./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/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_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:01:56,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:01:56,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:01:56,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:01:56,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:01:56,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:01:56,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:01:56,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:01:56,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:01:56,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:01:56,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:01:56,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:01:56,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:01:56,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:01:56,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:01:56,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:01:56,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:01:56,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:01:56,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:01:56,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:01:56,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:01:56,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:01:56,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:01:56,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:01:56,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:01:56,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:01:56,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:01:56,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:01:56,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:01:56,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:01:56,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:01:56,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:01:56,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:01:56,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:01:56,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:01:56,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:01:56,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:01:56,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:01:56,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:01:56,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:01:56,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:01:56,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:01:56,375 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:01:56,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:01:56,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:01:56,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:01:56,377 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:01:56,377 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:01:56,377 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:01:56,378 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:01:56,378 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:01:56,378 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:01:56,378 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:01:56,379 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:01:56,379 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:01:56,379 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:01:56,379 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:01:56,379 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:01:56,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:01:56,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:01:56,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:01:56,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:01:56,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:01:56,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:01:56,381 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:01:56,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:01:56,381 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:01:56,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:01:56,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:01:56,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:01:56,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:01:56,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:01:56,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:01:56,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:01:56,383 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:01:56,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:01:56,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:01:56,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:01:56,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:01:56,384 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_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 [2021-11-19 14:01:56,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:01:56,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:01:56,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:01:56,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:01:56,729 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:01:56,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-19 14:01:56,860 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/data/b52628da9/277ceb2dc24c482dae16cbdacaa041ac/FLAG0823dd679 [2021-11-19 14:01:58,030 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:01:58,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-19 14:01:58,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/data/b52628da9/277ceb2dc24c482dae16cbdacaa041ac/FLAG0823dd679 [2021-11-19 14:01:58,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/data/b52628da9/277ceb2dc24c482dae16cbdacaa041ac [2021-11-19 14:01:58,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:01:58,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:01:58,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:01:58,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:01:58,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:01:58,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:01:58" (1/1) ... [2021-11-19 14:01:58,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@669a9e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:58, skipping insertion in model container [2021-11-19 14:01:58,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:01:58" (1/1) ... [2021-11-19 14:01:58,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:01:58,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:02:00,724 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,746 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,796 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,818 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,835 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,837 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,861 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,878 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,891 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,927 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,947 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,968 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:00,983 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,000 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,011 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,056 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,064 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,072 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,080 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,090 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,098 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,105 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,113 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,124 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,132 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,150 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,157 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,165 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,173 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,183 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,215 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,247 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,311 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,320 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:01,328 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,210 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,211 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,215 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,216 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,217 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,218 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,228 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,229 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,229 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,230 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,230 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,230 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,231 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,231 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,231 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,232 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,232 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,232 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,233 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,233 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,234 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,235 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,236 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,243 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,243 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,244 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,244 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,244 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,245 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,245 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,245 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,246 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,246 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,246 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,247 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,247 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,247 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,248 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,249 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,250 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,279 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,309 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,317 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,376 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:02,390 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:03,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2021-11-19 14:02:03,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2021-11-19 14:02:03,236 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:03,351 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:02:03,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2267d187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:03, skipping insertion in model container [2021-11-19 14:02:03,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:03,353 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:02:03,355 INFO L158 Benchmark]: Toolchain (without parser) took 5100.23ms. Allocated memory was 102.8MB in the beginning and 220.2MB in the end (delta: 117.4MB). Free memory was 46.3MB in the beginning and 126.0MB in the end (delta: -79.7MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2021-11-19 14:02:03,356 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 102.8MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:02:03,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5081.60ms. Allocated memory was 102.8MB in the beginning and 220.2MB in the end (delta: 117.4MB). Free memory was 46.1MB in the beginning and 126.0MB in the end (delta: -80.0MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2021-11-19 14:02:03,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 102.8MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5081.60ms. Allocated memory was 102.8MB in the beginning and 220.2MB in the end (delta: 117.4MB). Free memory was 46.1MB in the beginning and 126.0MB in the end (delta: -80.0MB). Peak memory consumption was 54.1MB. 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_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/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_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:02:05,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:02:05,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:02:05,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:02:05,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:02:05,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:02:05,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:02:05,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:02:05,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:02:05,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:02:05,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:02:05,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:02:05,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:02:05,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:02:05,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:02:05,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:02:05,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:02:05,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:02:05,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:02:05,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:02:05,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:02:05,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:02:05,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:02:05,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:02:05,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:02:05,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:02:05,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:02:05,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:02:05,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:02:05,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:02:05,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:02:05,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:02:05,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:02:05,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:02:05,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:02:05,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:02:05,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:02:05,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:02:05,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:02:05,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:02:05,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:02:05,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:02:05,750 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:02:05,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:02:05,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:02:05,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:02:05,751 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:02:05,752 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:02:05,752 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:02:05,752 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:02:05,752 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:02:05,753 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:02:05,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:02:05,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:02:05,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:02:05,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:02:05,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:02:05,755 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:02:05,755 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:02:05,755 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:02:05,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:02:05,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:02:05,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:02:05,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:02:05,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:02:05,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:02:05,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:02:05,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:02:05,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:02:05,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:02:05,758 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:02:05,758 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:02:05,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:02:05,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:02:05,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:02:05,759 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_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 [2021-11-19 14:02:06,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:02:06,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:02:06,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:02:06,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:02:06,138 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:02:06,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-19 14:02:06,215 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/data/6e0df1f08/3df70b0d0e5d4714b9b57b482ef62003/FLAGa17ac2eda [2021-11-19 14:02:07,553 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:02:07,555 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-19 14:02:07,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/data/6e0df1f08/3df70b0d0e5d4714b9b57b482ef62003/FLAGa17ac2eda [2021-11-19 14:02:08,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/data/6e0df1f08/3df70b0d0e5d4714b9b57b482ef62003 [2021-11-19 14:02:08,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:02:08,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:02:08,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:08,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:02:08,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:02:08,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:08" (1/1) ... [2021-11-19 14:02:08,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61853056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:08, skipping insertion in model container [2021-11-19 14:02:08,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:08" (1/1) ... [2021-11-19 14:02:08,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:02:08,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:02:12,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2021-11-19 14:02:12,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2021-11-19 14:02:12,991 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:13,107 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:02:13,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:02:13,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2021-11-19 14:02:13,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2021-11-19 14:02:13,747 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:13,825 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:02:14,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2021-11-19 14:02:14,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2021-11-19 14:02:14,780 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:15,184 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:02:15,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15 WrapperNode [2021-11-19 14:02:15,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:15,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:02:15,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:02:15,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:02:15,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15" (1/1) ... [2021-11-19 14:02:15,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15" (1/1) ... [2021-11-19 14:02:15,610 INFO L137 Inliner]: procedures = 550, calls = 4277, calls flagged for inlining = 264, calls inlined = 251, statements flattened = 8222 [2021-11-19 14:02:15,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:02:15,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:02:15,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:02:15,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:02:15,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15" (1/1) ... [2021-11-19 14:02:15,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15" (1/1) ... [2021-11-19 14:02:15,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15" (1/1) ... [2021-11-19 14:02:15,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15" (1/1) ... [2021-11-19 14:02:15,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15" (1/1) ... [2021-11-19 14:02:16,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15" (1/1) ... [2021-11-19 14:02:16,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15" (1/1) ... [2021-11-19 14:02:16,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:02:16,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:02:16,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:02:16,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:02:16,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15" (1/1) ... [2021-11-19 14:02:16,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:02:16,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:02:16,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:02:16,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:02:16,290 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-11-19 14:02:16,291 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-11-19 14:02:16,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:02:16,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:02:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2021-11-19 14:02:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2021-11-19 14:02:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2021-11-19 14:02:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2021-11-19 14:02:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-11-19 14:02:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-11-19 14:02:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:02:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:02:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2021-11-19 14:02:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2021-11-19 14:02:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-11-19 14:02:16,294 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-11-19 14:02:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-11-19 14:02:16,294 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-11-19 14:02:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 14:02:16,295 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 14:02:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2021-11-19 14:02:16,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2021-11-19 14:02:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2021-11-19 14:02:16,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2021-11-19 14:02:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2021-11-19 14:02:16,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2021-11-19 14:02:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2021-11-19 14:02:16,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2021-11-19 14:02:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2021-11-19 14:02:16,298 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2021-11-19 14:02:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_cx8800_dev [2021-11-19 14:02:16,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_cx8800_dev [2021-11-19 14:02:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 14:02:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 14:02:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2021-11-19 14:02:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2021-11-19 14:02:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2021-11-19 14:02:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2021-11-19 14:02:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-11-19 14:02:16,301 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-11-19 14:02:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2021-11-19 14:02:16,301 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2021-11-19 14:02:16,302 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2021-11-19 14:02:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2021-11-19 14:02:16,302 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2021-11-19 14:02:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2021-11-19 14:02:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2021-11-19 14:02:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2021-11-19 14:02:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:02:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:02:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:02:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:02:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:02:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:02:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-11-19 14:02:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-11-19 14:02:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-19 14:02:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-19 14:02:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:02:16,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:02:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-11-19 14:02:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-11-19 14:02:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2021-11-19 14:02:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2021-11-19 14:02:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-11-19 14:02:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-11-19 14:02:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2021-11-19 14:02:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2021-11-19 14:02:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-19 14:02:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-19 14:02:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-11-19 14:02:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-11-19 14:02:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:02:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2021-11-19 14:02:16,314 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2021-11-19 14:02:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:02:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:02:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2021-11-19 14:02:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2021-11-19 14:02:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:02:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_102 [2021-11-19 14:02:16,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_102 [2021-11-19 14:02:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:02:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 14:02:16,317 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 14:02:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2021-11-19 14:02:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-11-19 14:02:16,319 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-11-19 14:02:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-11-19 14:02:16,319 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-11-19 14:02:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:02:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:02:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2021-11-19 14:02:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2021-11-19 14:02:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2021-11-19 14:02:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2021-11-19 14:02:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:02:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:02:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-19 14:02:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-19 14:02:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2021-11-19 14:02:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2021-11-19 14:02:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:02:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:02:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2021-11-19 14:02:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2021-11-19 14:02:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:02:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:02:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2021-11-19 14:02:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2021-11-19 14:02:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2021-11-19 14:02:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2021-11-19 14:02:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 14:02:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 14:02:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2021-11-19 14:02:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2021-11-19 14:02:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:02:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:02:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2021-11-19 14:02:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2021-11-19 14:02:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-11-19 14:02:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-11-19 14:02:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 14:02:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 14:02:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-11-19 14:02:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-11-19 14:02:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:02:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:02:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:02:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:02:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:02:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 14:02:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 14:02:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 14:02:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 14:02:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2021-11-19 14:02:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2021-11-19 14:02:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:02:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:02:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:02:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:02:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2021-11-19 14:02:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2021-11-19 14:02:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:02:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:02:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2021-11-19 14:02:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2021-11-19 14:02:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:02:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:02:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:02:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:02:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-11-19 14:02:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-11-19 14:02:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2021-11-19 14:02:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2021-11-19 14:02:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 14:02:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 14:02:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2021-11-19 14:02:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2021-11-19 14:02:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 14:02:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 14:02:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-11-19 14:02:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-11-19 14:02:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2021-11-19 14:02:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2021-11-19 14:02:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2021-11-19 14:02:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2021-11-19 14:02:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-11-19 14:02:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-11-19 14:02:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2021-11-19 14:02:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2021-11-19 14:02:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2021-11-19 14:02:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2021-11-19 14:02:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2021-11-19 14:02:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2021-11-19 14:02:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2021-11-19 14:02:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2021-11-19 14:02:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-19 14:02:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-19 14:02:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 14:02:16,354 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 14:02:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-11-19 14:02:16,354 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-11-19 14:02:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:02:16,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:02:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2021-11-19 14:02:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2021-11-19 14:02:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 14:02:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 14:02:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:02:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 14:02:16,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 14:02:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:02:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:02:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:02:16,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:02:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2021-11-19 14:02:16,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2021-11-19 14:02:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2021-11-19 14:02:16,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2021-11-19 14:02:16,358 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2021-11-19 14:02:16,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2021-11-19 14:02:16,358 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2021-11-19 14:02:16,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2021-11-19 14:02:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-11-19 14:02:16,359 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-11-19 14:02:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:02:16,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:02:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2021-11-19 14:02:16,360 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2021-11-19 14:02:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 14:02:16,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 14:02:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2021-11-19 14:02:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2021-11-19 14:02:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2021-11-19 14:02:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2021-11-19 14:02:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2021-11-19 14:02:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2021-11-19 14:02:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2021-11-19 14:02:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2021-11-19 14:02:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2021-11-19 14:02:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2021-11-19 14:02:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-19 14:02:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-19 14:02:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 14:02:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 14:02:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:02:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:02:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:02:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:02:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2021-11-19 14:02:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2021-11-19 14:02:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2021-11-19 14:02:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2021-11-19 14:02:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_100 [2021-11-19 14:02:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_100 [2021-11-19 14:02:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:02:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:02:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2021-11-19 14:02:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2021-11-19 14:02:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2021-11-19 14:02:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2021-11-19 14:02:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:02:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:02:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:02:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-11-19 14:02:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-11-19 14:02:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:02:16,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:02:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2021-11-19 14:02:16,379 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2021-11-19 14:02:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 14:02:16,379 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 14:02:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:02:16,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:02:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 14:02:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 14:02:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:02:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:02:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-11-19 14:02:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-11-19 14:02:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 14:02:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 14:02:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-11-19 14:02:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-11-19 14:02:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-11-19 14:02:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-11-19 14:02:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:02:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:02:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:02:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:02:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:02:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:02:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:02:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:02:16,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:02:16,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_101 [2021-11-19 14:02:16,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_101 [2021-11-19 14:02:16,384 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-11-19 14:02:16,384 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-11-19 14:02:16,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 14:02:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 14:02:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2021-11-19 14:02:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2021-11-19 14:02:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:02:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:02:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 14:02:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 14:02:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2021-11-19 14:02:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2021-11-19 14:02:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2021-11-19 14:02:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2021-11-19 14:02:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2021-11-19 14:02:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2021-11-19 14:02:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:02:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:02:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:02:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:02:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:02:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:02:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2021-11-19 14:02:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2021-11-19 14:02:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 14:02:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 14:02:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2021-11-19 14:02:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2021-11-19 14:02:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2021-11-19 14:02:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2021-11-19 14:02:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 14:02:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 14:02:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2021-11-19 14:02:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2021-11-19 14:02:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_cx8800_dev [2021-11-19 14:02:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_cx8800_dev [2021-11-19 14:02:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:02:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:02:18,111 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:02:18,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:02:19,563 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:04:03,691 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:04:03,811 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:04:03,837 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:04:03,838 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 14:04:03,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:04:03 BoogieIcfgContainer [2021-11-19 14:04:03,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:04:03,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:04:03,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:04:03,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:04:03,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:02:08" (1/3) ... [2021-11-19 14:04:03,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c5e56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:04:03, skipping insertion in model container [2021-11-19 14:04:03,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:15" (2/3) ... [2021-11-19 14:04:03,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c5e56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:04:03, skipping insertion in model container [2021-11-19 14:04:03,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:04:03" (3/3) ... [2021-11-19 14:04:03,852 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-19 14:04:03,858 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:04:03,858 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:04:03,919 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:04:03,925 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:04:03,925 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:04:03,996 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) [2021-11-19 14:04:04,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2021-11-19 14:04:04,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:04,051 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] [2021-11-19 14:04:04,052 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:04:04,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:04,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2018301859, now seen corresponding path program 1 times [2021-11-19 14:04:04,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:04,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955545429] [2021-11-19 14:04:04,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:04,092 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:04,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:04,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:04,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:04:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:14,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 6593 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:14,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:15,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-19 14:04:15,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-19 14:04:17,532 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:17,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955545429] [2021-11-19 14:04:17,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955545429] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:17,533 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:17,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:04:17,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311417944] [2021-11-19 14:04:17,536 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:17,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:04:17,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:17,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:04:17,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:04:17,585 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) [2021-11-19 14:04:19,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:21,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:36,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:36,398 INFO L93 Difference]: Finished difference Result 10685 states and 15015 transitions. [2021-11-19 14:04:36,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:04:36,405 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 [2021-11-19 14:04:36,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:36,515 INFO L225 Difference]: With dead ends: 10685 [2021-11-19 14:04:36,515 INFO L226 Difference]: Without dead ends: 7778 [2021-11-19 14:04:36,548 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 [2021-11-19 14:04:36,555 INFO L933 BasicCegarLoop]: 5201 mSDtfsCounter, 9566 mSDsluCounter, 5814 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 1330 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9566 SdHoareTripleChecker+Valid, 11015 SdHoareTripleChecker+Invalid, 3056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:36,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9566 Valid, 11015 Invalid, 3056 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1330 Valid, 1725 Invalid, 1 Unknown, 0 Unchecked, 18.0s Time] [2021-11-19 14:04:36,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7778 states. [2021-11-19 14:04:37,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7778 to 7766. [2021-11-19 14:04:37,110 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) [2021-11-19 14:04:37,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7766 states to 7766 states and 10722 transitions. [2021-11-19 14:04:37,186 INFO L78 Accepts]: Start accepts. Automaton has 7766 states and 10722 transitions. Word has length 579 [2021-11-19 14:04:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:37,189 INFO L470 AbstractCegarLoop]: Abstraction has 7766 states and 10722 transitions. [2021-11-19 14:04:37,190 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) [2021-11-19 14:04:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 7766 states and 10722 transitions. [2021-11-19 14:04:37,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2021-11-19 14:04:37,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:37,214 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:04:37,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:37,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:37,436 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:04:37,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:37,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1537109897, now seen corresponding path program 1 times [2021-11-19 14:04:37,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:37,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439726532] [2021-11-19 14:04:37,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:37,453 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:37,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:37,454 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:37,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:04:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:48,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 6568 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:48,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-19 14:04:50,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-19 14:04:51,496 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:51,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439726532] [2021-11-19 14:04:51,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439726532] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:51,497 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:51,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:04:51,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562831160] [2021-11-19 14:04:51,498 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:51,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:04:51,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:51,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:04:51,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:04:51,502 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) [2021-11-19 14:04:52,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:54,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:08,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:08,921 INFO L93 Difference]: Finished difference Result 29591 states and 40812 transitions. [2021-11-19 14:05:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:05:08,922 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 [2021-11-19 14:05:08,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:09,271 INFO L225 Difference]: With dead ends: 29591 [2021-11-19 14:05:09,271 INFO L226 Difference]: Without dead ends: 21928 [2021-11-19 14:05:09,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1170 GetRequests, 1168 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:05:09,306 INFO L933 BasicCegarLoop]: 5288 mSDtfsCounter, 9444 mSDsluCounter, 5877 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 1255 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9444 SdHoareTripleChecker+Valid, 11165 SdHoareTripleChecker+Invalid, 2816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1255 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:09,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9444 Valid, 11165 Invalid, 2816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1255 Valid, 1560 Invalid, 1 Unknown, 0 Unchecked, 16.4s Time] [2021-11-19 14:05:09,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21928 states. [2021-11-19 14:05:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21928 to 21918. [2021-11-19 14:05:10,403 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) [2021-11-19 14:05:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21918 states to 21918 states and 30183 transitions. [2021-11-19 14:05:10,521 INFO L78 Accepts]: Start accepts. Automaton has 21918 states and 30183 transitions. Word has length 586 [2021-11-19 14:05:10,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:10,527 INFO L470 AbstractCegarLoop]: Abstraction has 21918 states and 30183 transitions. [2021-11-19 14:05:10,528 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) [2021-11-19 14:05:10,528 INFO L276 IsEmpty]: Start isEmpty. Operand 21918 states and 30183 transitions. [2021-11-19 14:05:10,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-11-19 14:05:10,555 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:10,556 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] [2021-11-19 14:05:10,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-19 14:05:10,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:10,778 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:05:10,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:10,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1019509645, now seen corresponding path program 1 times [2021-11-19 14:05:10,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:10,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825245598] [2021-11-19 14:05:10,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:10,785 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:10,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:10,786 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:10,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:05:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:21,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 6701 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:05:21,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-19 14:05:22,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-19 14:05:24,033 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:24,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825245598] [2021-11-19 14:05:24,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [825245598] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:05:24,034 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:05:24,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:05:24,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674657794] [2021-11-19 14:05:24,036 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:24,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:05:24,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:24,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:05:24,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:05:24,039 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) [2021-11-19 14:05:27,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:29,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:29,633 INFO L93 Difference]: Finished difference Result 59058 states and 81263 transitions. [2021-11-19 14:05:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:05:29,633 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 [2021-11-19 14:05:29,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:29,845 INFO L225 Difference]: With dead ends: 59058 [2021-11-19 14:05:29,846 INFO L226 Difference]: Without dead ends: 37243 [2021-11-19 14:05:29,965 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 [2021-11-19 14:05:29,970 INFO L933 BasicCegarLoop]: 5677 mSDtfsCounter, 3344 mSDsluCounter, 3795 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 9472 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:29,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3344 Valid, 9472 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-11-19 14:05:30,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37243 states. [2021-11-19 14:05:31,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37243 to 37235. [2021-11-19 14:05:31,971 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) [2021-11-19 14:05:32,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37235 states to 37235 states and 51135 transitions. [2021-11-19 14:05:32,158 INFO L78 Accepts]: Start accepts. Automaton has 37235 states and 51135 transitions. Word has length 611 [2021-11-19 14:05:32,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:32,161 INFO L470 AbstractCegarLoop]: Abstraction has 37235 states and 51135 transitions. [2021-11-19 14:05:32,162 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) [2021-11-19 14:05:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 37235 states and 51135 transitions. [2021-11-19 14:05:32,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2021-11-19 14:05:32,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:32,211 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] [2021-11-19 14:05:32,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:32,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:32,436 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:05:32,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:32,437 INFO L85 PathProgramCache]: Analyzing trace with hash 630629879, now seen corresponding path program 1 times [2021-11-19 14:05:32,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:32,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925130010] [2021-11-19 14:05:32,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:32,449 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:32,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:32,450 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:32,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:05:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:43,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 6668 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:05:43,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 11211 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 10608 trivial. 0 not checked. [2021-11-19 14:05:44,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 11211 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11205 trivial. 0 not checked. [2021-11-19 14:05:46,301 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:46,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [925130010] [2021-11-19 14:05:46,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [925130010] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:05:46,302 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:05:46,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:05:46,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088451475] [2021-11-19 14:05:46,303 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:46,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:05:46,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:46,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:05:46,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:05:46,306 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) [2021-11-19 14:05:49,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:00,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:00,914 INFO L93 Difference]: Finished difference Result 111575 states and 153096 transitions. [2021-11-19 14:06:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:06:00,915 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 [2021-11-19 14:06:00,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:01,281 INFO L225 Difference]: With dead ends: 111575 [2021-11-19 14:06:01,281 INFO L226 Difference]: Without dead ends: 74443 [2021-11-19 14:06:01,697 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 [2021-11-19 14:06:01,699 INFO L933 BasicCegarLoop]: 4799 mSDtfsCounter, 5020 mSDsluCounter, 6761 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5020 SdHoareTripleChecker+Valid, 11560 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:06:01,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5020 Valid, 11560 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1513 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2021-11-19 14:06:01,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74443 states. [2021-11-19 14:06:05,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74443 to 74441. [2021-11-19 14:06:05,332 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) [2021-11-19 14:06:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74441 states to 74441 states and 102086 transitions. [2021-11-19 14:06:05,841 INFO L78 Accepts]: Start accepts. Automaton has 74441 states and 102086 transitions. Word has length 635 [2021-11-19 14:06:05,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:05,843 INFO L470 AbstractCegarLoop]: Abstraction has 74441 states and 102086 transitions. [2021-11-19 14:06:05,843 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) [2021-11-19 14:06:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 74441 states and 102086 transitions. [2021-11-19 14:06:05,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2021-11-19 14:06:05,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:05,878 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] [2021-11-19 14:06:06,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-19 14:06:06,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:06,092 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:06:06,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:06,092 INFO L85 PathProgramCache]: Analyzing trace with hash -384213400, now seen corresponding path program 1 times [2021-11-19 14:06:06,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:06,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948744047] [2021-11-19 14:06:06,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:06,099 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:06,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:06,099 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:06,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:06:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:16,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 6741 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:06:16,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 11564 backedges. 665 proven. 0 refuted. 0 times theorem prover too weak. 10899 trivial. 0 not checked. [2021-11-19 14:06:17,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 11564 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11551 trivial. 0 not checked. [2021-11-19 14:06:19,353 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:19,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948744047] [2021-11-19 14:06:19,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948744047] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:06:19,354 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:06:19,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:06:19,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411470584] [2021-11-19 14:06:19,355 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:06:19,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:06:19,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:06:19,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:06:19,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:06:19,358 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) [2021-11-19 14:06:22,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:36,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:36,650 INFO L93 Difference]: Finished difference Result 216685 states and 297165 transitions. [2021-11-19 14:06:36,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:06:36,651 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 [2021-11-19 14:06:36,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:37,553 INFO L225 Difference]: With dead ends: 216685 [2021-11-19 14:06:37,554 INFO L226 Difference]: Without dead ends: 143169 [2021-11-19 14:06:37,895 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 [2021-11-19 14:06:37,896 INFO L933 BasicCegarLoop]: 6219 mSDtfsCounter, 7335 mSDsluCounter, 6490 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7335 SdHoareTripleChecker+Valid, 12709 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:06:37,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7335 Valid, 12709 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1567 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2021-11-19 14:06:38,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143169 states. [2021-11-19 14:06:44,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143169 to 143153. [2021-11-19 14:06:44,322 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) [2021-11-19 14:06:45,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143153 states to 143153 states and 196154 transitions. [2021-11-19 14:06:46,054 INFO L78 Accepts]: Start accepts. Automaton has 143153 states and 196154 transitions. Word has length 671 [2021-11-19 14:06:46,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:46,056 INFO L470 AbstractCegarLoop]: Abstraction has 143153 states and 196154 transitions. [2021-11-19 14:06:46,056 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) [2021-11-19 14:06:46,056 INFO L276 IsEmpty]: Start isEmpty. Operand 143153 states and 196154 transitions. [2021-11-19 14:06:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2021-11-19 14:06:46,127 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:46,128 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] [2021-11-19 14:06:46,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:06:46,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:46,352 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:06:46,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:46,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1453648413, now seen corresponding path program 1 times [2021-11-19 14:06:46,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:46,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837228522] [2021-11-19 14:06:46,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:46,364 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:46,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:46,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:46,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373cbc94-799e-4f6f-bbaa-3dfbe50a702d/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:06:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:56,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 6849 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:06:56,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:07:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 11692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11692 trivial. 0 not checked. [2021-11-19 14:07:03,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:07:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 11692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11692 trivial. 0 not checked. [2021-11-19 14:07:06,563 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:07:06,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837228522] [2021-11-19 14:07:06,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [837228522] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:07:06,564 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:07:06,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [] total 5 [2021-11-19 14:07:06,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036101623] [2021-11-19 14:07:06,565 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:07:06,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:07:06,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:07:06,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:07:06,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:07:06,569 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) [2021-11-19 14:07:10,289 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:24,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:07:24,923 INFO L93 Difference]: Finished difference Result 285381 states and 391981 transitions. [2021-11-19 14:07:24,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:07:24,924 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 [2021-11-19 14:07:24,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:07:26,517 INFO L225 Difference]: With dead ends: 285381 [2021-11-19 14:07:26,517 INFO L226 Difference]: Without dead ends: 143153 [2021-11-19 14:07:27,003 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 [2021-11-19 14:07:27,003 INFO L933 BasicCegarLoop]: 3923 mSDtfsCounter, 5993 mSDsluCounter, 2448 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 1412 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5993 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 2889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1412 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:07:27,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5993 Valid, 6371 Invalid, 2889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1412 Valid, 1476 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2021-11-19 14:07:27,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143153 states. [2021-11-19 14:07:34,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143153 to 143153. [2021-11-19 14:07:34,327 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)