./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/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 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:00:11,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:00:11,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:00:11,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:00:11,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:00:11,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:00:11,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:00:11,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:00:11,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:00:11,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:00:11,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:00:11,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:00:11,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:00:11,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:00:11,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:00:11,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:00:11,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:00:11,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:00:11,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:00:11,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:00:11,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:00:11,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:00:11,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:00:11,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:00:11,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:00:11,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:00:11,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:00:11,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:00:11,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:00:11,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:00:11,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:00:11,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:00:11,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:00:11,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:00:11,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:00:11,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:00:11,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:00:11,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:00:11,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:00:11,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:00:11,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:00:11,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:00:11,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:00:11,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:00:11,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:00:11,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:00:11,314 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:00:11,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:00:11,314 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:00:11,315 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:00:11,315 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:00:11,317 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:00:11,318 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:00:11,318 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:00:11,318 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:00:11,319 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:00:11,319 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:00:11,319 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:00:11,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:00:11,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:00:11,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:00:11,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:00:11,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:00:11,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:00:11,321 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:00:11,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:00:11,322 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:00:11,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:00:11,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:00:11,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:00:11,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:11,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:00:11,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:00:11,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:00:11,324 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:00:11,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:00:11,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:00:11,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:00:11,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:00:11,325 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 [2021-11-19 14:00:11,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:00:11,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:00:11,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:00:11,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:00:11,632 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:00:11,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-19 14:00:11,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/data/22318efc9/66b6b67cbcf940ad8cc4a7807e73bc50/FLAG46ea4605a [2021-11-19 14:00:12,883 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:00:12,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-19 14:00:12,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/data/22318efc9/66b6b67cbcf940ad8cc4a7807e73bc50/FLAG46ea4605a [2021-11-19 14:00:13,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/data/22318efc9/66b6b67cbcf940ad8cc4a7807e73bc50 [2021-11-19 14:00:13,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:00:13,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:00:13,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:13,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:00:13,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:00:13,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:13" (1/1) ... [2021-11-19 14:00:13,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b10d613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:13, skipping insertion in model container [2021-11-19 14:00:13,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:13" (1/1) ... [2021-11-19 14:00:13,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:00:13,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:15,684 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 14:00:15,696 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 14:00:15,728 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 14:00:15,776 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 14:00:15,804 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,807 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 14:00:15,845 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 14:00:15,857 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 14:00:15,869 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 14:00:15,899 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 14:00:15,920 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 14:00:15,940 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 14:00:15,951 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 14:00:15,967 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,981 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 14:00:16,028 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 14:00:16,041 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 14:00:16,051 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 14:00:16,058 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 14:00:16,071 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 14:00:16,078 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 14:00:16,085 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:16,094 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 14:00:16,109 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 14:00:16,117 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 14:00:16,148 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 14:00:16,155 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 14:00:16,164 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 14:00:16,172 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 14:00:16,183 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 14:00:16,258 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 14:00:16,305 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 14:00:16,395 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 14:00:16,403 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 14:00:16,412 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 14:00:17,345 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 14:00:17,346 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 14:00:17,351 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 14:00:17,351 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 14:00:17,353 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 14:00:17,354 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 14:00:17,364 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 14:00:17,365 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 14:00:17,365 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 14:00:17,366 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 14:00:17,366 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 14:00:17,367 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 14:00:17,367 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 14:00:17,367 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 14:00:17,368 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 14:00:17,368 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 14:00:17,368 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 14:00:17,369 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 14:00:17,369 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 14:00:17,370 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 14:00:17,370 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 14:00:17,372 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 14:00:17,373 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 14:00:17,380 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 14:00:17,380 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 14:00:17,380 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 14:00:17,381 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 14:00:17,381 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 14:00:17,381 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 14:00:17,382 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 14:00:17,382 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 14:00:17,383 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 14:00:17,383 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 14:00:17,383 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 14:00:17,384 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 14:00:17,384 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 14:00:17,384 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 14:00:17,385 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 14:00:17,387 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 14:00:17,387 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 14:00:17,411 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 14:00:17,443 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 14:00:17,452 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 14:00:17,484 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 14:00:17,497 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 14:00:17,957 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2021-11-19 14:00:17,959 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2021-11-19 14:00:17,960 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2021-11-19 14:00:17,961 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2021-11-19 14:00:17,989 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:18,131 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 14:00:18,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e7a8e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:18, skipping insertion in model container [2021-11-19 14:00:18,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:18,132 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:00:18,135 INFO L158 Benchmark]: Toolchain (without parser) took 5021.37ms. Allocated memory was 136.3MB in the beginning and 239.1MB in the end (delta: 102.8MB). Free memory was 99.1MB in the beginning and 165.5MB in the end (delta: -66.5MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2021-11-19 14:00:18,136 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 52.7MB in the beginning and 52.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:00:18,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5018.46ms. Allocated memory was 136.3MB in the beginning and 239.1MB in the end (delta: 102.8MB). Free memory was 99.1MB in the beginning and 165.5MB in the end (delta: -66.5MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2021-11-19 14:00:18,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 52.7MB in the beginning and 52.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5018.46ms. Allocated memory was 136.3MB in the beginning and 239.1MB in the end (delta: 102.8MB). Free memory was 99.1MB in the beginning and 165.5MB in the end (delta: -66.5MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8449]: 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/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 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:00:20,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:00:20,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:00:20,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:00:20,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:00:20,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:00:20,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:00:20,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:00:20,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:00:20,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:00:20,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:00:20,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:00:20,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:00:20,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:00:20,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:00:20,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:00:20,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:00:20,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:00:20,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:00:20,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:00:20,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:00:20,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:00:20,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:00:20,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:00:20,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:00:20,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:00:20,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:00:20,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:00:20,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:00:20,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:00:20,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:00:20,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:00:20,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:00:20,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:00:20,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:00:20,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:00:20,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:00:20,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:00:20,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:00:20,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:00:20,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:00:20,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:00:20,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:00:20,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:00:20,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:00:20,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:00:20,716 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:00:20,716 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:00:20,716 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:00:20,717 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:00:20,717 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:00:20,717 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:00:20,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:00:20,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:00:20,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:00:20,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:00:20,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:00:20,720 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:00:20,721 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:00:20,721 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:00:20,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:00:20,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:00:20,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:00:20,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:00:20,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:00:20,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:00:20,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:20,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:00:20,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:00:20,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:00:20,723 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:00:20,723 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:00:20,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:00:20,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:00:20,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:00:20,724 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 [2021-11-19 14:00:21,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:00:21,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:00:21,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:00:21,175 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:00:21,176 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:00:21,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-19 14:00:21,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/data/ce2680e37/2a7011c79bbc4d34acde1bfe4d1bcd54/FLAG9794d1f61 [2021-11-19 14:00:22,484 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:00:22,485 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-19 14:00:22,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/data/ce2680e37/2a7011c79bbc4d34acde1bfe4d1bcd54/FLAG9794d1f61 [2021-11-19 14:00:22,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/data/ce2680e37/2a7011c79bbc4d34acde1bfe4d1bcd54 [2021-11-19 14:00:22,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:00:22,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:00:22,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:22,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:00:22,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:00:22,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:22,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394f7095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:22, skipping insertion in model container [2021-11-19 14:00:22,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:22" (1/1) ... [2021-11-19 14:00:22,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:00:22,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:27,737 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2021-11-19 14:00:27,740 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2021-11-19 14:00:27,740 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2021-11-19 14:00:27,741 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2021-11-19 14:00:27,772 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:27,941 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:00:28,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:28,639 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2021-11-19 14:00:28,640 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2021-11-19 14:00:28,640 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2021-11-19 14:00:28,641 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2021-11-19 14:00:28,652 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:28,753 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:00:29,723 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2021-11-19 14:00:29,724 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2021-11-19 14:00:29,725 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2021-11-19 14:00:29,725 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_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2021-11-19 14:00:29,733 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:29,999 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:00:29,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29 WrapperNode [2021-11-19 14:00:30,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:30,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:30,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:00:30,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:00:30,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29" (1/1) ... [2021-11-19 14:00:30,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29" (1/1) ... [2021-11-19 14:00:30,626 INFO L137 Inliner]: procedures = 501, calls = 4091, calls flagged for inlining = 274, calls inlined = 263, statements flattened = 8294 [2021-11-19 14:00:30,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:30,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:00:30,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:00:30,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:00:30,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29" (1/1) ... [2021-11-19 14:00:30,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29" (1/1) ... [2021-11-19 14:00:30,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29" (1/1) ... [2021-11-19 14:00:30,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29" (1/1) ... [2021-11-19 14:00:30,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29" (1/1) ... [2021-11-19 14:00:30,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29" (1/1) ... [2021-11-19 14:00:31,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29" (1/1) ... [2021-11-19 14:00:31,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:00:31,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:00:31,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:00:31,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:00:31,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29" (1/1) ... [2021-11-19 14:00:31,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:31,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:31,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:00:31,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:00:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-11-19 14:00:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-11-19 14:00:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:00:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:00:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2021-11-19 14:00:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2021-11-19 14:00:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2021-11-19 14:00:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2021-11-19 14:00:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-11-19 14:00:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-11-19 14:00:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:00:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:00:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2021-11-19 14:00:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2021-11-19 14:00:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-11-19 14:00:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-11-19 14:00:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-11-19 14:00:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-11-19 14:00:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 14:00:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 14:00:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2021-11-19 14:00:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2021-11-19 14:00:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2021-11-19 14:00:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2021-11-19 14:00:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2021-11-19 14:00:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2021-11-19 14:00:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2021-11-19 14:00:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2021-11-19 14:00:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2021-11-19 14:00:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2021-11-19 14:00:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 14:00:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 14:00:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2021-11-19 14:00:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2021-11-19 14:00:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2021-11-19 14:00:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2021-11-19 14:00:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-11-19 14:00:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-11-19 14:00:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:00:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:00:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2021-11-19 14:00:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2021-11-19 14:00:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2021-11-19 14:00:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2021-11-19 14:00:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2021-11-19 14:00:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2021-11-19 14:00:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2021-11-19 14:00:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2021-11-19 14:00:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:00:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:00:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:00:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:00:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:00:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:00:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-11-19 14:00:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-11-19 14:00:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-19 14:00:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-19 14:00:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:00:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:00:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-11-19 14:00:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-11-19 14:00:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2021-11-19 14:00:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2021-11-19 14:00:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-11-19 14:00:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-11-19 14:00:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:00:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:00:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:00:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:00:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2021-11-19 14:00:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2021-11-19 14:00:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-19 14:00:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-19 14:00:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-11-19 14:00:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-11-19 14:00:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:00:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2021-11-19 14:00:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2021-11-19 14:00:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:00:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:00:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2021-11-19 14:00:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2021-11-19 14:00:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:00:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:00:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 14:00:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 14:00:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2021-11-19 14:00:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:00:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:00:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-11-19 14:00:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-11-19 14:00:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-11-19 14:00:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-11-19 14:00:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:00:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:00:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2021-11-19 14:00:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2021-11-19 14:00:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2021-11-19 14:00:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2021-11-19 14:00:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2021-11-19 14:00:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2021-11-19 14:00:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:00:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:00:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-19 14:00:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-19 14:00:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2021-11-19 14:00:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2021-11-19 14:00:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:00:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:00:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2021-11-19 14:00:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2021-11-19 14:00:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:00:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:00:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2021-11-19 14:00:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2021-11-19 14:00:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2021-11-19 14:00:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2021-11-19 14:00:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 14:00:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 14:00:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2021-11-19 14:00:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2021-11-19 14:00:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:00:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:00:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2021-11-19 14:00:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2021-11-19 14:00:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-11-19 14:00:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-11-19 14:00:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 14:00:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 14:00:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-11-19 14:00:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-11-19 14:00:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:00:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:00:31,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:00:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:00:31,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:00:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 14:00:31,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 14:00:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 14:00:31,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 14:00:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2021-11-19 14:00:31,220 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2021-11-19 14:00:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:00:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:00:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:00:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:00:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2021-11-19 14:00:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2021-11-19 14:00:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:00:31,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:00:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2021-11-19 14:00:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2021-11-19 14:00:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-11-19 14:00:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-11-19 14:00:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2021-11-19 14:00:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2021-11-19 14:00:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 14:00:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 14:00:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2021-11-19 14:00:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2021-11-19 14:00:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-11-19 14:00:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-11-19 14:00:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2021-11-19 14:00:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2021-11-19 14:00:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2021-11-19 14:00:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2021-11-19 14:00:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-11-19 14:00:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-11-19 14:00:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2021-11-19 14:00:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2021-11-19 14:00:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2021-11-19 14:00:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2021-11-19 14:00:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2021-11-19 14:00:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2021-11-19 14:00:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2021-11-19 14:00:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2021-11-19 14:00:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-19 14:00:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-19 14:00:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 14:00:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 14:00:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-11-19 14:00:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-11-19 14:00:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:00:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:00:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2021-11-19 14:00:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2021-11-19 14:00:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 14:00:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 14:00:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:00:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 14:00:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 14:00:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:00:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:00:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:00:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:00:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2021-11-19 14:00:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2021-11-19 14:00:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2021-11-19 14:00:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2021-11-19 14:00:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2021-11-19 14:00:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2021-11-19 14:00:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2021-11-19 14:00:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2021-11-19 14:00:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-11-19 14:00:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-11-19 14:00:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:00:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:00:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2021-11-19 14:00:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2021-11-19 14:00:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2021-11-19 14:00:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2021-11-19 14:00:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2021-11-19 14:00:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2021-11-19 14:00:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2021-11-19 14:00:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2021-11-19 14:00:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2021-11-19 14:00:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2021-11-19 14:00:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2021-11-19 14:00:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2021-11-19 14:00:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-19 14:00:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-19 14:00:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 14:00:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 14:00:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:00:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:00:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:00:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:00:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2021-11-19 14:00:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2021-11-19 14:00:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2021-11-19 14:00:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2021-11-19 14:00:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:00:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:00:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2021-11-19 14:00:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2021-11-19 14:00:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2021-11-19 14:00:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2021-11-19 14:00:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:00:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:00:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:00:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-11-19 14:00:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-11-19 14:00:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:00:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:00:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2021-11-19 14:00:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2021-11-19 14:00:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 14:00:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 14:00:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:00:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:00:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 14:00:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 14:00:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:00:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:00:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-11-19 14:00:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-11-19 14:00:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 14:00:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 14:00:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-11-19 14:00:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-11-19 14:00:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:00:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:00:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-11-19 14:00:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-11-19 14:00:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2021-11-19 14:00:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2021-11-19 14:00:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2021-11-19 14:00:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2021-11-19 14:00:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:00:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:00:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:00:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:00:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:00:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:00:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:00:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:00:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:00:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:00:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:00:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-11-19 14:00:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-11-19 14:00:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 14:00:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 14:00:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2021-11-19 14:00:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2021-11-19 14:00:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:00:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:00:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 14:00:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 14:00:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2021-11-19 14:00:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2021-11-19 14:00:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2021-11-19 14:00:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2021-11-19 14:00:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2021-11-19 14:00:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2021-11-19 14:00:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:00:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:00:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:00:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:00:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:00:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:00:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2021-11-19 14:00:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2021-11-19 14:00:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 14:00:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 14:00:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2021-11-19 14:00:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2021-11-19 14:00:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 14:00:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 14:00:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2021-11-19 14:00:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2021-11-19 14:00:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 14:00:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 14:00:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2021-11-19 14:00:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2021-11-19 14:00:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:00:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:00:32,789 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:00:32,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:00:33,924 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:02:17,477 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:02:17,620 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:02:17,655 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:02:17,655 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 14:02:17,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:02:17 BoogieIcfgContainer [2021-11-19 14:02:17,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:02:17,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:02:17,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:02:17,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:02:17,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:00:22" (1/3) ... [2021-11-19 14:02:17,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f12aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:02:17, skipping insertion in model container [2021-11-19 14:02:17,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:29" (2/3) ... [2021-11-19 14:02:17,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f12aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:02:17, skipping insertion in model container [2021-11-19 14:02:17,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:02:17" (3/3) ... [2021-11-19 14:02:17,669 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2021-11-19 14:02:17,675 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:02:17,676 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 14:02:17,743 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:02:17,749 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 14:02:17,749 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 14:02:17,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 2878 states, 1974 states have (on average 1.2619047619047619) internal successors, (2491), 1989 states have internal predecessors, (2491), 755 states have call successors, (755), 147 states have call predecessors, (755), 146 states have return successors, (748), 747 states have call predecessors, (748), 748 states have call successors, (748) [2021-11-19 14:02:17,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2021-11-19 14:02:17,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:17,919 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:17,920 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:02:17,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:17,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1595131890, now seen corresponding path program 1 times [2021-11-19 14:02:17,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:02:17,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158202104] [2021-11-19 14:02:17,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:17,963 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:02:17,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:02:17,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:02:17,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:02:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:29,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 6321 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:02:29,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-19 14:02:30,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:02:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-19 14:02:31,807 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:02:31,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158202104] [2021-11-19 14:02:31,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158202104] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:31,808 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:31,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:02:31,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277590947] [2021-11-19 14:02:31,812 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:31,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:02:31,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:02:31,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:02:31,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:31,859 INFO L87 Difference]: Start difference. First operand has 2878 states, 1974 states have (on average 1.2619047619047619) internal successors, (2491), 1989 states have internal predecessors, (2491), 755 states have call successors, (755), 147 states have call predecessors, (755), 146 states have return successors, (748), 747 states have call predecessors, (748), 748 states have call successors, (748) Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2021-11-19 14:02:33,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:02:35,368 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 14:02:49,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:49,877 INFO L93 Difference]: Finished difference Result 11003 states and 15550 transitions. [2021-11-19 14:02:49,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:02:49,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 571 [2021-11-19 14:02:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:49,972 INFO L225 Difference]: With dead ends: 11003 [2021-11-19 14:02:49,972 INFO L226 Difference]: Without dead ends: 8197 [2021-11-19 14:02:50,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1140 GetRequests, 1138 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:50,003 INFO L933 BasicCegarLoop]: 5338 mSDtfsCounter, 9936 mSDsluCounter, 6119 mSDsCounter, 0 mSdLazyCounter, 1555 mSolverCounterSat, 1382 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9936 SdHoareTripleChecker+Valid, 11457 SdHoareTripleChecker+Invalid, 2938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1382 IncrementalHoareTripleChecker+Valid, 1555 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:50,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9936 Valid, 11457 Invalid, 2938 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1382 Valid, 1555 Invalid, 1 Unknown, 0 Unchecked, 17.1s Time] [2021-11-19 14:02:50,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8197 states. [2021-11-19 14:02:50,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8197 to 8177. [2021-11-19 14:02:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8177 states, 5657 states have (on average 1.2603853632667492) internal successors, (7130), 5698 states have internal predecessors, (7130), 2086 states have call successors, (2086), 432 states have call predecessors, (2086), 431 states have return successors, (2082), 2079 states have call predecessors, (2082), 2082 states have call successors, (2082) [2021-11-19 14:02:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8177 states to 8177 states and 11298 transitions. [2021-11-19 14:02:50,618 INFO L78 Accepts]: Start accepts. Automaton has 8177 states and 11298 transitions. Word has length 571 [2021-11-19 14:02:50,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:50,628 INFO L470 AbstractCegarLoop]: Abstraction has 8177 states and 11298 transitions. [2021-11-19 14:02:50,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2021-11-19 14:02:50,629 INFO L276 IsEmpty]: Start isEmpty. Operand 8177 states and 11298 transitions. [2021-11-19 14:02:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2021-11-19 14:02:50,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:50,657 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:50,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:02:50,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:02:50,877 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:02:50,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:50,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1199863382, now seen corresponding path program 1 times [2021-11-19 14:02:50,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:02:50,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331824405] [2021-11-19 14:02:50,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:50,888 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:02:50,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:02:50,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:02:50,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:03:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:01,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 6395 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:03:01,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-19 14:03:02,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-19 14:03:03,799 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:03,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331824405] [2021-11-19 14:03:03,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331824405] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:03,799 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:03,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:03:03,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339997369] [2021-11-19 14:03:03,800 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:03,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:03:03,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:03,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:03:03,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:03,804 INFO L87 Difference]: Start difference. First operand 8177 states and 11298 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 14:03:07,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:17,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:17,944 INFO L93 Difference]: Finished difference Result 25720 states and 35384 transitions. [2021-11-19 14:03:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:17,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) Word has length 586 [2021-11-19 14:03:17,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:18,130 INFO L225 Difference]: With dead ends: 25720 [2021-11-19 14:03:18,130 INFO L226 Difference]: Without dead ends: 17646 [2021-11-19 14:03:18,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1170 GetRequests, 1168 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:18,182 INFO L933 BasicCegarLoop]: 5108 mSDtfsCounter, 7102 mSDsluCounter, 6584 mSDsCounter, 0 mSdLazyCounter, 1597 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7102 SdHoareTripleChecker+Valid, 11692 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1597 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:18,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7102 Valid, 11692 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1597 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2021-11-19 14:03:18,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17646 states. [2021-11-19 14:03:19,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17646 to 17604. [2021-11-19 14:03:19,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17604 states, 12219 states have (on average 1.2613143465095342) internal successors, (15412), 12318 states have internal predecessors, (15412), 4376 states have call successors, (4376), 1007 states have call predecessors, (4376), 1006 states have return successors, (4372), 4355 states have call predecessors, (4372), 4372 states have call successors, (4372) [2021-11-19 14:03:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17604 states to 17604 states and 24160 transitions. [2021-11-19 14:03:19,217 INFO L78 Accepts]: Start accepts. Automaton has 17604 states and 24160 transitions. Word has length 586 [2021-11-19 14:03:19,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:19,219 INFO L470 AbstractCegarLoop]: Abstraction has 17604 states and 24160 transitions. [2021-11-19 14:03:19,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 14:03:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 17604 states and 24160 transitions. [2021-11-19 14:03:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2021-11-19 14:03:19,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:19,243 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:03:19,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-19 14:03:19,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:19,459 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:03:19,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:19,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1876660779, now seen corresponding path program 1 times [2021-11-19 14:03:19,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:19,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698848797] [2021-11-19 14:03:19,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:19,466 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:19,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:19,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:19,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:03:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:29,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 6394 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:03:29,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-19 14:03:31,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:32,367 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-19 14:03:32,367 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:32,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698848797] [2021-11-19 14:03:32,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698848797] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:32,368 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:32,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:03:32,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576192197] [2021-11-19 14:03:32,369 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:32,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:03:32,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:32,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:03:32,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:32,372 INFO L87 Difference]: Start difference. First operand 17604 states and 24160 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 14:03:33,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:35,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:49,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:49,830 INFO L93 Difference]: Finished difference Result 58046 states and 79594 transitions. [2021-11-19 14:03:49,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:49,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) Word has length 585 [2021-11-19 14:03:49,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:50,121 INFO L225 Difference]: With dead ends: 58046 [2021-11-19 14:03:50,121 INFO L226 Difference]: Without dead ends: 40545 [2021-11-19 14:03:50,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1168 GetRequests, 1166 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:50,238 INFO L933 BasicCegarLoop]: 5973 mSDtfsCounter, 8795 mSDsluCounter, 5751 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 1119 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8795 SdHoareTripleChecker+Valid, 11724 SdHoareTripleChecker+Invalid, 2812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1119 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:50,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8795 Valid, 11724 Invalid, 2812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1119 Valid, 1692 Invalid, 1 Unknown, 0 Unchecked, 16.1s Time] [2021-11-19 14:03:50,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40545 states. [2021-11-19 14:03:52,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40545 to 40499. [2021-11-19 14:03:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40499 states, 27959 states have (on average 1.2570549733538396) internal successors, (35146), 28232 states have internal predecessors, (35146), 10159 states have call successors, (10159), 2379 states have call predecessors, (10159), 2378 states have return successors, (10155), 10096 states have call predecessors, (10155), 10155 states have call successors, (10155) [2021-11-19 14:03:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40499 states to 40499 states and 55460 transitions. [2021-11-19 14:03:53,236 INFO L78 Accepts]: Start accepts. Automaton has 40499 states and 55460 transitions. Word has length 585 [2021-11-19 14:03:53,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:53,249 INFO L470 AbstractCegarLoop]: Abstraction has 40499 states and 55460 transitions. [2021-11-19 14:03:53,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 14:03:53,249 INFO L276 IsEmpty]: Start isEmpty. Operand 40499 states and 55460 transitions. [2021-11-19 14:03:53,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2021-11-19 14:03:53,260 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:53,261 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:03:53,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:53,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:53,477 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:03:53,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:53,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1918252416, now seen corresponding path program 1 times [2021-11-19 14:03:53,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:53,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789150964] [2021-11-19 14:03:53,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:53,489 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:53,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:53,490 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:53,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:04:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:04,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 6425 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:04,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-19 14:04:05,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-19 14:04:07,105 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:07,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789150964] [2021-11-19 14:04:07,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789150964] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:07,105 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:07,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:04:07,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466753770] [2021-11-19 14:04:07,106 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:07,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:04:07,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:07,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:04:07,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:04:07,109 INFO L87 Difference]: Start difference. First operand 40499 states and 55460 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 14:04:11,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:22,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:22,949 INFO L93 Difference]: Finished difference Result 141170 states and 193444 transitions. [2021-11-19 14:04:22,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:04:22,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) Word has length 591 [2021-11-19 14:04:22,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:23,830 INFO L225 Difference]: With dead ends: 141170 [2021-11-19 14:04:23,830 INFO L226 Difference]: Without dead ends: 100774 [2021-11-19 14:04:24,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1180 GetRequests, 1178 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:04:24,147 INFO L933 BasicCegarLoop]: 7218 mSDtfsCounter, 7252 mSDsluCounter, 7153 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7252 SdHoareTripleChecker+Valid, 14371 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:24,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7252 Valid, 14371 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1479 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2021-11-19 14:04:24,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100774 states. [2021-11-19 14:04:30,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100774 to 100704. [2021-11-19 14:04:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100704 states, 70175 states have (on average 1.2642394014962592) internal successors, (88718), 70861 states have internal predecessors, (88718), 24513 states have call successors, (24513), 6032 states have call predecessors, (24513), 6013 states have return successors, (24509), 24309 states have call predecessors, (24509), 24509 states have call successors, (24509) [2021-11-19 14:04:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100704 states to 100704 states and 137740 transitions. [2021-11-19 14:04:31,176 INFO L78 Accepts]: Start accepts. Automaton has 100704 states and 137740 transitions. Word has length 591 [2021-11-19 14:04:31,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:31,178 INFO L470 AbstractCegarLoop]: Abstraction has 100704 states and 137740 transitions. [2021-11-19 14:04:31,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 14:04:31,178 INFO L276 IsEmpty]: Start isEmpty. Operand 100704 states and 137740 transitions. [2021-11-19 14:04:31,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2021-11-19 14:04:31,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:31,197 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 49, 49, 49, 49, 49, 49, 4, 4, 4, 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] [2021-11-19 14:04:31,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:31,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:31,424 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:04:31,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:31,425 INFO L85 PathProgramCache]: Analyzing trace with hash -745047224, now seen corresponding path program 1 times [2021-11-19 14:04:31,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:31,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805854316] [2021-11-19 14:04:31,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:31,435 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:31,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:31,436 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:31,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:04:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:42,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 6450 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:04:42,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 11228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11228 trivial. 0 not checked. [2021-11-19 14:04:48,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:51,428 INFO L134 CoverageAnalysis]: Checked inductivity of 11228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11228 trivial. 0 not checked. [2021-11-19 14:04:51,428 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:51,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805854316] [2021-11-19 14:04:51,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805854316] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:51,429 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:51,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 14:04:51,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136525669] [2021-11-19 14:04:51,430 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:51,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:04:51,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:51,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:04:51,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:04:51,434 INFO L87 Difference]: Start difference. First operand 100704 states and 137740 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (119), 4 states have call predecessors, (119), 2 states have return successors, (116), 2 states have call predecessors, (116), 2 states have call successors, (116) [2021-11-19 14:04:53,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:57,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:57,430 INFO L93 Difference]: Finished difference Result 100710 states and 137745 transitions. [2021-11-19 14:04:57,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:04:57,431 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (119), 4 states have call predecessors, (119), 2 states have return successors, (116), 2 states have call predecessors, (116), 2 states have call successors, (116) Word has length 631 [2021-11-19 14:04:57,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:58,111 INFO L225 Difference]: With dead ends: 100710 [2021-11-19 14:04:58,111 INFO L226 Difference]: Without dead ends: 100708 [2021-11-19 14:04:58,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1263 GetRequests, 1255 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:04:58,157 INFO L933 BasicCegarLoop]: 3948 mSDtfsCounter, 3745 mSDsluCounter, 11833 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 15781 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:58,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3750 Valid, 15781 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 14:04:58,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100708 states. [2021-11-19 14:05:02,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100708 to 100708. [2021-11-19 14:05:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100708 states, 70178 states have (on average 1.264228105674143) internal successors, (88721), 70864 states have internal predecessors, (88721), 24513 states have call successors, (24513), 6033 states have call predecessors, (24513), 6014 states have return successors, (24509), 24309 states have call predecessors, (24509), 24509 states have call successors, (24509) [2021-11-19 14:05:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100708 states to 100708 states and 137743 transitions. [2021-11-19 14:05:03,454 INFO L78 Accepts]: Start accepts. Automaton has 100708 states and 137743 transitions. Word has length 631 [2021-11-19 14:05:03,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:03,455 INFO L470 AbstractCegarLoop]: Abstraction has 100708 states and 137743 transitions. [2021-11-19 14:05:03,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (119), 4 states have call predecessors, (119), 2 states have return successors, (116), 2 states have call predecessors, (116), 2 states have call successors, (116) [2021-11-19 14:05:03,456 INFO L276 IsEmpty]: Start isEmpty. Operand 100708 states and 137743 transitions. [2021-11-19 14:05:03,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2021-11-19 14:05:03,476 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:03,477 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 49, 49, 49, 49, 49, 49, 4, 4, 4, 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] [2021-11-19 14:05:03,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-19 14:05:03,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:03,692 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:05:03,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:03,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1794863677, now seen corresponding path program 1 times [2021-11-19 14:05:03,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:03,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078612436] [2021-11-19 14:05:03,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:03,699 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:03,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:03,700 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:03,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:05:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:13,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 6457 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:05:13,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:19,683 INFO L134 CoverageAnalysis]: Checked inductivity of 11230 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11228 trivial. 0 not checked. [2021-11-19 14:05:19,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:22,444 INFO L134 CoverageAnalysis]: Checked inductivity of 11230 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11228 trivial. 0 not checked. [2021-11-19 14:05:22,444 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:22,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078612436] [2021-11-19 14:05:22,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078612436] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:05:22,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:05:22,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 14:05:22,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762779095] [2021-11-19 14:05:22,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:22,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:05:22,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:22,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:05:22,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:05:22,449 INFO L87 Difference]: Start difference. First operand 100708 states and 137743 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-11-19 14:05:23,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:27,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:27,387 INFO L93 Difference]: Finished difference Result 100714 states and 137748 transitions. [2021-11-19 14:05:27,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:05:27,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 636 [2021-11-19 14:05:27,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:28,123 INFO L225 Difference]: With dead ends: 100714 [2021-11-19 14:05:28,123 INFO L226 Difference]: Without dead ends: 100712 [2021-11-19 14:05:28,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1273 GetRequests, 1265 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:05:28,163 INFO L933 BasicCegarLoop]: 3951 mSDtfsCounter, 3810 mSDsluCounter, 7889 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3814 SdHoareTripleChecker+Valid, 11840 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:28,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3814 Valid, 11840 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 14:05:28,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100712 states. [2021-11-19 14:05:32,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100712 to 100712. [2021-11-19 14:05:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100712 states, 70181 states have (on average 1.2642168108177427) internal successors, (88724), 70867 states have internal predecessors, (88724), 24513 states have call successors, (24513), 6034 states have call predecessors, (24513), 6015 states have return successors, (24509), 24309 states have call predecessors, (24509), 24509 states have call successors, (24509) [2021-11-19 14:05:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100712 states to 100712 states and 137746 transitions. [2021-11-19 14:05:33,136 INFO L78 Accepts]: Start accepts. Automaton has 100712 states and 137746 transitions. Word has length 636 [2021-11-19 14:05:33,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:33,140 INFO L470 AbstractCegarLoop]: Abstraction has 100712 states and 137746 transitions. [2021-11-19 14:05:33,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-11-19 14:05:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 100712 states and 137746 transitions. [2021-11-19 14:05:33,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2021-11-19 14:05:33,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:33,160 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 49, 49, 49, 49, 49, 49, 4, 4, 4, 3, 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] [2021-11-19 14:05:33,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:33,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:33,384 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:05:33,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:33,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1674683432, now seen corresponding path program 1 times [2021-11-19 14:05:33,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:33,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783891218] [2021-11-19 14:05:33,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:33,392 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:33,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:33,393 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:33,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:05:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:43,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 6464 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:05:43,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 11236 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11232 trivial. 0 not checked. [2021-11-19 14:05:49,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 11236 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11232 trivial. 0 not checked. [2021-11-19 14:05:51,732 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:51,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783891218] [2021-11-19 14:05:51,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783891218] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:05:51,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:05:51,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 14:05:51,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443050508] [2021-11-19 14:05:51,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:51,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:05:51,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:51,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:05:51,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:05:51,735 INFO L87 Difference]: Start difference. First operand 100712 states and 137746 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-19 14:05:53,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:58,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:58,037 INFO L93 Difference]: Finished difference Result 129552 states and 175193 transitions. [2021-11-19 14:05:58,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:05:58,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 641 [2021-11-19 14:05:58,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:58,510 INFO L225 Difference]: With dead ends: 129552 [2021-11-19 14:05:58,511 INFO L226 Difference]: Without dead ends: 129550 [2021-11-19 14:05:58,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1283 GetRequests, 1275 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:05:58,552 INFO L933 BasicCegarLoop]: 4214 mSDtfsCounter, 3440 mSDsluCounter, 9861 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3443 SdHoareTripleChecker+Valid, 14075 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:58,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3443 Valid, 14075 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 14:05:58,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129550 states. [2021-11-19 14:06:04,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129550 to 128830. [2021-11-19 14:06:04,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128830 states, 89340 states have (on average 1.2555070517125588) internal successors, (112167), 90292 states have internal predecessors, (112167), 30969 states have call successors, (30969), 8649 states have call predecessors, (30969), 8518 states have return successors, (31161), 30387 states have call predecessors, (31161), 30965 states have call successors, (31161) [2021-11-19 14:06:05,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128830 states to 128830 states and 174297 transitions. [2021-11-19 14:06:05,135 INFO L78 Accepts]: Start accepts. Automaton has 128830 states and 174297 transitions. Word has length 641 [2021-11-19 14:06:05,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:05,136 INFO L470 AbstractCegarLoop]: Abstraction has 128830 states and 174297 transitions. [2021-11-19 14:06:05,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-19 14:06:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand 128830 states and 174297 transitions. [2021-11-19 14:06:05,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2021-11-19 14:06:05,157 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:05,158 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 49, 49, 49, 49, 49, 49, 5, 5, 5, 4, 3, 3, 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] [2021-11-19 14:06:05,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:06:05,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:05,384 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:06:05,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:05,385 INFO L85 PathProgramCache]: Analyzing trace with hash -486966841, now seen corresponding path program 1 times [2021-11-19 14:06:05,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:05,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32439976] [2021-11-19 14:06:05,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:05,395 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:05,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:05,397 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:05,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94859e9-f849-44ea-a4f1-3cf3fb7bc6a7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process