./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF --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 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:26:45,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:26:45,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:26:45,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:26:45,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:26:45,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:26:45,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:26:45,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:26:45,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:26:45,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:26:45,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:26:45,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:26:45,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:26:45,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:26:45,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:26:45,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:26:45,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:26:45,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:26:45,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:26:45,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:26:45,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:26:45,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:26:45,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:26:45,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:26:45,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:26:45,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:26:45,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:26:45,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:26:45,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:26:45,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:26:45,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:26:45,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:26:45,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:26:45,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:26:45,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:26:45,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:26:45,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:26:45,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:26:45,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:26:45,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:26:45,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:26:45,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:26:45,461 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:26:45,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:26:45,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:26:45,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:26:45,463 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:26:45,463 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:26:45,463 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:26:45,464 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:26:45,464 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:26:45,464 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:26:45,464 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:26:45,465 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:26:45,465 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:26:45,465 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:26:45,465 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:26:45,466 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:26:45,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:26:45,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:26:45,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:26:45,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:26:45,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:26:45,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:26:45,468 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:26:45,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:26:45,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:26:45,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:26:45,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:26:45,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:26:45,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:26:45,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:26:45,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:26:45,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:26:45,470 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:26:45,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:26:45,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:26:45,471 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:26:45,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:26:45,472 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_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 [2021-11-12 22:26:45,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:26:45,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:26:45,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:26:45,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:26:45,794 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:26:45,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-12 22:26:45,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/data/94420b3d5/fd16a6141e0d4523baf5a9a17620a740/FLAGa75cf2da3 [2021-11-12 22:26:46,953 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:26:46,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-12 22:26:47,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/data/94420b3d5/fd16a6141e0d4523baf5a9a17620a740/FLAGa75cf2da3 [2021-11-12 22:26:47,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/data/94420b3d5/fd16a6141e0d4523baf5a9a17620a740 [2021-11-12 22:26:47,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:26:47,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:26:47,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:26:47,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:26:47,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:26:47,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:26:47" (1/1) ... [2021-11-12 22:26:47,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f0b96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:26:47, skipping insertion in model container [2021-11-12 22:26:47,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:26:47" (1/1) ... [2021-11-12 22:26:47,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:26:47,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:26:49,713 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,725 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,748 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,775 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,794 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,797 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,820 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,843 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,856 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,881 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,909 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,936 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,949 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,969 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:49,987 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,076 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,084 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,092 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,099 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,125 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,132 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,139 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,147 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,158 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,166 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,184 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,191 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,199 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,206 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,216 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,248 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,282 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,311 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,320 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:50,328 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,242 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,243 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,248 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,248 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,250 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,250 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,261 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,261 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,261 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,262 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,262 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,262 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,263 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,263 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,263 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,264 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,264 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,264 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,265 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,265 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,266 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,267 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,268 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,275 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,275 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,276 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,276 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,276 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,277 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,277 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,277 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,277 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,278 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,278 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,278 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,279 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,279 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,280 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,281 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,282 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,316 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,350 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,360 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,424 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:51,438 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:26:52,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2021-11-12 22:26:52,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2021-11-12 22:26:52,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:26:52,393 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) [2021-11-12 22:26:52,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33770b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:26:52, skipping insertion in model container [2021-11-12 22:26:52,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:26:52,402 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:26:52,405 INFO L158 Benchmark]: Toolchain (without parser) took 5204.21ms. Allocated memory was 100.7MB in the beginning and 207.6MB in the end (delta: 107.0MB). Free memory was 65.2MB in the beginning and 113.4MB in the end (delta: -48.2MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2021-11-12 22:26:52,407 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 57.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:26:52,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5200.06ms. Allocated memory was 100.7MB in the beginning and 207.6MB in the end (delta: 107.0MB). Free memory was 64.8MB in the beginning and 113.4MB in the end (delta: -48.6MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2021-11-12 22:26:52,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 57.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5200.06ms. Allocated memory was 100.7MB in the beginning and 207.6MB in the end (delta: 107.0MB). Free memory was 64.8MB in the beginning and 113.4MB in the end (delta: -48.6MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8441]: 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_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF --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 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:26:54,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:26:54,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:26:54,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:26:54,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:26:54,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:26:54,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:26:54,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:26:54,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:26:54,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:26:54,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:26:54,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:26:54,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:26:54,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:26:54,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:26:54,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:26:54,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:26:54,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:26:54,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:26:54,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:26:54,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:26:54,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:26:54,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:26:54,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:26:54,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:26:54,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:26:54,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:26:54,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:26:54,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:26:54,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:26:54,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:26:54,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:26:54,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:26:54,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:26:54,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:26:54,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:26:54,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:26:54,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:26:54,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:26:54,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:26:54,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:26:54,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:26:54,892 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:26:54,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:26:54,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:26:54,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:26:54,894 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:26:54,894 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:26:54,895 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:26:54,895 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:26:54,895 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:26:54,895 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:26:54,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:26:54,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:26:54,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:26:54,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:26:54,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:26:54,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:26:54,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:26:54,899 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:26:54,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:26:54,900 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:26:54,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:26:54,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:26:54,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:26:54,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:26:54,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:26:54,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:26:54,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:26:54,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:26:54,901 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:26:54,902 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:26:54,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:26:54,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:26:54,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:26:54,902 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_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 [2021-11-12 22:26:55,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:26:55,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:26:55,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:26:55,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:26:55,316 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:26:55,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-12 22:26:55,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/data/3616cd7ca/f9b34ae13df342d69a4b31277487b471/FLAGcbaae4c4c [2021-11-12 22:26:56,560 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:26:56,561 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-12 22:26:56,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/data/3616cd7ca/f9b34ae13df342d69a4b31277487b471/FLAGcbaae4c4c [2021-11-12 22:26:56,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/data/3616cd7ca/f9b34ae13df342d69a4b31277487b471 [2021-11-12 22:26:56,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:26:56,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:26:56,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:26:56,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:26:56,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:26:56,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:26:56" (1/1) ... [2021-11-12 22:26:56,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2676306b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:26:56, skipping insertion in model container [2021-11-12 22:26:56,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:26:56" (1/1) ... [2021-11-12 22:26:56,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:26:57,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:27:01,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2021-11-12 22:27:01,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2021-11-12 22:27:01,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:27:01,986 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:27:02,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:27:02,519 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2021-11-12 22:27:02,519 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2021-11-12 22:27:02,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:27:02,639 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:27:03,527 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2021-11-12 22:27:03,528 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2021-11-12 22:27:03,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:27:03,797 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:27:03,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03 WrapperNode [2021-11-12 22:27:03,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:27:03,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:27:03,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:27:03,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:27:03,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03" (1/1) ... [2021-11-12 22:27:03,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03" (1/1) ... [2021-11-12 22:27:04,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:27:04,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:27:04,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:27:04,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:27:04,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03" (1/1) ... [2021-11-12 22:27:04,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03" (1/1) ... [2021-11-12 22:27:04,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03" (1/1) ... [2021-11-12 22:27:04,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03" (1/1) ... [2021-11-12 22:27:04,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03" (1/1) ... [2021-11-12 22:27:04,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03" (1/1) ... [2021-11-12 22:27:04,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03" (1/1) ... [2021-11-12 22:27:04,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:27:04,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:27:04,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:27:04,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:27:04,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03" (1/1) ... [2021-11-12 22:27:04,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:27:04,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:27:05,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:27:05,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:27:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-11-12 22:27:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-11-12 22:27:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 22:27:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 22:27:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2021-11-12 22:27:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2021-11-12 22:27:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2021-11-12 22:27:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2021-11-12 22:27:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-11-12 22:27:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-11-12 22:27:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:27:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:27:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2021-11-12 22:27:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2021-11-12 22:27:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-11-12 22:27:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-11-12 22:27:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-11-12 22:27:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-11-12 22:27:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-12 22:27:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-12 22:27:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2021-11-12 22:27:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2021-11-12 22:27:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2021-11-12 22:27:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2021-11-12 22:27:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2021-11-12 22:27:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2021-11-12 22:27:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2021-11-12 22:27:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2021-11-12 22:27:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2021-11-12 22:27:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2021-11-12 22:27:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_cx8800_dev [2021-11-12 22:27:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_cx8800_dev [2021-11-12 22:27:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 22:27:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 22:27:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2021-11-12 22:27:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2021-11-12 22:27:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2021-11-12 22:27:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2021-11-12 22:27:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-11-12 22:27:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-11-12 22:27:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2021-11-12 22:27:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2021-11-12 22:27:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2021-11-12 22:27:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2021-11-12 22:27:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2021-11-12 22:27:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2021-11-12 22:27:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2021-11-12 22:27:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2021-11-12 22:27:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 22:27:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 22:27:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 22:27:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 22:27:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 22:27:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 22:27:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-11-12 22:27:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-11-12 22:27:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-12 22:27:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-12 22:27:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 22:27:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 22:27:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-11-12 22:27:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-11-12 22:27:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2021-11-12 22:27:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2021-11-12 22:27:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-11-12 22:27:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-11-12 22:27:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2021-11-12 22:27:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2021-11-12 22:27:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-12 22:27:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-12 22:27:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-11-12 22:27:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-11-12 22:27:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:27:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2021-11-12 22:27:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2021-11-12 22:27:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 22:27:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:27:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2021-11-12 22:27:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2021-11-12 22:27:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:27:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_102 [2021-11-12 22:27:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_102 [2021-11-12 22:27:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:27:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-12 22:27:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-12 22:27:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2021-11-12 22:27:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-11-12 22:27:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-11-12 22:27:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-11-12 22:27:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-11-12 22:27:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 22:27:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 22:27:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2021-11-12 22:27:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2021-11-12 22:27:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2021-11-12 22:27:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2021-11-12 22:27:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 22:27:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 22:27:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-12 22:27:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-12 22:27:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2021-11-12 22:27:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2021-11-12 22:27:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 22:27:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 22:27:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2021-11-12 22:27:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2021-11-12 22:27:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 22:27:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 22:27:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2021-11-12 22:27:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2021-11-12 22:27:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2021-11-12 22:27:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2021-11-12 22:27:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-12 22:27:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-12 22:27:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2021-11-12 22:27:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2021-11-12 22:27:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 22:27:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 22:27:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2021-11-12 22:27:05,111 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2021-11-12 22:27:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-11-12 22:27:05,117 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-11-12 22:27:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 22:27:05,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 22:27:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-11-12 22:27:05,118 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-11-12 22:27:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:27:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 22:27:05,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 22:27:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 22:27:05,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 22:27:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 22:27:05,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 22:27:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 22:27:05,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 22:27:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2021-11-12 22:27:05,119 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2021-11-12 22:27:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 22:27:05,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 22:27:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:27:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2021-11-12 22:27:05,120 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2021-11-12 22:27:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:27:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:27:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2021-11-12 22:27:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2021-11-12 22:27:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-12 22:27:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-12 22:27:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-12 22:27:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-12 22:27:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-11-12 22:27:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-11-12 22:27:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2021-11-12 22:27:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2021-11-12 22:27:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 22:27:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 22:27:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2021-11-12 22:27:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2021-11-12 22:27:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 22:27:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 22:27:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-11-12 22:27:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-11-12 22:27:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2021-11-12 22:27:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2021-11-12 22:27:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2021-11-12 22:27:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2021-11-12 22:27:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-11-12 22:27:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-11-12 22:27:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2021-11-12 22:27:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2021-11-12 22:27:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2021-11-12 22:27:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2021-11-12 22:27:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2021-11-12 22:27:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2021-11-12 22:27:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2021-11-12 22:27:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2021-11-12 22:27:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-12 22:27:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-12 22:27:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 22:27:05,127 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 22:27:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-11-12 22:27:05,128 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-11-12 22:27:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:27:05,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:27:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2021-11-12 22:27:05,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2021-11-12 22:27:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 22:27:05,129 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 22:27:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:27:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-12 22:27:05,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-12 22:27:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:27:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:27:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:27:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:27:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2021-11-12 22:27:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2021-11-12 22:27:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2021-11-12 22:27:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2021-11-12 22:27:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2021-11-12 22:27:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2021-11-12 22:27:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2021-11-12 22:27:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2021-11-12 22:27:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-11-12 22:27:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-11-12 22:27:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 22:27:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 22:27:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2021-11-12 22:27:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2021-11-12 22:27:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 22:27:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 22:27:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2021-11-12 22:27:05,133 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2021-11-12 22:27:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2021-11-12 22:27:05,133 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2021-11-12 22:27:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2021-11-12 22:27:05,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2021-11-12 22:27:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2021-11-12 22:27:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2021-11-12 22:27:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2021-11-12 22:27:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2021-11-12 22:27:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-12 22:27:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-12 22:27:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-12 22:27:05,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-12 22:27:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:27:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 22:27:05,135 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 22:27:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:27:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2021-11-12 22:27:05,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2021-11-12 22:27:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2021-11-12 22:27:05,136 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2021-11-12 22:27:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_100 [2021-11-12 22:27:05,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_100 [2021-11-12 22:27:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:27:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:27:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2021-11-12 22:27:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2021-11-12 22:27:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2021-11-12 22:27:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2021-11-12 22:27:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:27:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:27:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:27:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-11-12 22:27:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-11-12 22:27:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 22:27:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 22:27:05,145 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2021-11-12 22:27:05,145 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2021-11-12 22:27:05,145 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-12 22:27:05,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-12 22:27:05,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 22:27:05,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 22:27:05,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-12 22:27:05,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-12 22:27:05,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 22:27:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 22:27:05,147 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-11-12 22:27:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-11-12 22:27:05,147 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-12 22:27:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-12 22:27:05,147 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-11-12 22:27:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-11-12 22:27:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-11-12 22:27:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-11-12 22:27:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:27:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:27:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 22:27:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 22:27:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:27:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:27:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:27:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 22:27:05,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 22:27:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_101 [2021-11-12 22:27:05,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_101 [2021-11-12 22:27:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-11-12 22:27:05,150 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-11-12 22:27:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-12 22:27:05,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-12 22:27:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2021-11-12 22:27:05,150 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2021-11-12 22:27:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-12 22:27:05,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-12 22:27:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-12 22:27:05,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-12 22:27:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2021-11-12 22:27:05,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2021-11-12 22:27:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2021-11-12 22:27:05,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2021-11-12 22:27:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2021-11-12 22:27:05,152 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2021-11-12 22:27:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 22:27:05,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 22:27:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-12 22:27:05,152 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-12 22:27:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 22:27:05,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 22:27:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2021-11-12 22:27:05,153 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2021-11-12 22:27:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-12 22:27:05,153 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-12 22:27:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2021-11-12 22:27:05,153 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2021-11-12 22:27:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2021-11-12 22:27:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2021-11-12 22:27:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 22:27:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 22:27:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2021-11-12 22:27:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2021-11-12 22:27:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_cx8800_dev [2021-11-12 22:27:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_cx8800_dev [2021-11-12 22:27:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 22:27:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 22:27:07,986 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 22:29:11,203 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 22:29:11,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:29:11,363 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-12 22:29:11,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:29:11 BoogieIcfgContainer [2021-11-12 22:29:11,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:29:11,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:29:11,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:29:11,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:29:11,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:26:56" (1/3) ... [2021-11-12 22:29:11,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bacfd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:29:11, skipping insertion in model container [2021-11-12 22:29:11,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:03" (2/3) ... [2021-11-12 22:29:11,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bacfd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:29:11, skipping insertion in model container [2021-11-12 22:29:11,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:29:11" (3/3) ... [2021-11-12 22:29:11,378 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-12 22:29:11,383 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:29:11,383 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:29:11,443 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:29:11,450 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 [2021-11-12 22:29:11,450 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:29:11,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 2878 states, 1967 states have (on average 1.2674123029994917) internal successors, (2493), 1981 states have internal predecessors, (2493), 765 states have call successors, (765), 146 states have call predecessors, (765), 145 states have return successors, (758), 757 states have call predecessors, (758), 758 states have call successors, (758) [2021-11-12 22:29:11,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2021-11-12 22:29:11,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:11,589 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] [2021-11-12 22:29:11,590 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:29:11,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:11,599 INFO L85 PathProgramCache]: Analyzing trace with hash -2018301859, now seen corresponding path program 1 times [2021-11-12 22:29:11,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:11,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639997090] [2021-11-12 22:29:11,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:11,637 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:11,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:11,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:11,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:29:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:26,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 6942 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:29:26,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-12 22:29:28,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-12 22:29:29,631 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:29:29,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639997090] [2021-11-12 22:29:29,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639997090] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:29:29,631 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:29:29,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:29:29,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361808995] [2021-11-12 22:29:29,634 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:29:29,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:29:29,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:29:29,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:29:29,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:29:29,681 INFO L87 Difference]: Start difference. First operand has 2878 states, 1967 states have (on average 1.2674123029994917) internal successors, (2493), 1981 states have internal predecessors, (2493), 765 states have call successors, (765), 146 states have call predecessors, (765), 145 states have return successors, (758), 757 states have call predecessors, (758), 758 states have call successors, (758) Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 4 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2021-11-12 22:29:31,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:29:33,346 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 [] [2021-11-12 22:29:48,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:48,432 INFO L93 Difference]: Finished difference Result 10685 states and 15015 transitions. [2021-11-12 22:29:48,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:29:48,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 4 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 579 [2021-11-12 22:29:48,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:48,539 INFO L225 Difference]: With dead ends: 10685 [2021-11-12 22:29:48,540 INFO L226 Difference]: Without dead ends: 7778 [2021-11-12 22:29:48,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1156 GetRequests, 1154 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:29:48,584 INFO L933 BasicCegarLoop]: 5201 mSDtfsCounter, 9566 mSDsluCounter, 5814 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 1330 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16349.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9566 SdHoareTripleChecker+Valid, 11015 SdHoareTripleChecker+Invalid, 3056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 94.76ms SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17990.25ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:48,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9566 Valid, 11015 Invalid, 3056 Unknown, 0 Unchecked, 94.76ms Time], IncrementalHoareTripleChecker [1330 Valid, 1725 Invalid, 1 Unknown, 0 Unchecked, 17990.25ms Time] [2021-11-12 22:29:48,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7778 states. [2021-11-12 22:29:49,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7778 to 7766. [2021-11-12 22:29:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7766 states, 5379 states have (on average 1.2656627625952779) internal successors, (6808), 5422 states have internal predecessors, (6808), 1957 states have call successors, (1957), 429 states have call predecessors, (1957), 429 states have return successors, (1957), 1950 states have call predecessors, (1957), 1957 states have call successors, (1957) [2021-11-12 22:29:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7766 states to 7766 states and 10722 transitions. [2021-11-12 22:29:49,223 INFO L78 Accepts]: Start accepts. Automaton has 7766 states and 10722 transitions. Word has length 579 [2021-11-12 22:29:49,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:49,230 INFO L470 AbstractCegarLoop]: Abstraction has 7766 states and 10722 transitions. [2021-11-12 22:29:49,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 4 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2021-11-12 22:29:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 7766 states and 10722 transitions. [2021-11-12 22:29:49,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2021-11-12 22:29:49,255 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:49,255 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] [2021-11-12 22:29:49,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-12 22:29:49,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:49,471 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:29:49,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:49,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1537109897, now seen corresponding path program 1 times [2021-11-12 22:29:49,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:49,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370456090] [2021-11-12 22:29:49,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:49,486 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:49,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:49,487 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:49,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:30:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:30:04,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 6917 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:30:04,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:30:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-12 22:30:05,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:30:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-12 22:30:06,795 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:30:06,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [370456090] [2021-11-12 22:30:06,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [370456090] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:30:06,795 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:30:06,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:30:06,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806829968] [2021-11-12 22:30:06,796 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:30:06,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:30:06,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:30:06,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:30:06,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:30:06,800 INFO L87 Difference]: Start difference. First operand 7766 states and 10722 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 4 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-12 22:30:08,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:30:10,482 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 [] [2021-11-12 22:30:24,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:30:24,004 INFO L93 Difference]: Finished difference Result 29591 states and 40812 transitions. [2021-11-12 22:30:24,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:30:24,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 4 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) Word has length 586 [2021-11-12 22:30:24,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:30:24,199 INFO L225 Difference]: With dead ends: 29591 [2021-11-12 22:30:24,199 INFO L226 Difference]: Without dead ends: 21928 [2021-11-12 22:30:24,249 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 [2021-11-12 22:30:24,250 INFO L933 BasicCegarLoop]: 5288 mSDtfsCounter, 9444 mSDsluCounter, 5877 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 1255 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14903.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9444 SdHoareTripleChecker+Valid, 11165 SdHoareTripleChecker+Invalid, 2816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 55.10ms SdHoareTripleChecker+Time, 1255 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16347.23ms IncrementalHoareTripleChecker+Time [2021-11-12 22:30:24,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9444 Valid, 11165 Invalid, 2816 Unknown, 0 Unchecked, 55.10ms Time], IncrementalHoareTripleChecker [1255 Valid, 1560 Invalid, 1 Unknown, 0 Unchecked, 16347.23ms Time] [2021-11-12 22:30:24,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21928 states. [2021-11-12 22:30:25,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21928 to 21918. [2021-11-12 22:30:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21918 states, 15301 states have (on average 1.2705705509443828) internal successors, (19441), 15424 states have internal predecessors, (19441), 5371 states have call successors, (5371), 1245 states have call predecessors, (5371), 1245 states have return successors, (5371), 5344 states have call predecessors, (5371), 5371 states have call successors, (5371) [2021-11-12 22:30:25,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21918 states to 21918 states and 30183 transitions. [2021-11-12 22:30:25,412 INFO L78 Accepts]: Start accepts. Automaton has 21918 states and 30183 transitions. Word has length 586 [2021-11-12 22:30:25,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:30:25,416 INFO L470 AbstractCegarLoop]: Abstraction has 21918 states and 30183 transitions. [2021-11-12 22:30:25,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 4 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-12 22:30:25,417 INFO L276 IsEmpty]: Start isEmpty. Operand 21918 states and 30183 transitions. [2021-11-12 22:30:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-11-12 22:30:25,444 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:30:25,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:30:25,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:30:25,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:30:25,666 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:30:25,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:30:25,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1019509645, now seen corresponding path program 1 times [2021-11-12 22:30:25,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:30:25,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1676449226] [2021-11-12 22:30:25,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:30:25,673 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:30:25,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:30:25,674 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:30:25,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:30:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:30:40,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 7050 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:30:40,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:30:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-12 22:30:41,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:30:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-12 22:30:42,615 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:30:42,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1676449226] [2021-11-12 22:30:42,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1676449226] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:30:42,616 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:30:42,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 22:30:42,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123006517] [2021-11-12 22:30:42,616 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:30:42,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 22:30:42,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:30:42,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 22:30:42,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:30:42,622 INFO L87 Difference]: Start difference. First operand 21918 states and 30183 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-11-12 22:30:46,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:30:48,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:30:48,118 INFO L93 Difference]: Finished difference Result 59058 states and 81263 transitions. [2021-11-12 22:30:48,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:30:48,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 611 [2021-11-12 22:30:48,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:30:48,293 INFO L225 Difference]: With dead ends: 59058 [2021-11-12 22:30:48,293 INFO L226 Difference]: Without dead ends: 37243 [2021-11-12 22:30:48,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1220 GetRequests, 1219 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:30:48,390 INFO L933 BasicCegarLoop]: 5677 mSDtfsCounter, 3344 mSDsluCounter, 3795 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4315.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 9472 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.36ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4466.15ms IncrementalHoareTripleChecker+Time [2021-11-12 22:30:48,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3344 Valid, 9472 Invalid, 146 Unknown, 0 Unchecked, 16.36ms Time], IncrementalHoareTripleChecker [13 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 4466.15ms Time] [2021-11-12 22:30:48,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37243 states. [2021-11-12 22:30:50,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37243 to 37235. [2021-11-12 22:30:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37235 states, 25965 states have (on average 1.2685153090699017) internal successors, (32937), 26197 states have internal predecessors, (32937), 9099 states have call successors, (9099), 2170 states have call predecessors, (9099), 2170 states have return successors, (9099), 9043 states have call predecessors, (9099), 9099 states have call successors, (9099) [2021-11-12 22:30:50,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37235 states to 37235 states and 51135 transitions. [2021-11-12 22:30:50,843 INFO L78 Accepts]: Start accepts. Automaton has 37235 states and 51135 transitions. Word has length 611 [2021-11-12 22:30:50,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:30:50,846 INFO L470 AbstractCegarLoop]: Abstraction has 37235 states and 51135 transitions. [2021-11-12 22:30:50,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-11-12 22:30:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 37235 states and 51135 transitions. [2021-11-12 22:30:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2021-11-12 22:30:50,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:30:50,886 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 49, 49, 49, 49, 49, 49, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:30:51,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:30:51,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:30:51,111 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:30:51,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:30:51,112 INFO L85 PathProgramCache]: Analyzing trace with hash 630629879, now seen corresponding path program 1 times [2021-11-12 22:30:51,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:30:51,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1316704202] [2021-11-12 22:30:51,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:30:51,242 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:30:51,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:30:51,258 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:30:51,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 22:31:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:31:05,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 7017 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:31:05,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:31:07,343 INFO L134 CoverageAnalysis]: Checked inductivity of 11211 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 10608 trivial. 0 not checked. [2021-11-12 22:31:07,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:31:08,712 INFO L134 CoverageAnalysis]: Checked inductivity of 11211 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11205 trivial. 0 not checked. [2021-11-12 22:31:08,712 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:31:08,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1316704202] [2021-11-12 22:31:08,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1316704202] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:31:08,713 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:31:08,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:31:08,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413487978] [2021-11-12 22:31:08,714 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:31:08,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:31:08,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:31:08,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:31:08,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:31:08,716 INFO L87 Difference]: Start difference. First operand 37235 states and 51135 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 4 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2021-11-12 22:31:12,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:31:23,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:31:23,530 INFO L93 Difference]: Finished difference Result 111575 states and 153096 transitions. [2021-11-12 22:31:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:31:23,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 4 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) Word has length 635 [2021-11-12 22:31:23,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:31:23,982 INFO L225 Difference]: With dead ends: 111575 [2021-11-12 22:31:23,982 INFO L226 Difference]: Without dead ends: 74443 [2021-11-12 22:31:24,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1268 GetRequests, 1266 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:31:24,108 INFO L933 BasicCegarLoop]: 4799 mSDtfsCounter, 5020 mSDsluCounter, 6761 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11723.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5020 SdHoareTripleChecker+Valid, 11560 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.08ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12665.40ms IncrementalHoareTripleChecker+Time [2021-11-12 22:31:24,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5020 Valid, 11560 Invalid, 1539 Unknown, 0 Unchecked, 34.08ms Time], IncrementalHoareTripleChecker [25 Valid, 1513 Invalid, 1 Unknown, 0 Unchecked, 12665.40ms Time] [2021-11-12 22:31:24,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74443 states. [2021-11-12 22:31:27,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74443 to 74441. [2021-11-12 22:31:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74441 states, 51915 states have (on average 1.269459693730136) internal successors, (65904), 52342 states have internal predecessors, (65904), 18091 states have call successors, (18091), 4434 states have call predecessors, (18091), 4434 states have return successors, (18091), 18021 states have call predecessors, (18091), 18091 states have call successors, (18091) [2021-11-12 22:31:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74441 states to 74441 states and 102086 transitions. [2021-11-12 22:31:28,245 INFO L78 Accepts]: Start accepts. Automaton has 74441 states and 102086 transitions. Word has length 635 [2021-11-12 22:31:28,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:31:28,253 INFO L470 AbstractCegarLoop]: Abstraction has 74441 states and 102086 transitions. [2021-11-12 22:31:28,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 4 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2021-11-12 22:31:28,253 INFO L276 IsEmpty]: Start isEmpty. Operand 74441 states and 102086 transitions. [2021-11-12 22:31:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2021-11-12 22:31:28,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:31:28,289 INFO L514 BasicCegarLoop]: trace histogram [55, 55, 49, 49, 49, 49, 49, 49, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:31:28,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-12 22:31:28,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:31:28,505 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:31:28,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:31:28,505 INFO L85 PathProgramCache]: Analyzing trace with hash -384213400, now seen corresponding path program 1 times [2021-11-12 22:31:28,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:31:28,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296206051] [2021-11-12 22:31:28,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:31:28,513 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:31:28,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:31:28,514 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:31:28,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 22:31:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:31:43,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 7090 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:31:43,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:31:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 11564 backedges. 665 proven. 0 refuted. 0 times theorem prover too weak. 10899 trivial. 0 not checked. [2021-11-12 22:31:45,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:31:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 11564 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11551 trivial. 0 not checked. [2021-11-12 22:31:46,467 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:31:46,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296206051] [2021-11-12 22:31:46,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1296206051] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:31:46,467 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:31:46,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:31:46,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734585804] [2021-11-12 22:31:46,468 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:31:46,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:31:46,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:31:46,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:31:46,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:31:46,471 INFO L87 Difference]: Start difference. First operand 74441 states and 102086 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 4 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) [2021-11-12 22:31:50,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:32:04,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:32:04,014 INFO L93 Difference]: Finished difference Result 216685 states and 297165 transitions. [2021-11-12 22:32:04,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:32:04,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 4 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) Word has length 671 [2021-11-12 22:32:04,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:32:05,060 INFO L225 Difference]: With dead ends: 216685 [2021-11-12 22:32:05,060 INFO L226 Difference]: Without dead ends: 143169 [2021-11-12 22:32:05,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1340 GetRequests, 1338 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:32:05,311 INFO L933 BasicCegarLoop]: 6219 mSDtfsCounter, 7335 mSDsluCounter, 6490 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12133.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7335 SdHoareTripleChecker+Valid, 12709 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.79ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13069.48ms IncrementalHoareTripleChecker+Time [2021-11-12 22:32:05,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7335 Valid, 12709 Invalid, 1601 Unknown, 0 Unchecked, 33.79ms Time], IncrementalHoareTripleChecker [33 Valid, 1567 Invalid, 1 Unknown, 0 Unchecked, 13069.48ms Time] [2021-11-12 22:32:05,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143169 states. [2021-11-12 22:32:11,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143169 to 143153. [2021-11-12 22:32:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143153 states, 99957 states have (on average 1.2695459047390378) internal successors, (126900), 100768 states have internal predecessors, (126900), 34627 states have call successors, (34627), 8568 states have call predecessors, (34627), 8568 states have return successors, (34627), 34485 states have call predecessors, (34627), 34627 states have call successors, (34627) [2021-11-12 22:32:12,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143153 states to 143153 states and 196154 transitions. [2021-11-12 22:32:12,417 INFO L78 Accepts]: Start accepts. Automaton has 143153 states and 196154 transitions. Word has length 671 [2021-11-12 22:32:12,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:32:12,418 INFO L470 AbstractCegarLoop]: Abstraction has 143153 states and 196154 transitions. [2021-11-12 22:32:12,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 4 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) [2021-11-12 22:32:12,419 INFO L276 IsEmpty]: Start isEmpty. Operand 143153 states and 196154 transitions. [2021-11-12 22:32:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2021-11-12 22:32:12,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:32:12,478 INFO L514 BasicCegarLoop]: trace histogram [55, 55, 49, 49, 49, 49, 49, 49, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:32:12,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 22:32:12,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:32:12,703 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:32:12,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:32:12,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1453648413, now seen corresponding path program 1 times [2021-11-12 22:32:12,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:32:12,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282560514] [2021-11-12 22:32:12,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:32:12,717 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:32:12,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:32:12,718 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:32:12,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 22:32:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:32:28,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 7198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:32:28,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:32:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 11692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11692 trivial. 0 not checked. [2021-11-12 22:32:35,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:32:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 11692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11692 trivial. 0 not checked. [2021-11-12 22:32:38,670 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:32:38,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282560514] [2021-11-12 22:32:38,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282560514] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:32:38,670 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:32:38,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [] total 5 [2021-11-12 22:32:38,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64808175] [2021-11-12 22:32:38,671 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:32:38,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:32:38,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:32:38,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:32:38,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:32:38,675 INFO L87 Difference]: Start difference. First operand 143153 states and 196154 transitions. Second operand has 5 states, 5 states have (on average 54.6) internal successors, (273), 5 states have internal predecessors, (273), 3 states have call successors, (136), 3 states have call predecessors, (136), 4 states have return successors, (132), 4 states have call predecessors, (132), 3 states have call successors, (132) [2021-11-12 22:32:42,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:32:57,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:32:57,214 INFO L93 Difference]: Finished difference Result 285381 states and 391981 transitions. [2021-11-12 22:32:57,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:32:57,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.6) internal successors, (273), 5 states have internal predecessors, (273), 3 states have call successors, (136), 3 states have call predecessors, (136), 4 states have return successors, (132), 4 states have call predecessors, (132), 3 states have call successors, (132) Word has length 727 [2021-11-12 22:32:57,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:32:58,348 INFO L225 Difference]: With dead ends: 285381 [2021-11-12 22:32:58,348 INFO L226 Difference]: Without dead ends: 143153 [2021-11-12 22:32:58,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1452 GetRequests, 1449 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:32:58,684 INFO L933 BasicCegarLoop]: 3923 mSDtfsCounter, 5993 mSDsluCounter, 2448 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 1412 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11854.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5993 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 2889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.02ms SdHoareTripleChecker+Time, 1412 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12953.33ms IncrementalHoareTripleChecker+Time [2021-11-12 22:32:58,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5993 Valid, 6371 Invalid, 2889 Unknown, 0 Unchecked, 27.02ms Time], IncrementalHoareTripleChecker [1412 Valid, 1476 Invalid, 1 Unknown, 0 Unchecked, 12953.33ms Time] [2021-11-12 22:32:58,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143153 states. [2021-11-12 22:33:04,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143153 to 143153. [2021-11-12 22:33:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143153 states, 99957 states have (on average 1.2689056294206509) internal successors, (126836), 100768 states have internal predecessors, (126836), 34627 states have call successors, (34627), 8568 states have call predecessors, (34627), 8568 states have return successors, (34627), 34485 states have call predecessors, (34627), 34627 states have call successors, (34627) [2021-11-12 22:33:05,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143153 states to 143153 states and 196090 transitions. [2021-11-12 22:33:05,942 INFO L78 Accepts]: Start accepts. Automaton has 143153 states and 196090 transitions. Word has length 727 [2021-11-12 22:33:05,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:33:05,945 INFO L470 AbstractCegarLoop]: Abstraction has 143153 states and 196090 transitions. [2021-11-12 22:33:05,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.6) internal successors, (273), 5 states have internal predecessors, (273), 3 states have call successors, (136), 3 states have call predecessors, (136), 4 states have return successors, (132), 4 states have call predecessors, (132), 3 states have call successors, (132) [2021-11-12 22:33:05,945 INFO L276 IsEmpty]: Start isEmpty. Operand 143153 states and 196090 transitions. [2021-11-12 22:33:05,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2021-11-12 22:33:05,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:33:05,997 INFO L514 BasicCegarLoop]: trace histogram [55, 55, 49, 49, 49, 49, 49, 49, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:33:06,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 22:33:06,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:33:06,223 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:33:06,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:33:06,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1793980716, now seen corresponding path program 1 times [2021-11-12 22:33:06,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:33:06,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107038068] [2021-11-12 22:33:06,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:33:06,234 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:33:06,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:33:06,235 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:33:06,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dbaea5-c823-4039-8873-5f8590389e1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process