./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba --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 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:14:57,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:14:57,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:14:57,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:14:57,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:14:57,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:14:57,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:14:57,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:14:57,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:14:57,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:14:57,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:14:57,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:14:57,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:14:57,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:14:57,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:14:57,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:14:57,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:14:57,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:14:57,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:14:57,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:14:57,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:14:57,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:14:57,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:14:57,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:14:57,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:14:57,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:14:57,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:14:57,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:14:57,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:14:57,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:14:57,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:14:57,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:14:57,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:14:57,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:14:57,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:14:57,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:14:57,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:14:57,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:14:57,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:14:57,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:14:57,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:14:57,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:14:57,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:14:57,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:14:57,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:14:57,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:14:57,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:14:57,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:14:57,522 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:14:57,523 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:14:57,523 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:14:57,523 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:14:57,524 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:14:57,525 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:14:57,525 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:14:57,525 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:14:57,525 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:14:57,526 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:14:57,526 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:14:57,526 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:14:57,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:14:57,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:14:57,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:14:57,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:14:57,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:14:57,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:14:57,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:14:57,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:14:57,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:14:57,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:14:57,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:14:57,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:14:57,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:14:57,530 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:14:57,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:14:57,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:14:57,531 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:14:57,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:14:57,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:14:57,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:14:57,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 [2022-11-22 00:14:57,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:14:57,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:14:57,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:14:57,874 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:14:57,874 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:14:57,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-22 00:15:01,028 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:15:01,858 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:15:01,858 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-22 00:15:01,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/data/4d8073da2/d6983d6795274c28bf6bee0b90de20e4/FLAG87fbdf35b [2022-11-22 00:15:01,961 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/data/4d8073da2/d6983d6795274c28bf6bee0b90de20e4 [2022-11-22 00:15:01,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:15:01,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:15:01,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:15:01,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:15:01,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:15:01,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:15:01" (1/1) ... [2022-11-22 00:15:01,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c159de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:01, skipping insertion in model container [2022-11-22 00:15:01,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:15:01" (1/1) ... [2022-11-22 00:15:01,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:15:02,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:15:11,401 WARN L237 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_9d4f1d24-6733-4418-a020-f8d03380d86e/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-22 00:15:11,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:15:11,994 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:15:13,009 WARN L237 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_9d4f1d24-6733-4418-a020-f8d03380d86e/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-22 00:15:13,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:15:13,803 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:15:13,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13 WrapperNode [2022-11-22 00:15:13,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:15:13,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:15:13,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:15:13,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:15:13,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (1/1) ... [2022-11-22 00:15:14,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (1/1) ... [2022-11-22 00:15:14,371 INFO L138 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 360, calls inlined = 206, statements flattened = 9178 [2022-11-22 00:15:14,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:15:14,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:15:14,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:15:14,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:15:14,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (1/1) ... [2022-11-22 00:15:14,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (1/1) ... [2022-11-22 00:15:14,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (1/1) ... [2022-11-22 00:15:14,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (1/1) ... [2022-11-22 00:15:14,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (1/1) ... [2022-11-22 00:15:14,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (1/1) ... [2022-11-22 00:15:14,900 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (1/1) ... [2022-11-22 00:15:14,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (1/1) ... [2022-11-22 00:15:14,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:15:14,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:15:14,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:15:14,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:15:14,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (1/1) ... [2022-11-22 00:15:14,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:15:15,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:15:15,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:15:15,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4f1d24-6733-4418-a020-f8d03380d86e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:15:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2022-11-22 00:15:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2022-11-22 00:15:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2022-11-22 00:15:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2022-11-22 00:15:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_init [2022-11-22 00:15:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_init [2022-11-22 00:15:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-11-22 00:15:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-11-22 00:15:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2022-11-22 00:15:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2022-11-22 00:15:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-22 00:15:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-22 00:15:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_round_pot [2022-11-22 00:15:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_round_pot [2022-11-22 00:15:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_get [2022-11-22 00:15:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_get [2022-11-22 00:15:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-22 00:15:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-22 00:15:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2022-11-22 00:15:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2022-11-22 00:15:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2022-11-22 00:15:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2022-11-22 00:15:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2022-11-22 00:15:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2022-11-22 00:15:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2022-11-22 00:15:15,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2022-11-22 00:15:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2022-11-22 00:15:15,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2022-11-22 00:15:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2022-11-22 00:15:15,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2022-11-22 00:15:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2022-11-22 00:15:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2022-11-22 00:15:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2022-11-22 00:15:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2022-11-22 00:15:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2022-11-22 00:15:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2022-11-22 00:15:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 00:15:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 00:15:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-22 00:15:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 00:15:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 00:15:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 00:15:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 00:15:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2022-11-22 00:15:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2022-11-22 00:15:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 00:15:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 00:15:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-22 00:15:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-22 00:15:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 00:15:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 00:15:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2022-11-22 00:15:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2022-11-22 00:15:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-22 00:15:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-22 00:15:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-22 00:15:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-22 00:15:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-22 00:15:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-22 00:15:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:15:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2022-11-22 00:15:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2022-11-22 00:15:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2022-11-22 00:15:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2022-11-22 00:15:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2022-11-22 00:15:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2022-11-22 00:15:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2022-11-22 00:15:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2022-11-22 00:15:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2022-11-22 00:15:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2022-11-22 00:15:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2022-11-22 00:15:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2022-11-22 00:15:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2022-11-22 00:15:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2022-11-22 00:15:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-22 00:15:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-22 00:15:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2022-11-22 00:15:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2022-11-22 00:15:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2022-11-22 00:15:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2022-11-22 00:15:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:15:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_unlock [2022-11-22 00:15:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_unlock [2022-11-22 00:15:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2022-11-22 00:15:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2022-11-22 00:15:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2022-11-22 00:15:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2022-11-22 00:15:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2022-11-22 00:15:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2022-11-22 00:15:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-22 00:15:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-22 00:15:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2022-11-22 00:15:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2022-11-22 00:15:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_evict_mm [2022-11-22 00:15:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_evict_mm [2022-11-22 00:15:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:15:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2022-11-22 00:15:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2022-11-22 00:15:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2022-11-22 00:15:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2022-11-22 00:15:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:15:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 00:15:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2022-11-22 00:15:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2022-11-22 00:15:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2022-11-22 00:15:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2022-11-22 00:15:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2022-11-22 00:15:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2022-11-22 00:15:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-22 00:15:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-22 00:15:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_3d [2022-11-22 00:15:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_3d [2022-11-22 00:15:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2022-11-22 00:15:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2022-11-22 00:15:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-22 00:15:15,097 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-22 00:15:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2022-11-22 00:15:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2022-11-22 00:15:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 00:15:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 00:15:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2022-11-22 00:15:15,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2022-11-22 00:15:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-22 00:15:15,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-22 00:15:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2022-11-22 00:15:15,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2022-11-22 00:15:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2022-11-22 00:15:15,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2022-11-22 00:15:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-22 00:15:15,106 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-22 00:15:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:15:15,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:15:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2022-11-22 00:15:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2022-11-22 00:15:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2022-11-22 00:15:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2022-11-22 00:15:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2022-11-22 00:15:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2022-11-22 00:15:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2022-11-22 00:15:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2022-11-22 00:15:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 00:15:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2022-11-22 00:15:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2022-11-22 00:15:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-22 00:15:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-22 00:15:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2022-11-22 00:15:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2022-11-22 00:15:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-22 00:15:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-22 00:15:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-22 00:15:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-22 00:15:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_attach_encoder [2022-11-22 00:15:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_attach_encoder [2022-11-22 00:15:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2022-11-22 00:15:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2022-11-22 00:15:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 00:15:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 00:15:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2022-11-22 00:15:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2022-11-22 00:15:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 00:15:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 00:15:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 00:15:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 00:15:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_crtc_set_gamma_size [2022-11-22 00:15:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_crtc_set_gamma_size [2022-11-22 00:15:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2022-11-22 00:15:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2022-11-22 00:15:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2022-11-22 00:15:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2022-11-22 00:15:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_attach_property [2022-11-22 00:15:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_attach_property [2022-11-22 00:15:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-22 00:15:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-22 00:15:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2022-11-22 00:15:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2022-11-22 00:15:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:15:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 00:15:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 00:15:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-22 00:15:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:15:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-22 00:15:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-22 00:15:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-22 00:15:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-22 00:15:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2022-11-22 00:15:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2022-11-22 00:15:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-22 00:15:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-22 00:15:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 00:15:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 00:15:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-22 00:15:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-22 00:15:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2022-11-22 00:15:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2022-11-22 00:15:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2022-11-22 00:15:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2022-11-22 00:15:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-22 00:15:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-22 00:15:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2022-11-22 00:15:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2022-11-22 00:15:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-22 00:15:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-22 00:15:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2022-11-22 00:15:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2022-11-22 00:15:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 00:15:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 00:15:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2022-11-22 00:15:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2022-11-22 00:15:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2022-11-22 00:15:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_dirty_mark [2022-11-22 00:15:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_dirty_mark [2022-11-22 00:15:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-22 00:15:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-22 00:15:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-22 00:15:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-22 00:15:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2022-11-22 00:15:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2022-11-22 00:15:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2022-11-22 00:15:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2022-11-22 00:15:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2022-11-22 00:15:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2022-11-22 00:15:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:15:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2022-11-22 00:15:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2022-11-22 00:15:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_du_connector_detect [2022-11-22 00:15:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_du_connector_detect [2022-11-22 00:15:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-22 00:15:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-22 00:15:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 00:15:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 00:15:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2022-11-22 00:15:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2022-11-22 00:15:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2022-11-22 00:15:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2022-11-22 00:15:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2022-11-22 00:15:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2022-11-22 00:15:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-22 00:15:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-22 00:15:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2022-11-22 00:15:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2022-11-22 00:15:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2022-11-22 00:15:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2022-11-22 00:15:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_save_vga [2022-11-22 00:15:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_save_vga [2022-11-22 00:15:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-22 00:15:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-22 00:15:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2022-11-22 00:15:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2022-11-22 00:15:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2022-11-22 00:15:15,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2022-11-22 00:15:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2022-11-22 00:15:15,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2022-11-22 00:15:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-22 00:15:15,130 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-22 00:15:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 00:15:15,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 00:15:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-22 00:15:15,131 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-22 00:15:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2022-11-22 00:15:15,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2022-11-22 00:15:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2022-11-22 00:15:15,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2022-11-22 00:15:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2022-11-22 00:15:15,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2022-11-22 00:15:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2022-11-22 00:15:15,132 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2022-11-22 00:15:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 00:15:15,132 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 00:15:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-11-22 00:15:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-11-22 00:15:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2022-11-22 00:15:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2022-11-22 00:15:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-22 00:15:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-22 00:15:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 00:15:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 00:15:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2022-11-22 00:15:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2022-11-22 00:15:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2022-11-22 00:15:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2022-11-22 00:15:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2022-11-22 00:15:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2022-11-22 00:15:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2022-11-22 00:15:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2022-11-22 00:15:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-11-22 00:15:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-11-22 00:15:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 00:15:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 00:15:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2022-11-22 00:15:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2022-11-22 00:15:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2022-11-22 00:15:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2022-11-22 00:15:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-22 00:15:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-22 00:15:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2022-11-22 00:15:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2022-11-22 00:15:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2022-11-22 00:15:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2022-11-22 00:15:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 00:15:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 00:15:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2022-11-22 00:15:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2022-11-22 00:15:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2022-11-22 00:15:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2022-11-22 00:15:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2022-11-22 00:15:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2022-11-22 00:15:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2022-11-22 00:15:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2022-11-22 00:15:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-22 00:15:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-22 00:15:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-22 00:15:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-22 00:15:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2022-11-22 00:15:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2022-11-22 00:15:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:15:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-22 00:15:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-22 00:15:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2022-11-22 00:15:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2022-11-22 00:15:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-22 00:15:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-22 00:15:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2022-11-22 00:15:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2022-11-22 00:15:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 00:15:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2022-11-22 00:15:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2022-11-22 00:15:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 00:15:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 00:15:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-22 00:15:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-22 00:15:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 00:15:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2022-11-22 00:15:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2022-11-22 00:15:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2022-11-22 00:15:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2022-11-22 00:15:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-22 00:15:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-22 00:15:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2022-11-22 00:15:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2022-11-22 00:15:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 00:15:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 00:15:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2022-11-22 00:15:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2022-11-22 00:15:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2022-11-22 00:15:15,143 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2022-11-22 00:15:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2022-11-22 00:15:15,143 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2022-11-22 00:15:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2022-11-22 00:15:15,143 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2022-11-22 00:15:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-22 00:15:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-22 00:15:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 00:15:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 00:15:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-22 00:15:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-22 00:15:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2022-11-22 00:15:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2022-11-22 00:15:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2022-11-22 00:15:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2022-11-22 00:15:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2022-11-22 00:15:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2022-11-22 00:15:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2022-11-22 00:15:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2022-11-22 00:15:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-22 00:15:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-22 00:15:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:15:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:15:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:15:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:15:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_lock [2022-11-22 00:15:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_lock [2022-11-22 00:15:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2022-11-22 00:15:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2022-11-22 00:15:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2022-11-22 00:15:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2022-11-22 00:15:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2022-11-22 00:15:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2022-11-22 00:15:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2022-11-22 00:15:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2022-11-22 00:15:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2022-11-22 00:15:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2022-11-22 00:15:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2022-11-22 00:15:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-22 00:15:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-22 00:15:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2022-11-22 00:15:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2022-11-22 00:15:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-22 00:15:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-22 00:15:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-22 00:15:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-22 00:15:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-22 00:15:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-22 00:15:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-22 00:15:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-22 00:15:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2022-11-22 00:15:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2022-11-22 00:15:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2022-11-22 00:15:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2022-11-22 00:15:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_init [2022-11-22 00:15:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_init [2022-11-22 00:15:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-22 00:15:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-22 00:15:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 00:15:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure drm_encoder_init [2022-11-22 00:15:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_encoder_init [2022-11-22 00:15:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2022-11-22 00:15:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2022-11-22 00:15:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2022-11-22 00:15:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2022-11-22 00:15:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_lock_set_kill [2022-11-22 00:15:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_lock_set_kill [2022-11-22 00:15:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2022-11-22 00:15:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2022-11-22 00:15:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2022-11-22 00:15:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2022-11-22 00:15:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-22 00:15:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-22 00:15:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2022-11-22 00:15:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2022-11-22 00:15:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2022-11-22 00:15:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2022-11-22 00:15:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2022-11-22 00:15:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2022-11-22 00:15:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 00:15:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 00:15:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 00:15:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 00:15:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2022-11-22 00:15:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2022-11-22 00:15:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2022-11-22 00:15:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2022-11-22 00:15:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master_init [2022-11-22 00:15:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master_init [2022-11-22 00:15:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-22 00:15:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-22 00:15:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-22 00:15:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-22 00:15:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2022-11-22 00:15:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2022-11-22 00:15:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_init [2022-11-22 00:15:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_init [2022-11-22 00:15:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2022-11-22 00:15:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2022-11-22 00:15:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2022-11-22 00:15:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2022-11-22 00:15:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2022-11-22 00:15:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2022-11-22 00:15:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:15:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-22 00:15:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-22 00:15:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2022-11-22 00:15:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2022-11-22 00:15:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-22 00:15:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-22 00:15:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-22 00:15:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2022-11-22 00:15:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2022-11-22 00:15:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2022-11-22 00:15:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2022-11-22 00:15:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2022-11-22 00:15:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2022-11-22 00:15:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2022-11-22 00:15:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2022-11-22 00:15:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_init_mm [2022-11-22 00:15:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_init_mm [2022-11-22 00:15:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2022-11-22 00:15:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2022-11-22 00:15:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2022-11-22 00:15:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2022-11-22 00:15:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2022-11-22 00:15:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2022-11-22 00:15:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2022-11-22 00:15:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2022-11-22 00:15:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2022-11-22 00:15:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2022-11-22 00:15:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 00:15:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 00:15:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2022-11-22 00:15:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2022-11-22 00:15:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2022-11-22 00:15:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2022-11-22 00:15:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2022-11-22 00:15:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2022-11-22 00:15:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2022-11-22 00:15:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2022-11-22 00:15:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2022-11-22 00:15:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2022-11-22 00:15:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2022-11-22 00:15:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2022-11-22 00:15:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-22 00:15:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-22 00:15:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2022-11-22 00:15:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2022-11-22 00:15:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-22 00:15:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-22 00:15:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-11-22 00:15:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-11-22 00:15:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2022-11-22 00:15:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2022-11-22 00:15:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2022-11-22 00:15:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2022-11-22 00:15:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2022-11-22 00:15:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2022-11-22 00:15:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2022-11-22 00:15:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2022-11-22 00:15:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2022-11-22 00:15:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2022-11-22 00:15:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2022-11-22 00:15:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2022-11-22 00:15:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_init [2022-11-22 00:15:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_init [2022-11-22 00:15:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-22 00:15:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-22 00:15:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2022-11-22 00:15:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2022-11-22 00:15:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2022-11-22 00:15:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2022-11-22 00:15:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2022-11-22 00:15:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2022-11-22 00:15:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 00:15:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 00:15:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2022-11-22 00:15:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2022-11-22 00:15:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-22 00:15:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-22 00:15:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:15:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 00:15:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 00:15:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_create_dirty_info_property [2022-11-22 00:15:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_create_dirty_info_property [2022-11-22 00:15:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-22 00:15:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-22 00:15:16,657 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:15:16,664 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:16:19,553 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:16:22,367 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:16:22,368 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 00:16:22,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:16:22 BoogieIcfgContainer [2022-11-22 00:16:22,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:16:22,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:16:22,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:16:22,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:16:22,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:15:01" (1/3) ... [2022-11-22 00:16:22,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de7c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:16:22, skipping insertion in model container [2022-11-22 00:16:22,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:13" (2/3) ... [2022-11-22 00:16:22,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de7c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:16:22, skipping insertion in model container [2022-11-22 00:16:22,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:16:22" (3/3) ... [2022-11-22 00:16:22,388 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-22 00:16:22,409 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:16:22,409 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 00:16:22,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:16:22,550 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4357a746, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:16:22,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 00:16:22,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 3448 states, 1937 states have (on average 1.2638100154878678) internal successors, (2448), 2070 states have internal predecessors, (2448), 1254 states have call successors, (1254), 255 states have call predecessors, (1254), 255 states have return successors, (1254), 1227 states have call predecessors, (1254), 1254 states have call successors, (1254) [2022-11-22 00:16:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 00:16:22,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:16:22,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:16:22,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:16:22,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:16:22,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1787427527, now seen corresponding path program 1 times [2022-11-22 00:16:22,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:16:22,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553599130] [2022-11-22 00:16:22,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:16:22,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:16:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:16:23,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:16:23,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:16:23,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553599130] [2022-11-22 00:16:23,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553599130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:16:23,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:16:23,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:16:24,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331487726] [2022-11-22 00:16:24,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:16:24,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:16:24,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:16:24,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:16:24,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:16:24,047 INFO L87 Difference]: Start difference. First operand has 3448 states, 1937 states have (on average 1.2638100154878678) internal successors, (2448), 2070 states have internal predecessors, (2448), 1254 states have call successors, (1254), 255 states have call predecessors, (1254), 255 states have return successors, (1254), 1227 states have call predecessors, (1254), 1254 states have call successors, (1254) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:16:25,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:27,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:32,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:34,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:35,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:38,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:16:41,016 INFO L93 Difference]: Finished difference Result 10187 states and 15384 transitions. [2022-11-22 00:16:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:16:41,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2022-11-22 00:16:41,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:16:41,113 INFO L225 Difference]: With dead ends: 10187 [2022-11-22 00:16:41,114 INFO L226 Difference]: Without dead ends: 6685 [2022-11-22 00:16:41,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:16:41,169 INFO L413 NwaCegarLoop]: 6170 mSDtfsCounter, 4964 mSDsluCounter, 4597 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4966 SdHoareTripleChecker+Valid, 10767 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:16:41,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4966 Valid, 10767 Invalid, 682 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 674 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2022-11-22 00:16:41,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6685 states. [2022-11-22 00:16:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6685 to 6666. [2022-11-22 00:16:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6666 states, 3735 states have (on average 1.2492637215528781) internal successors, (4666), 3967 states have internal predecessors, (4666), 2430 states have call successors, (2430), 504 states have call predecessors, (2430), 500 states have return successors, (2666), 2344 states have call predecessors, (2666), 2400 states have call successors, (2666) [2022-11-22 00:16:41,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 9762 transitions. [2022-11-22 00:16:41,835 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 9762 transitions. Word has length 13 [2022-11-22 00:16:41,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:16:41,836 INFO L495 AbstractCegarLoop]: Abstraction has 6666 states and 9762 transitions. [2022-11-22 00:16:41,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:16:41,836 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 9762 transitions. [2022-11-22 00:16:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 00:16:41,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:16:41,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:16:41,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:16:41,839 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:16:41,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:16:41,840 INFO L85 PathProgramCache]: Analyzing trace with hash 421152271, now seen corresponding path program 1 times [2022-11-22 00:16:41,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:16:41,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590119818] [2022-11-22 00:16:41,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:16:41,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:16:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:16:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:16:42,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:16:42,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590119818] [2022-11-22 00:16:42,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590119818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:16:42,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:16:42,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:16:42,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406048636] [2022-11-22 00:16:42,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:16:42,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:16:42,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:16:42,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:16:42,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:16:42,641 INFO L87 Difference]: Start difference. First operand 6666 states and 9762 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:16:44,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:47,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:50,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:53,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:54,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:16:54,863 INFO L93 Difference]: Finished difference Result 6783 states and 9904 transitions. [2022-11-22 00:16:54,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:16:54,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2022-11-22 00:16:54,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:16:54,907 INFO L225 Difference]: With dead ends: 6783 [2022-11-22 00:16:54,907 INFO L226 Difference]: Without dead ends: 6780 [2022-11-22 00:16:54,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:16:54,913 INFO L413 NwaCegarLoop]: 4564 mSDtfsCounter, 4846 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4849 SdHoareTripleChecker+Valid, 4683 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-22 00:16:54,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4849 Valid, 4683 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 350 Invalid, 3 Unknown, 0 Unchecked, 11.8s Time] [2022-11-22 00:16:54,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6780 states. [2022-11-22 00:16:55,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6780 to 6773. [2022-11-22 00:16:55,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6773 states, 3796 states have (on average 1.2484193888303476) internal successors, (4739), 4032 states have internal predecessors, (4739), 2458 states have call successors, (2458), 521 states have call predecessors, (2458), 518 states have return successors, (2697), 2373 states have call predecessors, (2697), 2429 states have call successors, (2697) [2022-11-22 00:16:55,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6773 states to 6773 states and 9894 transitions. [2022-11-22 00:16:55,379 INFO L78 Accepts]: Start accepts. Automaton has 6773 states and 9894 transitions. Word has length 14 [2022-11-22 00:16:55,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:16:55,380 INFO L495 AbstractCegarLoop]: Abstraction has 6773 states and 9894 transitions. [2022-11-22 00:16:55,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:16:55,380 INFO L276 IsEmpty]: Start isEmpty. Operand 6773 states and 9894 transitions. [2022-11-22 00:16:55,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 00:16:55,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:16:55,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:16:55,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:16:55,382 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:16:55,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:16:55,382 INFO L85 PathProgramCache]: Analyzing trace with hash 167654140, now seen corresponding path program 1 times [2022-11-22 00:16:55,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:16:55,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532336980] [2022-11-22 00:16:55,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:16:55,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:16:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:16:56,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:16:56,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:16:56,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532336980] [2022-11-22 00:16:56,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532336980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:16:56,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:16:56,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:16:56,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261498315] [2022-11-22 00:16:56,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:16:56,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:16:56,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:16:56,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:16:56,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:16:56,095 INFO L87 Difference]: Start difference. First operand 6773 states and 9894 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:16:57,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:59,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:04,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:09,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:11,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:17:11,584 INFO L93 Difference]: Finished difference Result 13378 states and 20641 transitions. [2022-11-22 00:17:11,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:17:11,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2022-11-22 00:17:11,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:17:11,697 INFO L225 Difference]: With dead ends: 13378 [2022-11-22 00:17:11,698 INFO L226 Difference]: Without dead ends: 13374 [2022-11-22 00:17:11,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:17:11,710 INFO L413 NwaCegarLoop]: 6007 mSDtfsCounter, 4974 mSDsluCounter, 4638 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4976 SdHoareTripleChecker+Valid, 10645 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:17:11,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4976 Valid, 10645 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 658 Invalid, 3 Unknown, 0 Unchecked, 14.9s Time] [2022-11-22 00:17:11,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13374 states. [2022-11-22 00:17:12,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13374 to 13349. [2022-11-22 00:17:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13349 states, 7493 states have (on average 1.2480982250100094) internal successors, (9352), 7937 states have internal predecessors, (9352), 4842 states have call successors, (4842), 1020 states have call predecessors, (4842), 1013 states have return successors, (6417), 4695 states have call predecessors, (6417), 4811 states have call successors, (6417) [2022-11-22 00:17:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13349 states to 13349 states and 20611 transitions. [2022-11-22 00:17:12,916 INFO L78 Accepts]: Start accepts. Automaton has 13349 states and 20611 transitions. Word has length 15 [2022-11-22 00:17:12,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:17:12,919 INFO L495 AbstractCegarLoop]: Abstraction has 13349 states and 20611 transitions. [2022-11-22 00:17:12,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:17:12,920 INFO L276 IsEmpty]: Start isEmpty. Operand 13349 states and 20611 transitions. [2022-11-22 00:17:12,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 00:17:12,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:17:12,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:17:12,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:17:12,921 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:17:12,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:17:12,924 INFO L85 PathProgramCache]: Analyzing trace with hash 899151538, now seen corresponding path program 1 times [2022-11-22 00:17:12,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:17:12,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596394427] [2022-11-22 00:17:12,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:17:12,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:17:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:17:13,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:17:13,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:17:13,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596394427] [2022-11-22 00:17:13,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596394427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:17:13,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:17:13,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:17:13,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861505198] [2022-11-22 00:17:13,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:17:13,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:17:13,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:17:13,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:17:13,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:17:13,572 INFO L87 Difference]: Start difference. First operand 13349 states and 20611 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:17:15,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:19,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:22,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:25,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:27,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:17:27,846 INFO L93 Difference]: Finished difference Result 39099 states and 69049 transitions. [2022-11-22 00:17:27,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:17:27,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2022-11-22 00:17:27,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:17:28,053 INFO L225 Difference]: With dead ends: 39099 [2022-11-22 00:17:28,054 INFO L226 Difference]: Without dead ends: 25757 [2022-11-22 00:17:28,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:17:28,217 INFO L413 NwaCegarLoop]: 5973 mSDtfsCounter, 4736 mSDsluCounter, 4607 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4736 SdHoareTripleChecker+Valid, 10580 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:17:28,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4736 Valid, 10580 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 664 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2022-11-22 00:17:28,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25757 states. [2022-11-22 00:17:30,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25757 to 25718. [2022-11-22 00:17:30,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25718 states, 14432 states have (on average 1.2466740576496673) internal successors, (17992), 15297 states have internal predecessors, (17992), 9293 states have call successors, (9293), 2010 states have call predecessors, (9293), 1992 states have return successors, (16783), 8994 states have call predecessors, (16783), 9221 states have call successors, (16783) [2022-11-22 00:17:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25718 states to 25718 states and 44068 transitions. [2022-11-22 00:17:31,183 INFO L78 Accepts]: Start accepts. Automaton has 25718 states and 44068 transitions. Word has length 16 [2022-11-22 00:17:31,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:17:31,183 INFO L495 AbstractCegarLoop]: Abstraction has 25718 states and 44068 transitions. [2022-11-22 00:17:31,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:17:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 25718 states and 44068 transitions. [2022-11-22 00:17:31,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 00:17:31,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:17:31,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:17:31,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:17:31,188 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:17:31,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:17:31,188 INFO L85 PathProgramCache]: Analyzing trace with hash 2100739263, now seen corresponding path program 1 times [2022-11-22 00:17:31,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:17:31,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667238242] [2022-11-22 00:17:31,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:17:31,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:17:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:17:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:17:31,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:17:31,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667238242] [2022-11-22 00:17:31,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667238242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:17:31,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:17:31,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:17:31,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565256164] [2022-11-22 00:17:31,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:17:31,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:17:31,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:17:31,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:17:31,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:17:31,824 INFO L87 Difference]: Start difference. First operand 25718 states and 44068 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:17:34,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:35,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:38,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:43,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:46,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:17:46,493 INFO L93 Difference]: Finished difference Result 51006 states and 104408 transitions. [2022-11-22 00:17:46,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:17:46,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-11-22 00:17:46,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:17:47,151 INFO L225 Difference]: With dead ends: 51006 [2022-11-22 00:17:47,159 INFO L226 Difference]: Without dead ends: 51002 [2022-11-22 00:17:47,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:17:47,192 INFO L413 NwaCegarLoop]: 5964 mSDtfsCounter, 4941 mSDsluCounter, 4644 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4943 SdHoareTripleChecker+Valid, 10608 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-22 00:17:47,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4943 Valid, 10608 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 655 Invalid, 3 Unknown, 0 Unchecked, 12.7s Time] [2022-11-22 00:17:47,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51002 states. [2022-11-22 00:17:51,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51002 to 50971. [2022-11-22 00:17:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50971 states, 28625 states have (on average 1.2466026200873364) internal successors, (35684), 30314 states have internal predecessors, (35684), 18405 states have call successors, (18405), 3990 states have call predecessors, (18405), 3940 states have return successors, (50277), 17822 states have call predecessors, (50277), 18289 states have call successors, (50277) [2022-11-22 00:17:53,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50971 states to 50971 states and 104366 transitions. [2022-11-22 00:17:53,279 INFO L78 Accepts]: Start accepts. Automaton has 50971 states and 104366 transitions. Word has length 17 [2022-11-22 00:17:53,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:17:53,280 INFO L495 AbstractCegarLoop]: Abstraction has 50971 states and 104366 transitions. [2022-11-22 00:17:53,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:17:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 50971 states and 104366 transitions. [2022-11-22 00:17:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 00:17:53,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:17:53,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:17:53,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:17:53,282 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:17:53,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:17:53,282 INFO L85 PathProgramCache]: Analyzing trace with hash 695257941, now seen corresponding path program 1 times [2022-11-22 00:17:53,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:17:53,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656649769] [2022-11-22 00:17:53,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:17:53,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:17:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:17:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:17:54,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:17:54,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656649769] [2022-11-22 00:17:54,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656649769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:17:54,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:17:54,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:17:54,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202644116] [2022-11-22 00:17:54,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:17:54,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:17:54,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:17:54,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:17:54,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:17:54,004 INFO L87 Difference]: Start difference. First operand 50971 states and 104366 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 00:17:55,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:57,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:18:01,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:18:05,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:18:12,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:18:12,577 INFO L93 Difference]: Finished difference Result 94410 states and 257999 transitions. [2022-11-22 00:18:12,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:18:12,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-11-22 00:18:12,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:18:14,064 INFO L225 Difference]: With dead ends: 94410 [2022-11-22 00:18:14,064 INFO L226 Difference]: Without dead ends: 94406 [2022-11-22 00:18:14,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:18:14,145 INFO L413 NwaCegarLoop]: 5728 mSDtfsCounter, 4699 mSDsluCounter, 4187 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4699 SdHoareTripleChecker+Valid, 9915 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:18:14,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4699 Valid, 9915 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 624 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-11-22 00:18:14,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94406 states.