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:47" (1/1) ... [2021-11-19 14:47:47,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24390a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:47, skipping insertion in model container [2021-11-19 14:47:47,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:47" (1/1) ... [2021-11-19 14:47:47,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:47:48,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:47:49,619 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_690941dd-5605-4dc2-8693-64226d54e6b5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i[226403,226416] [2021-11-19 14:47:49,997 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 14:47:49,999 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 14:47:50,260 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 14:47:50,261 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 14:47:50,460 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 14:47:54,200 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 14:47:54,531 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:54,736 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 14:47:54,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d9e50bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:54, skipping insertion in model container [2021-11-19 14:47:54,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:47:54,737 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:47:54,740 INFO L158 Benchmark]: Toolchain (without parser) took 6903.61ms. Allocated memory was 113.2MB in the beginning and 287.3MB in the end (delta: 174.1MB). Free memory was 68.9MB in the beginning and 166.5MB in the end (delta: -97.6MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2021-11-19 14:47:54,740 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 67.3MB in the beginning and 67.2MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:47:54,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6899.21ms. Allocated memory was 113.2MB in the beginning and 287.3MB in the end (delta: 174.1MB). Free memory was 68.4MB in the beginning and 166.5MB in the end (delta: -98.2MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2021-11-19 14:47:54,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 67.3MB in the beginning and 67.2MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6899.21ms. Allocated memory was 113.2MB in the beginning and 287.3MB in the end (delta: 174.1MB). Free memory was 68.4MB in the beginning and 166.5MB in the end (delta: -98.2MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8166]: 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_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/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_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/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_690941dd-5605-4dc2-8693-64226d54e6b5/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 5cb637222875578a4a5fa96925cf9060bd5dc735b183bd12c9c7f65912176d3e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:47:57,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:47:57,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:47:57,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:47:57,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:47:57,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:47:57,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:47:57,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:47:57,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:47:57,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:47:57,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:47:57,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:47:57,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:47:57,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:47:57,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:47:57,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:47:57,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:47:57,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:47:57,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:47:57,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:47:57,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:47:57,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:47:57,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:47:57,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:47:57,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:47:57,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:47:57,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:47:57,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:47:57,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:47:57,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:47:57,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:47:57,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:47:57,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:47:57,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:47:57,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:47:57,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:47:57,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:47:57,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:47:57,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:47:57,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:47:57,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:47:57,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:47:57,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:47:57,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:47:57,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:47:57,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:47:57,341 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:47:57,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:47:57,341 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:47:57,341 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:47:57,341 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:47:57,342 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:47:57,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:47:57,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:47:57,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:47:57,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:47:57,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:47:57,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:47:57,345 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:47:57,345 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:47:57,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:47:57,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:47:57,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:47:57,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:47:57,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:47:57,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:47:57,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:47:57,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:47:57,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:47:57,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:47:57,347 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:47:57,347 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:47:57,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:47:57,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:47:57,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:47:57,348 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_690941dd-5605-4dc2-8693-64226d54e6b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb637222875578a4a5fa96925cf9060bd5dc735b183bd12c9c7f65912176d3e [2021-11-19 14:47:57,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:47:57,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:47:57,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:47:57,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:47:57,762 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:47:57,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2021-11-19 14:47:57,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/data/d13a3f0dc/fae038d48b1248e8b0f11c56d831a5d0/FLAG05c851cb0 [2021-11-19 14:47:59,286 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:47:59,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2021-11-19 14:47:59,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/data/d13a3f0dc/fae038d48b1248e8b0f11c56d831a5d0/FLAG05c851cb0 [2021-11-19 14:47:59,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/data/d13a3f0dc/fae038d48b1248e8b0f11c56d831a5d0 [2021-11-19 14:47:59,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:47:59,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:47:59,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:47:59,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:47:59,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:47:59,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:59" (1/1) ... [2021-11-19 14:47:59,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dde13f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59, skipping insertion in model container [2021-11-19 14:47:59,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:59" (1/1) ... [2021-11-19 14:47:59,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:48:00,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:48:01,488 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_690941dd-5605-4dc2-8693-64226d54e6b5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i[226403,226416] [2021-11-19 14:48:06,462 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:48:06,667 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:48:06,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:48:07,030 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_690941dd-5605-4dc2-8693-64226d54e6b5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i[226403,226416] [2021-11-19 14:48:07,798 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:48:07,917 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:48:08,118 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_690941dd-5605-4dc2-8693-64226d54e6b5/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i[226403,226416] [2021-11-19 14:48:09,087 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:48:09,617 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:48:09,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09 WrapperNode [2021-11-19 14:48:09,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:48:09,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:48:09,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:48:09,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:48:09,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:09,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:10,346 INFO L137 Inliner]: procedures = 491, calls = 9531, calls flagged for inlining = 212, calls inlined = 205, statements flattened = 20230 [2021-11-19 14:48:10,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:48:10,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:48:10,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:48:10,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:48:10,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:10,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:10,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:10,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:11,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:11,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:11,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:11,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:48:11,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:48:11,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:48:11,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:48:11,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09" (1/1) ... [2021-11-19 14:48:11,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:48:11,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:48:11,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:48:11,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:48:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_config_rf_radio_a [2021-11-19 14:48:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_config_rf_radio_a [2021-11-19 14:48:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure phy_similarity_cmp [2021-11-19 14:48:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_similarity_cmp [2021-11-19 14:48:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_init_led [2021-11-19 14:48:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_init_led [2021-11-19 14:48:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_path_adda_on [2021-11-19 14:48:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_path_adda_on [2021-11-19 14:48:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_btc_status [2021-11-19 14:48:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_btc_status [2021-11-19 14:48:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure phy_conv_dbm_to_rel [2021-11-19 14:48:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_conv_dbm_to_rel [2021-11-19 14:48:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-19 14:48:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-19 14:48:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_reload_adda_registers [2021-11-19 14:48:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_reload_adda_registers [2021-11-19 14:48:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:48:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:48:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_hw_init [2021-11-19 14:48:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_hw_init [2021-11-19 14:48:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-19 14:48:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-19 14:48:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-11-19 14:48:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-11-19 14:48:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-19 14:48:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-19 14:48:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure phy_get_txpwr_by_rate_base [2021-11-19 14:48:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_get_txpwr_by_rate_base [2021-11-19 14:48:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2021-11-19 14:48:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2021-11-19 14:48:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_hal_rate_tbl [2021-11-19 14:48:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_hal_rate_tbl [2021-11-19 14:48:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-11-19 14:48:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-11-19 14:48:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:48:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:48:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~~bool~0 [2021-11-19 14:48:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~~bool~0 [2021-11-19 14:48:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:48:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:48:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_watchdog [2021-11-19 14:48:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_watchdog [2021-11-19 14:48:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-19 14:48:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-19 14:48:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_gpio_radio_on_off_checking [2021-11-19 14:48:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_gpio_radio_on_off_checking [2021-11-19 14:48:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_rx_query_desc [2021-11-19 14:48:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_rx_query_desc [2021-11-19 14:48:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-19 14:48:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_rf_serial_read [2021-11-19 14:48:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_rf_serial_read [2021-11-19 14:48:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:48:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:48:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_bcn_ctrl_reg [2021-11-19 14:48:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_bcn_ctrl_reg [2021-11-19 14:48:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_resume_tx_beacon [2021-11-19 14:48:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_resume_tx_beacon [2021-11-19 14:48:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_query_bb_reg [2021-11-19 14:48:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_query_bb_reg [2021-11-19 14:48:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:48:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:48:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:48:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:48:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:48:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_config_bb_with_headerfile [2021-11-19 14:48:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_config_bb_with_headerfile [2021-11-19 14:48:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_calculate_bit_shift [2021-11-19 14:48:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_calculate_bit_shift [2021-11-19 14:48:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-11-19 14:48:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-11-19 14:48:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:48:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:48:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-19 14:48:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-19 14:48:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2021-11-19 14:48:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2021-11-19 14:48:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:48:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:48:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-11-19 14:48:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-11-19 14:48:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:48:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:48:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_resume [2021-11-19 14:48:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_resume [2021-11-19 14:48:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:48:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:48:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_fw_rsvdpagepkt [2021-11-19 14:48:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_fw_rsvdpagepkt [2021-11-19 14:48:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_23 [2021-11-19 14:48:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_23 [2021-11-19 14:48:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-19 14:48:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-19 14:48:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_dm_init_edca_turbo [2021-11-19 14:48:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_dm_init_edca_turbo [2021-11-19 14:48:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_init_sw_leds [2021-11-19 14:48:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_init_sw_leds [2021-11-19 14:48:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_interrupt_recognized [2021-11-19 14:48:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_interrupt_recognized [2021-11-19 14:48:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-19 14:48:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-19 14:48:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_clock_on [2021-11-19 14:48:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_clock_on [2021-11-19 14:48:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-11-19 14:48:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-11-19 14:48:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-19 14:48:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-19 14:48:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_set_txpower_index [2021-11-19 14:48:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_set_txpower_index [2021-11-19 14:48:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_enable_hw_security_config [2021-11-19 14:48:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_enable_hw_security_config [2021-11-19 14:48:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_query_rf_reg [2021-11-19 14:48:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_query_rf_reg [2021-11-19 14:48:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-19 14:48:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_save_adda_registers [2021-11-19 14:48:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_save_adda_registers [2021-11-19 14:48:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-19 14:48:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-19 14:48:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_polling [2021-11-19 14:48:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_polling [2021-11-19 14:48:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:48:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_cmd_send_packet [2021-11-19 14:48:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_cmd_send_packet [2021-11-19 14:48:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_led_control [2021-11-19 14:48:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_led_control [2021-11-19 14:48:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_check_bssid [2021-11-19 14:48:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_check_bssid [2021-11-19 14:48:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:48:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_disable_interrupt [2021-11-19 14:48:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_disable_interrupt [2021-11-19 14:48:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:48:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:48:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:48:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:48:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:48:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_hw_reg [2021-11-19 14:48:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_hw_reg [2021-11-19 14:48:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:48:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:48:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:48:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:48:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_hdr [2021-11-19 14:48:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_hdr [2021-11-19 14:48:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hal_pwrseqcmdparsing [2021-11-19 14:48:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hal_pwrseqcmdparsing [2021-11-19 14:48:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_sw_chnl [2021-11-19 14:48:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_sw_chnl [2021-11-19 14:48:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 14:48:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 14:48:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_enable_interrupt [2021-11-19 14:48:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_enable_interrupt [2021-11-19 14:48:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_clock_off [2021-11-19 14:48:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_clock_off [2021-11-19 14:48:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_sw_led_off [2021-11-19 14:48:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_sw_led_off [2021-11-19 14:48:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-11-19 14:48:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-11-19 14:48:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:48:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:48:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:48:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_desc [2021-11-19 14:48:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_desc [2021-11-19 14:48:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_rf_power_state [2021-11-19 14:48:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_rf_power_state [2021-11-19 14:48:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-19 14:48:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-19 14:48:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:48:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_media_status [2021-11-19 14:48:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_media_status [2021-11-19 14:48:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:48:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:48:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:48:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:48:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:48:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:48:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:48:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_qos [2021-11-19 14:48:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_qos [2021-11-19 14:48:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2021-11-19 14:48:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2021-11-19 14:48:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-11-19 14:48:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-11-19 14:48:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_txpower_level [2021-11-19 14:48:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_txpower_level [2021-11-19 14:48:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-19 14:48:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-19 14:48:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_set_sw_chnl_cmdarray [2021-11-19 14:48:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_set_sw_chnl_cmdarray [2021-11-19 14:48:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 14:48:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 14:48:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_suspend [2021-11-19 14:48:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_suspend [2021-11-19 14:48:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_check_txpower_tracking [2021-11-19 14:48:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_check_txpower_tracking [2021-11-19 14:48:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_set_fw_ps_rf_on [2021-11-19 14:48:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_set_fw_ps_rf_on [2021-11-19 14:48:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_scan_operation_backup [2021-11-19 14:48:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_scan_operation_backup [2021-11-19 14:48:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-19 14:48:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-19 14:48:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_phy_iq_calibrate [2021-11-19 14:48:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_phy_iq_calibrate [2021-11-19 14:48:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_iqk_matrix [2021-11-19 14:48:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_iqk_matrix [2021-11-19 14:48:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_key [2021-11-19 14:48:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_key [2021-11-19 14:48:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-19 14:48:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-19 14:48:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-19 14:48:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-19 14:48:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-11-19 14:48:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-11-19 14:48:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-19 14:48:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-19 14:48:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-11-19 14:48:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-11-19 14:48:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 14:48:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 14:48:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-11-19 14:48:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-11-19 14:48:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:48:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:48:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 14:48:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 14:48:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-19 14:48:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-19 14:48:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_channel_access_setting [2021-11-19 14:48:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_channel_access_setting [2021-11-19 14:48:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:48:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_dm_tx_power_track_set_power [2021-11-19 14:48:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_dm_tx_power_track_set_power [2021-11-19 14:48:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_init_sw_vars [2021-11-19 14:48:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_init_sw_vars [2021-11-19 14:48:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_fill_desc [2021-11-19 14:48:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_fill_desc [2021-11-19 14:48:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure phy_set_txpwr_by_rate_base [2021-11-19 14:48:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_set_txpwr_by_rate_base [2021-11-19 14:48:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:48:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-19 14:48:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-19 14:48:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_pi_mode_switch [2021-11-19 14:48:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_pi_mode_switch [2021-11-19 14:48:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_hw_reg [2021-11-19 14:48:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_hw_reg [2021-11-19 14:48:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2021-11-19 14:48:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2021-11-19 14:48:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-19 14:48:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-19 14:48:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:48:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:48:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:48:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:48:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_fwlps_enter [2021-11-19 14:48:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_fwlps_enter [2021-11-19 14:48:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_fwlps_leave [2021-11-19 14:48:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_fwlps_leave [2021-11-19 14:48:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:48:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_get_txpower_index [2021-11-19 14:48:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_get_txpower_index [2021-11-19 14:48:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~X~~u8~0~TO~~u32~0 [2021-11-19 14:48:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~X~~u8~0~TO~~u32~0 [2021-11-19 14:48:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 14:48:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 14:48:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_beacon_related_registers [2021-11-19 14:48:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_beacon_related_registers [2021-11-19 14:48:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_rf_reg [2021-11-19 14:48:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_rf_reg [2021-11-19 14:48:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_get_desc [2021-11-19 14:48:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_get_desc [2021-11-19 14:48:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_stop_tx_beacon [2021-11-19 14:48:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_stop_tx_beacon [2021-11-19 14:48:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_deinit_sw_vars [2021-11-19 14:48:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_deinit_sw_vars [2021-11-19 14:48:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:48:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:48:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-11-19 14:48:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-11-19 14:48:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-19 14:48:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-19 14:48:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-11-19 14:48:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-11-19 14:48:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-19 14:48:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-19 14:48:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_card_disable [2021-11-19 14:48:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_card_disable [2021-11-19 14:48:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-19 14:48:11,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-19 14:48:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_update_interrupt_mask [2021-11-19 14:48:11,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_update_interrupt_mask [2021-11-19 14:48:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-19 14:48:11,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-19 14:48:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2021-11-19 14:48:11,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2021-11-19 14:48:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_network_type [2021-11-19 14:48:11,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_network_type [2021-11-19 14:48:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:48:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:48:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:48:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:48:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:48:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:48:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-11-19 14:48:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-11-19 14:48:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-11-19 14:48:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-11-19 14:48:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_set_bw_mode [2021-11-19 14:48:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_set_bw_mode [2021-11-19 14:48:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure is_fw_header [2021-11-19 14:48:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fw_header [2021-11-19 14:48:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-19 14:48:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-19 14:48:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:48:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:48:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-19 14:48:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-19 14:48:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_read_eeprom_info [2021-11-19 14:48:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_read_eeprom_info [2021-11-19 14:48:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_set_beacon_interval [2021-11-19 14:48:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_set_beacon_interval [2021-11-19 14:48:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-19 14:48:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-19 14:48:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_is_tx_desc_closed [2021-11-19 14:48:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_is_tx_desc_closed [2021-11-19 14:48:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_llt_write [2021-11-19 14:48:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_llt_write [2021-11-19 14:48:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_bb_delay [2021-11-19 14:48:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_bb_delay [2021-11-19 14:48:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723_phy_set_bb_reg [2021-11-19 14:48:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723_phy_set_bb_reg [2021-11-19 14:48:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_sw_led_on [2021-11-19 14:48:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_sw_led_on [2021-11-19 14:48:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-11-19 14:48:11,680 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-11-19 14:48:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_check_fw_read_last_h2c [2021-11-19 14:48:11,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_check_fw_read_last_h2c [2021-11-19 14:48:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 14:48:11,680 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 14:48:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 14:48:11,680 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 14:48:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_lc_calibrate [2021-11-19 14:48:11,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_lc_calibrate [2021-11-19 14:48:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8723be_check_condition [2021-11-19 14:48:11,681 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8723be_check_condition [2021-11-19 14:48:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_tx_fill_cmddesc [2021-11-19 14:48:11,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_tx_fill_cmddesc [2021-11-19 14:48:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-11-19 14:48:11,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-11-19 14:48:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_phy_config_rf_with_headerfile [2021-11-19 14:48:11,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_phy_config_rf_with_headerfile [2021-11-19 14:48:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-11-19 14:48:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8723be_fill_h2c_cmd [2021-11-19 14:48:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8723be_fill_h2c_cmd [2021-11-19 14:48:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-19 14:48:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-19 14:48:13,330 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:48:13,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:48:15,384 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:57:26,616 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:57:26,669 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:57:26,670 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-19 14:57:26,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:26 BoogieIcfgContainer [2021-11-19 14:57:26,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:57:26,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:57:26,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:57:26,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:57:26,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:47:59" (1/3) ... [2021-11-19 14:57:26,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c33e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:57:26, skipping insertion in model container [2021-11-19 14:57:26,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:09" (2/3) ... [2021-11-19 14:57:26,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c33e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:57:26, skipping insertion in model container [2021-11-19 14:57:26,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:26" (3/3) ... [2021-11-19 14:57:26,691 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--rtl8723be--rtl8723be.ko-entry_point.cil.out.i [2021-11-19 14:57:26,697 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:57:26,697 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:57:26,793 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:57:26,802 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 14:57:26,803 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:57:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 6253 states, 4364 states have (on average 1.4207149404216315) internal successors, (6200), 4512 states have internal predecessors, (6200), 1732 states have call successors, (1732), 159 states have call predecessors, (1732), 158 states have return successors, (1727), 1654 states have call predecessors, (1727), 1727 states have call successors, (1727) [2021-11-19 14:57:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-19 14:57:26,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:57:26,998 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:57:26,998 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:57:27,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:57:27,005 INFO L85 PathProgramCache]: Analyzing trace with hash 449796564, now seen corresponding path program 1 times [2021-11-19 14:57:27,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:57:27,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245324620] [2021-11-19 14:57:27,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:57:27,049 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:57:27,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:57:27,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:57:27,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:57:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:57:45,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 9181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:57:46,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:57:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2021-11-19 14:57:49,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:57:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 1165 trivial. 0 not checked. [2021-11-19 14:57:51,233 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:57:51,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245324620] [2021-11-19 14:57:51,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245324620] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:57:51,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:57:51,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-11-19 14:57:51,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142840481] [2021-11-19 14:57:51,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:57:51,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:57:51,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:57:51,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:57:51,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:57:51,298 INFO L87 Difference]: Start difference. First operand has 6253 states, 4364 states have (on average 1.4207149404216315) internal successors, (6200), 4512 states have internal predecessors, (6200), 1732 states have call successors, (1732), 159 states have call predecessors, (1732), 158 states have return successors, (1727), 1654 states have call predecessors, (1727), 1727 states have call successors, (1727) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-19 14:57:52,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:57:52,865 INFO L93 Difference]: Finished difference Result 10533 states and 16348 transitions. [2021-11-19 14:57:52,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:57:52,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 227 [2021-11-19 14:57:52,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:57:52,960 INFO L225 Difference]: With dead ends: 10533 [2021-11-19 14:57:52,961 INFO L226 Difference]: Without dead ends: 5050 [2021-11-19 14:57:53,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:57:53,025 INFO L933 BasicCegarLoop]: 8072 mSDtfsCounter, 2 mSDsluCounter, 16120 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 24192 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:57:53,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 24192 Invalid, 51 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 14:57:53,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5050 states. [2021-11-19 14:57:53,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5050 to 5050. [2021-11-19 14:57:53,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5050 states, 3613 states have (on average 1.4209797951840575) internal successors, (5134), 3722 states have internal predecessors, (5134), 1301 states have call successors, (1301), 136 states have call predecessors, (1301), 135 states have return successors, (1300), 1241 states have call predecessors, (1300), 1300 states have call successors, (1300) [2021-11-19 14:57:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5050 states to 5050 states and 7735 transitions. [2021-11-19 14:57:53,672 INFO L78 Accepts]: Start accepts. Automaton has 5050 states and 7735 transitions. Word has length 227 [2021-11-19 14:57:53,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:57:53,679 INFO L470 AbstractCegarLoop]: Abstraction has 5050 states and 7735 transitions. [2021-11-19 14:57:53,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-19 14:57:53,681 INFO L276 IsEmpty]: Start isEmpty. Operand 5050 states and 7735 transitions. [2021-11-19 14:57:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-19 14:57:53,692 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:57:53,693 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:57:53,908 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2021-11-19 14:57:54,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2021-11-19 14:57:54,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:57:54,018 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:57:54,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:57:54,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1365087070, now seen corresponding path program 1 times [2021-11-19 14:57:54,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:57:54,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056973577] [2021-11-19 14:57:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:57:54,048 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:57:54,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:57:54,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:57:54,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:58:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:58:16,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 9251 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:58:16,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:58:19,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 243 proven. 1 refuted. 0 times theorem prover too weak. 1247 trivial. 0 not checked. [2021-11-19 14:58:19,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:58:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 12 proven. 67 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2021-11-19 14:58:21,597 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:58:21,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056973577] [2021-11-19 14:58:21,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056973577] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:58:21,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [212986585] [2021-11-19 14:58:21,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:58:21,598 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:58:21,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:58:21,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:58:21,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-11-19 14:58:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:58:26,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 9251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:58:26,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:58:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2021-11-19 14:58:27,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:58:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2021-11-19 14:58:28,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [212986585] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:58:28,993 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:58:28,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2021-11-19 14:58:28,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128285336] [2021-11-19 14:58:28,995 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:58:28,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:58:28,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:58:28,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:58:28,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:58:28,997 INFO L87 Difference]: Start difference. First operand 5050 states and 7735 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2021-11-19 14:58:30,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:58:32,793 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 14:59:38,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:59:38,416 INFO L93 Difference]: Finished difference Result 19929 states and 30553 transitions. [2021-11-19 14:59:38,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:59:38,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 241 [2021-11-19 14:59:38,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:59:38,611 INFO L225 Difference]: With dead ends: 19929 [2021-11-19 14:59:38,611 INFO L226 Difference]: Without dead ends: 14953 [2021-11-19 14:59:38,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 952 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:59:38,662 INFO L933 BasicCegarLoop]: 10265 mSDtfsCounter, 20345 mSDsluCounter, 12717 mSDsCounter, 0 mSdLazyCounter, 2608 mSolverCounterSat, 2528 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20345 SdHoareTripleChecker+Valid, 22982 SdHoareTripleChecker+Invalid, 5137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2528 IncrementalHoareTripleChecker+Valid, 2608 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:59:38,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20345 Valid, 22982 Invalid, 5137 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2528 Valid, 2608 Invalid, 1 Unknown, 0 Unchecked, 68.4s Time] [2021-11-19 14:59:38,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14953 states. [2021-11-19 14:59:39,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14953 to 14953. [2021-11-19 14:59:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14953 states, 10726 states have (on average 1.424762259929144) internal successors, (15282), 11053 states have internal predecessors, (15282), 3821 states have call successors, (3821), 406 states have call predecessors, (3821), 405 states have return successors, (3820), 3643 states have call predecessors, (3820), 3820 states have call successors, (3820) [2021-11-19 14:59:39,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14953 states to 14953 states and 22923 transitions. [2021-11-19 14:59:39,965 INFO L78 Accepts]: Start accepts. Automaton has 14953 states and 22923 transitions. Word has length 241 [2021-11-19 14:59:39,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:59:39,967 INFO L470 AbstractCegarLoop]: Abstraction has 14953 states and 22923 transitions. [2021-11-19 14:59:39,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2021-11-19 14:59:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 14953 states and 22923 transitions. [2021-11-19 14:59:39,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-19 14:59:39,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:59:39,974 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:59:40,186 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2021-11-19 14:59:40,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2021-11-19 14:59:40,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:59:40,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:59:40,471 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:59:40,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:59:40,471 INFO L85 PathProgramCache]: Analyzing trace with hash 42305980, now seen corresponding path program 1 times [2021-11-19 14:59:40,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:59:40,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1246769152] [2021-11-19 14:59:40,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:59:40,486 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:59:40,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:59:40,487 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:59:40,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:00:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:00:02,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 9264 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:00:02,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:00:04,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 243 proven. 1 refuted. 0 times theorem prover too weak. 1247 trivial. 0 not checked. [2021-11-19 15:00:04,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:00:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 12 proven. 67 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2021-11-19 15:00:07,456 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:00:07,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1246769152] [2021-11-19 15:00:07,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1246769152] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:00:07,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [832626565] [2021-11-19 15:00:07,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:00:07,457 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:00:07,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:00:07,463 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:00:07,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-11-19 15:00:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:00:12,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 9264 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:00:12,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:00:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2021-11-19 15:00:18,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:00:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2021-11-19 15:00:21,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [832626565] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:00:21,747 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 15:00:21,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2021-11-19 15:00:21,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761487123] [2021-11-19 15:00:21,747 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:00:21,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 15:00:21,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:00:21,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 15:00:21,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:00:21,749 INFO L87 Difference]: Start difference. First operand 14953 states and 22923 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-19 15:00:23,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:00:26,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:00:26,451 INFO L93 Difference]: Finished difference Result 44708 states and 68954 transitions. [2021-11-19 15:00:26,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 15:00:26,452 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 244 [2021-11-19 15:00:26,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:00:26,804 INFO L225 Difference]: With dead ends: 44708 [2021-11-19 15:00:26,804 INFO L226 Difference]: Without dead ends: 29824 [2021-11-19 15:00:26,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 974 GetRequests, 961 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-11-19 15:00:26,938 INFO L933 BasicCegarLoop]: 10094 mSDtfsCounter, 7669 mSDsluCounter, 27871 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7669 SdHoareTripleChecker+Valid, 37965 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 15:00:26,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7669 Valid, 37965 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 15:00:26,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29824 states. [2021-11-19 15:00:29,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29824 to 29812. [2021-11-19 15:00:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29812 states, 21395 states have (on average 1.4254732414115447) internal successors, (30498), 22049 states have internal predecessors, (30498), 7606 states have call successors, (7606), 811 states have call predecessors, (7606), 810 states have return successors, (7812), 7251 states have call predecessors, (7812), 7605 states have call successors, (7812) [2021-11-19 15:00:29,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29812 states to 29812 states and 45916 transitions. [2021-11-19 15:00:29,991 INFO L78 Accepts]: Start accepts. Automaton has 29812 states and 45916 transitions. Word has length 244 [2021-11-19 15:00:29,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:00:29,993 INFO L470 AbstractCegarLoop]: Abstraction has 29812 states and 45916 transitions. [2021-11-19 15:00:29,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-19 15:00:29,993 INFO L276 IsEmpty]: Start isEmpty. Operand 29812 states and 45916 transitions. [2021-11-19 15:00:30,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2021-11-19 15:00:30,194 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:00:30,196 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 14, 14, 14, 14, 8, 8, 8, 8, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:30,410 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forcibly destroying the process [2021-11-19 15:00:30,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 137 [2021-11-19 15:00:30,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2021-11-19 15:00:30,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 15:00:30,723 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:00:30,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:00:30,724 INFO L85 PathProgramCache]: Analyzing trace with hash 912135859, now seen corresponding path program 1 times [2021-11-19 15:00:30,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:00:30,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677273523] [2021-11-19 15:00:30,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:00:30,737 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:00:30,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:00:30,737 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:00:30,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 15:00:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:00:52,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 10985 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:00:52,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:01:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1983 backedges. 411 proven. 1 refuted. 0 times theorem prover too weak. 1571 trivial. 0 not checked. [2021-11-19 15:01:04,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:01:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1983 backedges. 12 proven. 67 refuted. 0 times theorem prover too weak. 1904 trivial. 0 not checked. [2021-11-19 15:01:09,243 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:01:09,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1677273523] [2021-11-19 15:01:09,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1677273523] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:01:09,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1122529769] [2021-11-19 15:01:09,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:01:09,244 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:01:09,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:01:09,245 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:01:09,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690941dd-5605-4dc2-8693-64226d54e6b5/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process