./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c --- 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-6b4ec56 [2022-11-20 09:27:07,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:07,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:07,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:07,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:07,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:07,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:07,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:07,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:07,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:07,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:07,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:07,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:07,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:07,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:07,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:07,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:07,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:07,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:07,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:07,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:07,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:07,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:07,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:07,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:07,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:07,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:07,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:07,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:07,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:07,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:07,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:07,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:07,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:07,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:07,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:07,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:07,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:07,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:07,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:07,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:07,942 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 09:27:07,969 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:07,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:07,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:07,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:07,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:07,971 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:07,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:07,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:07,972 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:07,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:07,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:07,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:07,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:07,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:07,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:07,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:07,974 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:07,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:07,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:07,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:07,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:07,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:07,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:07,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:07,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:07,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:07,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:27:07,976 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:07,977 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:07,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:07,977 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_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c [2022-11-20 09:27:08,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:08,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:08,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:08,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:08,321 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:08,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-20 09:27:11,370 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:12,247 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:12,247 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-20 09:27:12,331 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/data/e3099265a/315241bc66e343039245d3987c7fbd7f/FLAG5c060fe62 [2022-11-20 09:27:12,352 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/data/e3099265a/315241bc66e343039245d3987c7fbd7f [2022-11-20 09:27:12,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:12,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:12,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:12,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:12,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:12,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba713bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:12, skipping insertion in model container [2022-11-20 09:27:12,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:12" (1/1) ... [2022-11-20 09:27:12,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:12,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:22,227 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_84c5bde4-3f72-4259-8962-a718cbbca0bf/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-20 09:27:22,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:22,818 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:23,737 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_84c5bde4-3f72-4259-8962-a718cbbca0bf/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-20 09:27:23,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:24,428 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:24,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24 WrapperNode [2022-11-20 09:27:24,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:24,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:24,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:24,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:24,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (1/1) ... [2022-11-20 09:27:24,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (1/1) ... [2022-11-20 09:27:25,035 INFO L138 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 360, calls inlined = 140, statements flattened = 6920 [2022-11-20 09:27:25,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:25,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:25,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:25,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:25,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (1/1) ... [2022-11-20 09:27:25,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (1/1) ... [2022-11-20 09:27:25,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (1/1) ... [2022-11-20 09:27:25,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (1/1) ... [2022-11-20 09:27:25,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (1/1) ... [2022-11-20 09:27:25,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (1/1) ... [2022-11-20 09:27:25,448 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (1/1) ... [2022-11-20 09:27:25,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (1/1) ... [2022-11-20 09:27:25,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:25,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:25,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:25,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:25,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (1/1) ... [2022-11-20 09:27:25,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:25,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:25,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:25,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c5bde4-3f72-4259-8962-a718cbbca0bf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2022-11-20 09:27:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2022-11-20 09:27:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2022-11-20 09:27:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2022-11-20 09:27:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-11-20 09:27:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-11-20 09:27:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2022-11-20 09:27:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2022-11-20 09:27:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-20 09:27:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-20 09:27:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 09:27:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 09:27:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2022-11-20 09:27:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2022-11-20 09:27:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2022-11-20 09:27:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2022-11-20 09:27:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2022-11-20 09:27:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2022-11-20 09:27:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2022-11-20 09:27:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2022-11-20 09:27:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2022-11-20 09:27:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2022-11-20 09:27:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2022-11-20 09:27:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2022-11-20 09:27:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2022-11-20 09:27:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2022-11-20 09:27:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2022-11-20 09:27:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2022-11-20 09:27:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2022-11-20 09:27:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2022-11-20 09:27:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 09:27:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 09:27:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-20 09:27:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 09:27:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 09:27:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 09:27:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 09:27:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2022-11-20 09:27:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2022-11-20 09:27:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 09:27:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 09:27:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-20 09:27:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-20 09:27:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 09:27:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 09:27:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2022-11-20 09:27:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2022-11-20 09:27:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-20 09:27:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-20 09:27:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-20 09:27:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-20 09:27:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-20 09:27:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-20 09:27:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:27:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2022-11-20 09:27:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2022-11-20 09:27:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2022-11-20 09:27:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2022-11-20 09:27:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2022-11-20 09:27:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2022-11-20 09:27:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2022-11-20 09:27:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2022-11-20 09:27:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2022-11-20 09:27:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2022-11-20 09:27:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2022-11-20 09:27:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2022-11-20 09:27:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2022-11-20 09:27:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2022-11-20 09:27:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-20 09:27:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-20 09:27:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2022-11-20 09:27:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2022-11-20 09:27:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2022-11-20 09:27:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2022-11-20 09:27:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:27:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2022-11-20 09:27:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2022-11-20 09:27:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2022-11-20 09:27:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2022-11-20 09:27:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2022-11-20 09:27:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2022-11-20 09:27:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-20 09:27:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-20 09:27:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2022-11-20 09:27:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2022-11-20 09:27:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:27:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2022-11-20 09:27:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2022-11-20 09:27:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2022-11-20 09:27:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2022-11-20 09:27:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:27:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 09:27:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2022-11-20 09:27:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2022-11-20 09:27:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2022-11-20 09:27:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2022-11-20 09:27:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2022-11-20 09:27:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2022-11-20 09:27:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-20 09:27:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-20 09:27:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2022-11-20 09:27:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2022-11-20 09:27:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-20 09:27:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-20 09:27:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2022-11-20 09:27:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2022-11-20 09:27:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 09:27:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 09:27:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2022-11-20 09:27:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2022-11-20 09:27:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-20 09:27:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-20 09:27:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2022-11-20 09:27:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2022-11-20 09:27:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2022-11-20 09:27:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2022-11-20 09:27:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-20 09:27:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-20 09:27:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2022-11-20 09:27:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2022-11-20 09:27:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2022-11-20 09:27:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2022-11-20 09:27:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2022-11-20 09:27:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2022-11-20 09:27:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2022-11-20 09:27:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2022-11-20 09:27:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 09:27:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2022-11-20 09:27:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2022-11-20 09:27:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-20 09:27:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-20 09:27:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2022-11-20 09:27:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2022-11-20 09:27:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 09:27:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 09:27:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-20 09:27:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-20 09:27:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2022-11-20 09:27:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2022-11-20 09:27:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 09:27:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 09:27:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2022-11-20 09:27:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2022-11-20 09:27:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 09:27:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 09:27:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 09:27:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 09:27:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2022-11-20 09:27:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2022-11-20 09:27:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2022-11-20 09:27:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2022-11-20 09:27:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 09:27:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 09:27:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2022-11-20 09:27:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2022-11-20 09:27:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:27:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 09:27:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 09:27:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-20 09:27:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:27:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-20 09:27:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-20 09:27:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-20 09:27:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-20 09:27:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2022-11-20 09:27:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2022-11-20 09:27:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-20 09:27:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-20 09:27:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 09:27:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 09:27:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 09:27:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 09:27:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2022-11-20 09:27:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2022-11-20 09:27:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2022-11-20 09:27:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2022-11-20 09:27:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-20 09:27:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-20 09:27:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2022-11-20 09:27:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2022-11-20 09:27:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-20 09:27:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-20 09:27:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2022-11-20 09:27:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2022-11-20 09:27:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 09:27:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 09:27:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2022-11-20 09:27:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2022-11-20 09:27:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2022-11-20 09:27:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-20 09:27:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-20 09:27:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-20 09:27:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-20 09:27:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2022-11-20 09:27:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2022-11-20 09:27:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2022-11-20 09:27:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2022-11-20 09:27:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2022-11-20 09:27:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2022-11-20 09:27:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:27:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2022-11-20 09:27:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2022-11-20 09:27:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-20 09:27:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-20 09:27:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 09:27:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 09:27:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2022-11-20 09:27:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2022-11-20 09:27:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2022-11-20 09:27:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2022-11-20 09:27:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2022-11-20 09:27:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2022-11-20 09:27:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-20 09:27:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-20 09:27:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2022-11-20 09:27:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2022-11-20 09:27:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2022-11-20 09:27:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2022-11-20 09:27:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 09:27:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 09:27:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2022-11-20 09:27:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2022-11-20 09:27:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2022-11-20 09:27:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2022-11-20 09:27:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2022-11-20 09:27:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2022-11-20 09:27:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-20 09:27:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-20 09:27:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 09:27:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 09:27:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-20 09:27:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-20 09:27:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2022-11-20 09:27:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2022-11-20 09:27:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2022-11-20 09:27:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2022-11-20 09:27:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2022-11-20 09:27:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2022-11-20 09:27:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2022-11-20 09:27:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2022-11-20 09:27:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 09:27:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 09:27:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2022-11-20 09:27:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2022-11-20 09:27:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-20 09:27:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-20 09:27:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 09:27:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 09:27:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2022-11-20 09:27:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2022-11-20 09:27:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2022-11-20 09:27:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2022-11-20 09:27:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2022-11-20 09:27:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2022-11-20 09:27:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2022-11-20 09:27:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2022-11-20 09:27:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-11-20 09:27:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-11-20 09:27:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 09:27:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 09:27:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2022-11-20 09:27:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2022-11-20 09:27:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2022-11-20 09:27:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2022-11-20 09:27:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2022-11-20 09:27:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2022-11-20 09:27:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2022-11-20 09:27:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2022-11-20 09:27:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 09:27:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 09:27:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2022-11-20 09:27:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2022-11-20 09:27:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2022-11-20 09:27:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2022-11-20 09:27:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2022-11-20 09:27:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2022-11-20 09:27:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 09:27:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 09:27:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-20 09:27:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-20 09:27:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2022-11-20 09:27:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2022-11-20 09:27:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:27:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 09:27:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 09:27:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2022-11-20 09:27:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2022-11-20 09:27:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-20 09:27:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-20 09:27:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2022-11-20 09:27:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2022-11-20 09:27:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 09:27:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2022-11-20 09:27:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2022-11-20 09:27:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 09:27:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 09:27:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-20 09:27:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-20 09:27:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 09:27:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2022-11-20 09:27:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2022-11-20 09:27:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2022-11-20 09:27:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2022-11-20 09:27:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-20 09:27:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-20 09:27:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2022-11-20 09:27:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2022-11-20 09:27:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 09:27:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 09:27:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2022-11-20 09:27:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2022-11-20 09:27:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2022-11-20 09:27:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2022-11-20 09:27:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2022-11-20 09:27:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2022-11-20 09:27:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2022-11-20 09:27:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2022-11-20 09:27:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 09:27:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 09:27:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 09:27:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 09:27:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-20 09:27:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-20 09:27:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2022-11-20 09:27:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2022-11-20 09:27:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2022-11-20 09:27:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2022-11-20 09:27:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2022-11-20 09:27:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2022-11-20 09:27:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2022-11-20 09:27:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2022-11-20 09:27:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-20 09:27:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-20 09:27:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 09:27:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 09:27:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-20 09:27:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-20 09:27:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2022-11-20 09:27:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2022-11-20 09:27:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2022-11-20 09:27:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2022-11-20 09:27:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2022-11-20 09:27:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2022-11-20 09:27:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2022-11-20 09:27:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2022-11-20 09:27:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2022-11-20 09:27:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2022-11-20 09:27:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2022-11-20 09:27:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-20 09:27:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-20 09:27:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2022-11-20 09:27:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2022-11-20 09:27:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-20 09:27:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-20 09:27:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-20 09:27:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-20 09:27:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-20 09:27:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-20 09:27:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2022-11-20 09:27:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2022-11-20 09:27:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2022-11-20 09:27:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2022-11-20 09:27:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-20 09:27:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-20 09:27:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 09:27:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2022-11-20 09:27:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2022-11-20 09:27:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2022-11-20 09:27:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2022-11-20 09:27:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2022-11-20 09:27:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2022-11-20 09:27:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2022-11-20 09:27:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2022-11-20 09:27:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-20 09:27:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-20 09:27:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2022-11-20 09:27:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2022-11-20 09:27:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2022-11-20 09:27:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2022-11-20 09:27:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2022-11-20 09:27:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2022-11-20 09:27:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 09:27:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 09:27:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 09:27:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 09:27:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2022-11-20 09:27:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2022-11-20 09:27:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2022-11-20 09:27:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2022-11-20 09:27:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-20 09:27:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-20 09:27:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 09:27:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 09:27:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2022-11-20 09:27:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2022-11-20 09:27:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2022-11-20 09:27:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2022-11-20 09:27:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2022-11-20 09:27:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2022-11-20 09:27:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2022-11-20 09:27:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2022-11-20 09:27:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:27:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-20 09:27:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-20 09:27:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2022-11-20 09:27:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2022-11-20 09:27:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-20 09:27:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-20 09:27:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-20 09:27:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2022-11-20 09:27:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2022-11-20 09:27:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2022-11-20 09:27:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2022-11-20 09:27:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2022-11-20 09:27:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2022-11-20 09:27:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2022-11-20 09:27:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2022-11-20 09:27:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2022-11-20 09:27:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2022-11-20 09:27:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2022-11-20 09:27:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2022-11-20 09:27:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2022-11-20 09:27:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2022-11-20 09:27:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2022-11-20 09:27:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2022-11-20 09:27:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2022-11-20 09:27:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2022-11-20 09:27:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 09:27:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 09:27:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2022-11-20 09:27:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2022-11-20 09:27:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2022-11-20 09:27:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2022-11-20 09:27:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2022-11-20 09:27:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2022-11-20 09:27:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2022-11-20 09:27:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2022-11-20 09:27:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2022-11-20 09:27:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2022-11-20 09:27:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2022-11-20 09:27:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2022-11-20 09:27:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-20 09:27:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-20 09:27:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2022-11-20 09:27:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2022-11-20 09:27:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-20 09:27:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-20 09:27:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-11-20 09:27:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-11-20 09:27:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2022-11-20 09:27:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2022-11-20 09:27:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2022-11-20 09:27:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2022-11-20 09:27:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2022-11-20 09:27:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2022-11-20 09:27:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2022-11-20 09:27:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2022-11-20 09:27:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2022-11-20 09:27:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2022-11-20 09:27:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2022-11-20 09:27:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2022-11-20 09:27:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-20 09:27:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-20 09:27:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2022-11-20 09:27:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2022-11-20 09:27:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2022-11-20 09:27:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2022-11-20 09:27:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2022-11-20 09:27:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2022-11-20 09:27:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 09:27:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 09:27:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2022-11-20 09:27:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2022-11-20 09:27:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-20 09:27:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-20 09:27:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:27:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 09:27:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 09:27:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-20 09:27:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-20 09:27:27,031 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:27,037 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:28:21,493 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:28:21,515 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:28:21,516 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:28:21,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:28:21 BoogieIcfgContainer [2022-11-20 09:28:21,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:28:21,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:28:21,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:28:21,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:28:21,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:12" (1/3) ... [2022-11-20 09:28:21,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5524e1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:28:21, skipping insertion in model container [2022-11-20 09:28:21,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:24" (2/3) ... [2022-11-20 09:28:21,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5524e1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:28:21, skipping insertion in model container [2022-11-20 09:28:21,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:28:21" (3/3) ... [2022-11-20 09:28:21,531 INFO L112 eAbstractionObserver]: Analyzing ICFG main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-20 09:28:21,549 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:28:21,549 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:28:21,658 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:28:21,667 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=PETRI_NET, 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;@29568a97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:28:21,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:28:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 3050 states, 1858 states have (on average 1.257265877287406) internal successors, (2336), 1977 states have internal predecessors, (2336), 960 states have call successors, (960), 230 states have call predecessors, (960), 230 states have return successors, (960), 931 states have call predecessors, (960), 960 states have call successors, (960) [2022-11-20 09:28:21,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 09:28:21,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:21,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:21,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:21,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:21,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1589666090, now seen corresponding path program 1 times [2022-11-20 09:28:21,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:21,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832333759] [2022-11-20 09:28:21,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:21,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:23,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:28:23,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:23,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832333759] [2022-11-20 09:28:23,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832333759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:23,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:23,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:28:23,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181692647] [2022-11-20 09:28:23,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:23,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:28:23,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:23,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:28:23,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:28:23,223 INFO L87 Difference]: Start difference. First operand has 3050 states, 1858 states have (on average 1.257265877287406) internal successors, (2336), 1977 states have internal predecessors, (2336), 960 states have call successors, (960), 230 states have call predecessors, (960), 230 states have return successors, (960), 931 states have call predecessors, (960), 960 states have call successors, (960) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:28:25,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:28:27,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:28:37,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:28:54,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:29:02,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:29:06,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:29:08,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:29:13,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:29:18,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:29:20,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:29:24,109 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 [] [2022-11-20 09:29:38,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:38,096 INFO L93 Difference]: Finished difference Result 10048 states and 14994 transitions. [2022-11-20 09:29:38,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:29:38,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-20 09:29:38,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:38,187 INFO L225 Difference]: With dead ends: 10048 [2022-11-20 09:29:38,187 INFO L226 Difference]: Without dead ends: 6944 [2022-11-20 09:29:38,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:29:38,238 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 6712 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 10159 mSolverCounterSat, 3614 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7541 SdHoareTripleChecker+Valid, 3031 SdHoareTripleChecker+Invalid, 13784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3614 IncrementalHoareTripleChecker+Valid, 10159 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:38,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7541 Valid, 3031 Invalid, 13784 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3614 Valid, 10159 Invalid, 11 Unknown, 0 Unchecked, 73.2s Time] [2022-11-20 09:29:38,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6944 states. [2022-11-20 09:29:39,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6944 to 6861. [2022-11-20 09:29:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6861 states, 4166 states have (on average 1.2376380220835335) internal successors, (5156), 4413 states have internal predecessors, (5156), 2122 states have call successors, (2122), 453 states have call predecessors, (2122), 572 states have return successors, (2632), 2134 states have call predecessors, (2632), 2092 states have call successors, (2632) [2022-11-20 09:29:39,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6861 states to 6861 states and 9910 transitions. [2022-11-20 09:29:39,271 INFO L78 Accepts]: Start accepts. Automaton has 6861 states and 9910 transitions. Word has length 12 [2022-11-20 09:29:39,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:39,272 INFO L495 AbstractCegarLoop]: Abstraction has 6861 states and 9910 transitions. [2022-11-20 09:29:39,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:29:39,272 INFO L276 IsEmpty]: Start isEmpty. Operand 6861 states and 9910 transitions. [2022-11-20 09:29:39,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 09:29:39,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:39,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:29:39,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:29:39,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:39,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:39,276 INFO L85 PathProgramCache]: Analyzing trace with hash -2036829529, now seen corresponding path program 1 times [2022-11-20 09:29:39,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:39,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257240896] [2022-11-20 09:29:39,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:39,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:40,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:29:40,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:40,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257240896] [2022-11-20 09:29:40,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257240896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:40,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:40,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:29:40,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121204061] [2022-11-20 09:29:40,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:40,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:29:40,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:40,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:29:40,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:29:40,158 INFO L87 Difference]: Start difference. First operand 6861 states and 9910 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:29:42,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:29:44,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:29:54,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:09,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:16,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:18,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:20,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:26,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:29,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:32,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:35,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:52,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:52,755 INFO L93 Difference]: Finished difference Result 13708 states and 19808 transitions. [2022-11-20 09:30:52,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:52,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-20 09:30:52,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:52,845 INFO L225 Difference]: With dead ends: 13708 [2022-11-20 09:30:52,846 INFO L226 Difference]: Without dead ends: 13705 [2022-11-20 09:30:52,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:30:52,855 INFO L413 NwaCegarLoop]: 1615 mSDtfsCounter, 6708 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 9495 mSolverCounterSat, 3782 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7580 SdHoareTripleChecker+Valid, 2651 SdHoareTripleChecker+Invalid, 13287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3782 IncrementalHoareTripleChecker+Valid, 9495 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.9s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:52,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7580 Valid, 2651 Invalid, 13287 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3782 Valid, 9495 Invalid, 10 Unknown, 0 Unchecked, 70.9s Time] [2022-11-20 09:30:52,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13705 states. [2022-11-20 09:30:54,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13705 to 13564. [2022-11-20 09:30:54,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13564 states, 8244 states have (on average 1.2358078602620088) internal successors, (10188), 8708 states have internal predecessors, (10188), 4182 states have call successors, (4182), 896 states have call predecessors, (4182), 1137 states have return successors, (5212), 4237 states have call predecessors, (5212), 4153 states have call successors, (5212) [2022-11-20 09:30:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13564 states to 13564 states and 19582 transitions. [2022-11-20 09:30:54,200 INFO L78 Accepts]: Start accepts. Automaton has 13564 states and 19582 transitions. Word has length 13 [2022-11-20 09:30:54,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:54,200 INFO L495 AbstractCegarLoop]: Abstraction has 13564 states and 19582 transitions. [2022-11-20 09:30:54,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:30:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 13564 states and 19582 transitions. [2022-11-20 09:30:54,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 09:30:54,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:54,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:54,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:30:54,202 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:30:54,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:54,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1280977913, now seen corresponding path program 1 times [2022-11-20 09:30:54,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:54,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609357929] [2022-11-20 09:30:54,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:54,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:30:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:55,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:55,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609357929] [2022-11-20 09:30:55,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609357929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:55,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:55,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:30:55,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987229928] [2022-11-20 09:30:55,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:55,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:55,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:55,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:55,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:55,141 INFO L87 Difference]: Start difference. First operand 13564 states and 19582 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:30:56,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:58,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:31:08,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:31:26,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:31:35,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:31:37,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:31:43,652 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 [] [2022-11-20 09:32:02,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:02,119 INFO L93 Difference]: Finished difference Result 27226 states and 41625 transitions. [2022-11-20 09:32:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:32:02,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-20 09:32:02,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:02,307 INFO L225 Difference]: With dead ends: 27226 [2022-11-20 09:32:02,307 INFO L226 Difference]: Without dead ends: 27222 [2022-11-20 09:32:02,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:32:02,330 INFO L413 NwaCegarLoop]: 1825 mSDtfsCounter, 6877 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 9830 mSolverCounterSat, 3773 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7716 SdHoareTripleChecker+Valid, 3009 SdHoareTripleChecker+Invalid, 13609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3773 IncrementalHoareTripleChecker+Valid, 9830 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:02,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7716 Valid, 3009 Invalid, 13609 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3773 Valid, 9830 Invalid, 6 Unknown, 0 Unchecked, 64.2s Time] [2022-11-20 09:32:02,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27222 states. [2022-11-20 09:32:04,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27222 to 27010. [2022-11-20 09:32:04,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27010 states, 16432 states have (on average 1.2353334956183057) internal successors, (20299), 17332 states have internal predecessors, (20299), 8312 states have call successors, (8312), 1780 states have call predecessors, (8312), 2265 states have return successors, (12608), 8453 states have call predecessors, (12608), 8281 states have call successors, (12608) [2022-11-20 09:32:05,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27010 states to 27010 states and 41219 transitions. [2022-11-20 09:32:05,110 INFO L78 Accepts]: Start accepts. Automaton has 27010 states and 41219 transitions. Word has length 14 [2022-11-20 09:32:05,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:05,110 INFO L495 AbstractCegarLoop]: Abstraction has 27010 states and 41219 transitions. [2022-11-20 09:32:05,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:32:05,111 INFO L276 IsEmpty]: Start isEmpty. Operand 27010 states and 41219 transitions. [2022-11-20 09:32:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 09:32:05,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:05,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:05,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:32:05,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:05,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:05,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1053798378, now seen corresponding path program 1 times [2022-11-20 09:32:05,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:05,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644379905] [2022-11-20 09:32:05,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:05,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:05,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:32:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:05,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:05,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644379905] [2022-11-20 09:32:05,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644379905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:05,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:05,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:32:05,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800374679] [2022-11-20 09:32:05,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:05,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:32:05,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:05,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:32:05,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:32:05,822 INFO L87 Difference]: Start difference. First operand 27010 states and 41219 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:32:07,990 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 [] [2022-11-20 09:32:09,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:32:20,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:32:40,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:32:49,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:32:52,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:32:54,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:32:59,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:33:03,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:33:05,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:33:09,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:33:23,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:23,431 INFO L93 Difference]: Finished difference Result 79613 states and 139865 transitions. [2022-11-20 09:33:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:33:23,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-20 09:33:23,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:24,191 INFO L225 Difference]: With dead ends: 79613 [2022-11-20 09:33:24,191 INFO L226 Difference]: Without dead ends: 52609 [2022-11-20 09:33:24,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:33:24,598 INFO L413 NwaCegarLoop]: 1867 mSDtfsCounter, 6624 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 9692 mSolverCounterSat, 3676 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7405 SdHoareTripleChecker+Valid, 3022 SdHoareTripleChecker+Invalid, 13379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3676 IncrementalHoareTripleChecker+Valid, 9692 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:24,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7405 Valid, 3022 Invalid, 13379 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3676 Valid, 9692 Invalid, 11 Unknown, 0 Unchecked, 72.5s Time] [2022-11-20 09:33:24,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52609 states. [2022-11-20 09:33:29,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52609 to 52215. [2022-11-20 09:33:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52215 states, 31788 states have (on average 1.232855165471247) internal successors, (39190), 33579 states have internal predecessors, (39190), 15929 states have call successors, (15929), 3533 states have call predecessors, (15929), 4497 states have return successors, (33432), 16174 states have call predecessors, (33432), 15813 states have call successors, (33432) [2022-11-20 09:33:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52215 states to 52215 states and 88551 transitions. [2022-11-20 09:33:30,065 INFO L78 Accepts]: Start accepts. Automaton has 52215 states and 88551 transitions. Word has length 15 [2022-11-20 09:33:30,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:30,066 INFO L495 AbstractCegarLoop]: Abstraction has 52215 states and 88551 transitions. [2022-11-20 09:33:30,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:33:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 52215 states and 88551 transitions. [2022-11-20 09:33:30,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 09:33:30,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:30,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:30,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:33:30,069 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:33:30,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:30,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1693795044, now seen corresponding path program 1 times [2022-11-20 09:33:30,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:30,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606556801] [2022-11-20 09:33:30,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:30,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:33:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:31,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:31,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606556801] [2022-11-20 09:33:31,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606556801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:31,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:31,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:33:31,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262033222] [2022-11-20 09:33:31,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:31,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:33:31,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:31,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:33:31,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:33:31,452 INFO L87 Difference]: Start difference. First operand 52215 states and 88551 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:33:33,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:33:34,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:33:46,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:34:06,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:34:12,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:34:18,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:34:21,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:34:26,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:34:30,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:34:32,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:34:36,542 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 [] [2022-11-20 09:34:54,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:54,903 INFO L93 Difference]: Finished difference Result 104392 states and 213169 transitions. [2022-11-20 09:34:54,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:34:54,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-20 09:34:54,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:56,398 INFO L225 Difference]: With dead ends: 104392 [2022-11-20 09:34:56,398 INFO L226 Difference]: Without dead ends: 104388 [2022-11-20 09:34:56,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:34:56,461 INFO L413 NwaCegarLoop]: 1893 mSDtfsCounter, 6810 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 9799 mSolverCounterSat, 3771 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7641 SdHoareTripleChecker+Valid, 3077 SdHoareTripleChecker+Invalid, 13579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3771 IncrementalHoareTripleChecker+Valid, 9799 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:56,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7641 Valid, 3077 Invalid, 13579 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3771 Valid, 9799 Invalid, 9 Unknown, 0 Unchecked, 74.2s Time] [2022-11-20 09:34:56,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104388 states. [2022-11-20 09:35:08,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104388 to 103694. [2022-11-20 09:35:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103694 states, 63163 states have (on average 1.2326836914016117) internal successors, (77860), 66690 states have internal predecessors, (77860), 31585 states have call successors, (31585), 7045 states have call predecessors, (31585), 8945 states have return successors, (101372), 32086 states have call predecessors, (101372), 31381 states have call successors, (101372) [2022-11-20 09:35:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103694 states to 103694 states and 210817 transitions. [2022-11-20 09:35:10,772 INFO L78 Accepts]: Start accepts. Automaton has 103694 states and 210817 transitions. Word has length 16 [2022-11-20 09:35:10,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:10,773 INFO L495 AbstractCegarLoop]: Abstraction has 103694 states and 210817 transitions. [2022-11-20 09:35:10,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:35:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 103694 states and 210817 transitions. [2022-11-20 09:35:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 09:35:10,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:10,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:10,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 09:35:10,775 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:10,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:10,776 INFO L85 PathProgramCache]: Analyzing trace with hash -969840339, now seen corresponding path program 1 times [2022-11-20 09:35:10,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:10,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245555807] [2022-11-20 09:35:10,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:10,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:12,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:35:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:12,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:12,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245555807] [2022-11-20 09:35:12,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245555807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:12,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:12,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:35:12,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843649813] [2022-11-20 09:35:12,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:12,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:35:12,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:12,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:35:12,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:35:12,162 INFO L87 Difference]: Start difference. First operand 103694 states and 210817 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:35:14,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:35:16,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:35:28,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:35:50,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:35:59,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:36:01,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:36:07,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []