./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8 --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 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:10:55,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:10:55,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:10:55,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:10:55,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:10:55,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:10:55,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:10:55,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:10:55,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:10:55,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:10:55,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:10:55,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:10:55,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:10:55,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:10:55,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:10:55,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:10:55,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:10:55,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:10:55,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:10:55,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:10:55,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:10:55,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:10:55,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:10:55,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:10:55,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:10:55,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:10:55,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:10:55,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:10:55,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:10:55,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:10:55,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:10:55,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:10:55,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:10:55,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:10:55,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:10:55,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:10:55,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:10:55,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:10:55,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:10:55,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:10:55,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:10:55,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:10:55,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:10:55,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:10:55,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:10:55,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:10:55,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:10:55,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:10:55,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:10:55,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:10:55,469 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:10:55,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:10:55,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:10:55,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:10:55,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:10:55,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:10:55,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:10:55,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:10:55,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:10:55,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:10:55,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:10:55,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:10:55,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:10:55,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:10:55,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:10:55,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:10:55,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:10:55,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:10:55,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:10:55,477 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:10:55,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:10:55,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:10:55,478 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_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 [2022-11-16 12:10:55,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:10:55,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:10:55,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:10:55,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:10:55,856 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:10:55,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-16 12:10:55,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/data/113c92288/dfb29ea95a72426ebbbd5059ed2a4950/FLAGafb5170af [2022-11-16 12:10:57,213 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:10:57,214 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-16 12:10:57,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/data/113c92288/dfb29ea95a72426ebbbd5059ed2a4950/FLAGafb5170af [2022-11-16 12:10:57,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/data/113c92288/dfb29ea95a72426ebbbd5059ed2a4950 [2022-11-16 12:10:57,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:10:57,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:10:57,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:10:57,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:10:57,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:10:57,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:10:57" (1/1) ... [2022-11-16 12:10:57,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f87d968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:10:57, skipping insertion in model container [2022-11-16 12:10:57,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:10:57" (1/1) ... [2022-11-16 12:10:57,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:10:58,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:11:08,932 WARN L229 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_51bab190-8575-4005-a414-174f5af4186c/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-16 12:11:09,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:11:09,672 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:11:10,864 WARN L229 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_51bab190-8575-4005-a414-174f5af4186c/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-16 12:11:10,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:11:11,994 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:11:11,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11 WrapperNode [2022-11-16 12:11:11,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:11:11,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:11:11,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:11:11,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:11:12,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (1/1) ... [2022-11-16 12:11:12,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (1/1) ... [2022-11-16 12:11:12,630 INFO L138 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 360, calls inlined = 206, statements flattened = 9183 [2022-11-16 12:11:12,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:11:12,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:11:12,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:11:12,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:11:12,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (1/1) ... [2022-11-16 12:11:12,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (1/1) ... [2022-11-16 12:11:12,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (1/1) ... [2022-11-16 12:11:12,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (1/1) ... [2022-11-16 12:11:13,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (1/1) ... [2022-11-16 12:11:13,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (1/1) ... [2022-11-16 12:11:13,250 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (1/1) ... [2022-11-16 12:11:13,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (1/1) ... [2022-11-16 12:11:13,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:11:13,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:11:13,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:11:13,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:11:13,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (1/1) ... [2022-11-16 12:11:13,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:11:13,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:11:13,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:11:13,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51bab190-8575-4005-a414-174f5af4186c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:11:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2022-11-16 12:11:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2022-11-16 12:11:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2022-11-16 12:11:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2022-11-16 12:11:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_init [2022-11-16 12:11:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_init [2022-11-16 12:11:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-11-16 12:11:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-11-16 12:11:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2022-11-16 12:11:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2022-11-16 12:11:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-16 12:11:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-16 12:11:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_round_pot [2022-11-16 12:11:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_round_pot [2022-11-16 12:11:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_get [2022-11-16 12:11:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_get [2022-11-16 12:11:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-16 12:11:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-16 12:11:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2022-11-16 12:11:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2022-11-16 12:11:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2022-11-16 12:11:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2022-11-16 12:11:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2022-11-16 12:11:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2022-11-16 12:11:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2022-11-16 12:11:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2022-11-16 12:11:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2022-11-16 12:11:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2022-11-16 12:11:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2022-11-16 12:11:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2022-11-16 12:11:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2022-11-16 12:11:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2022-11-16 12:11:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2022-11-16 12:11:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2022-11-16 12:11:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2022-11-16 12:11:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2022-11-16 12:11:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-16 12:11:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-16 12:11:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-16 12:11:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:11:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:11:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-16 12:11:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-16 12:11:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2022-11-16 12:11:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2022-11-16 12:11:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 12:11:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 12:11:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-16 12:11:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-16 12:11:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 12:11:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 12:11:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2022-11-16 12:11:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2022-11-16 12:11:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-16 12:11:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-16 12:11:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-16 12:11:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-16 12:11:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-16 12:11:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-16 12:11:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:11:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2022-11-16 12:11:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2022-11-16 12:11:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2022-11-16 12:11:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2022-11-16 12:11:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2022-11-16 12:11:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2022-11-16 12:11:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2022-11-16 12:11:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2022-11-16 12:11:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2022-11-16 12:11:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2022-11-16 12:11:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2022-11-16 12:11:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2022-11-16 12:11:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2022-11-16 12:11:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2022-11-16 12:11:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-16 12:11:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-16 12:11:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2022-11-16 12:11:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2022-11-16 12:11:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2022-11-16 12:11:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2022-11-16 12:11:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:11:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_unlock [2022-11-16 12:11:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_unlock [2022-11-16 12:11:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2022-11-16 12:11:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2022-11-16 12:11:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2022-11-16 12:11:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2022-11-16 12:11:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2022-11-16 12:11:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2022-11-16 12:11:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-16 12:11:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-16 12:11:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2022-11-16 12:11:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2022-11-16 12:11:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_evict_mm [2022-11-16 12:11:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_evict_mm [2022-11-16 12:11:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:11:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2022-11-16 12:11:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2022-11-16 12:11:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2022-11-16 12:11:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2022-11-16 12:11:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:11:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 12:11:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2022-11-16 12:11:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2022-11-16 12:11:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2022-11-16 12:11:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2022-11-16 12:11:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2022-11-16 12:11:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2022-11-16 12:11:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-16 12:11:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-16 12:11:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_3d [2022-11-16 12:11:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_3d [2022-11-16 12:11:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2022-11-16 12:11:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2022-11-16 12:11:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-16 12:11:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-16 12:11:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2022-11-16 12:11:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2022-11-16 12:11:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 12:11:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 12:11:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2022-11-16 12:11:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2022-11-16 12:11:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-16 12:11:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-16 12:11:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2022-11-16 12:11:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2022-11-16 12:11:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2022-11-16 12:11:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2022-11-16 12:11:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-16 12:11:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-16 12:11:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:11:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:11:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2022-11-16 12:11:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2022-11-16 12:11:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2022-11-16 12:11:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2022-11-16 12:11:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2022-11-16 12:11:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2022-11-16 12:11:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2022-11-16 12:11:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2022-11-16 12:11:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:11:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2022-11-16 12:11:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2022-11-16 12:11:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-16 12:11:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-16 12:11:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2022-11-16 12:11:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2022-11-16 12:11:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 12:11:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 12:11:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-16 12:11:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-16 12:11:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_attach_encoder [2022-11-16 12:11:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_attach_encoder [2022-11-16 12:11:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2022-11-16 12:11:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2022-11-16 12:11:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 12:11:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 12:11:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2022-11-16 12:11:13,519 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2022-11-16 12:11:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 12:11:13,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 12:11:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:11:13,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:11:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_crtc_set_gamma_size [2022-11-16 12:11:13,520 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_crtc_set_gamma_size [2022-11-16 12:11:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2022-11-16 12:11:13,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2022-11-16 12:11:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2022-11-16 12:11:13,520 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2022-11-16 12:11:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_attach_property [2022-11-16 12:11:13,521 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_attach_property [2022-11-16 12:11:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-16 12:11:13,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-16 12:11:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2022-11-16 12:11:13,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2022-11-16 12:11:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:11:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 12:11:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 12:11:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-16 12:11:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:11:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-16 12:11:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-16 12:11:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-16 12:11:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-16 12:11:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2022-11-16 12:11:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2022-11-16 12:11:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-16 12:11:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-16 12:11:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 12:11:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 12:11:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 12:11:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 12:11:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2022-11-16 12:11:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2022-11-16 12:11:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2022-11-16 12:11:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2022-11-16 12:11:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-16 12:11:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-16 12:11:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2022-11-16 12:11:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2022-11-16 12:11:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-16 12:11:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-16 12:11:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2022-11-16 12:11:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2022-11-16 12:11:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-16 12:11:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-16 12:11:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2022-11-16 12:11:13,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2022-11-16 12:11:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2022-11-16 12:11:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_dirty_mark [2022-11-16 12:11:13,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_dirty_mark [2022-11-16 12:11:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-16 12:11:13,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-16 12:11:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-16 12:11:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-16 12:11:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2022-11-16 12:11:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2022-11-16 12:11:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2022-11-16 12:11:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2022-11-16 12:11:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2022-11-16 12:11:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2022-11-16 12:11:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:11:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2022-11-16 12:11:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2022-11-16 12:11:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_du_connector_detect [2022-11-16 12:11:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_du_connector_detect [2022-11-16 12:11:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-16 12:11:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-16 12:11:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 12:11:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 12:11:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2022-11-16 12:11:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2022-11-16 12:11:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2022-11-16 12:11:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2022-11-16 12:11:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2022-11-16 12:11:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2022-11-16 12:11:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-16 12:11:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-16 12:11:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2022-11-16 12:11:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2022-11-16 12:11:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2022-11-16 12:11:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2022-11-16 12:11:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_save_vga [2022-11-16 12:11:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_save_vga [2022-11-16 12:11:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-16 12:11:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-16 12:11:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2022-11-16 12:11:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2022-11-16 12:11:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2022-11-16 12:11:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2022-11-16 12:11:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2022-11-16 12:11:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2022-11-16 12:11:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-16 12:11:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-16 12:11:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-16 12:11:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-16 12:11:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-16 12:11:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-16 12:11:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2022-11-16 12:11:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2022-11-16 12:11:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2022-11-16 12:11:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2022-11-16 12:11:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2022-11-16 12:11:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2022-11-16 12:11:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2022-11-16 12:11:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2022-11-16 12:11:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 12:11:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 12:11:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-11-16 12:11:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-11-16 12:11:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2022-11-16 12:11:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2022-11-16 12:11:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-16 12:11:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-16 12:11:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-16 12:11:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-16 12:11:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2022-11-16 12:11:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2022-11-16 12:11:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2022-11-16 12:11:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2022-11-16 12:11:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2022-11-16 12:11:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2022-11-16 12:11:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2022-11-16 12:11:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2022-11-16 12:11:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-11-16 12:11:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-11-16 12:11:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:11:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:11:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2022-11-16 12:11:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2022-11-16 12:11:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2022-11-16 12:11:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2022-11-16 12:11:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-16 12:11:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-16 12:11:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2022-11-16 12:11:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2022-11-16 12:11:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2022-11-16 12:11:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2022-11-16 12:11:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 12:11:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 12:11:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2022-11-16 12:11:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2022-11-16 12:11:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2022-11-16 12:11:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2022-11-16 12:11:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2022-11-16 12:11:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2022-11-16 12:11:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2022-11-16 12:11:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2022-11-16 12:11:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-16 12:11:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-16 12:11:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-16 12:11:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-16 12:11:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2022-11-16 12:11:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2022-11-16 12:11:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:11:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-16 12:11:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-16 12:11:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2022-11-16 12:11:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2022-11-16 12:11:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-16 12:11:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-16 12:11:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2022-11-16 12:11:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2022-11-16 12:11:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 12:11:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2022-11-16 12:11:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2022-11-16 12:11:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 12:11:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 12:11:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-16 12:11:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-16 12:11:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 12:11:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2022-11-16 12:11:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2022-11-16 12:11:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2022-11-16 12:11:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2022-11-16 12:11:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-16 12:11:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-16 12:11:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2022-11-16 12:11:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2022-11-16 12:11:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 12:11:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 12:11:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2022-11-16 12:11:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2022-11-16 12:11:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2022-11-16 12:11:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2022-11-16 12:11:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2022-11-16 12:11:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2022-11-16 12:11:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2022-11-16 12:11:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2022-11-16 12:11:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-16 12:11:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-16 12:11:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 12:11:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 12:11:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-16 12:11:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-16 12:11:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2022-11-16 12:11:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2022-11-16 12:11:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2022-11-16 12:11:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2022-11-16 12:11:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2022-11-16 12:11:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2022-11-16 12:11:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2022-11-16 12:11:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2022-11-16 12:11:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-16 12:11:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-16 12:11:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:11:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:11:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:11:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:11:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_lock [2022-11-16 12:11:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_lock [2022-11-16 12:11:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2022-11-16 12:11:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2022-11-16 12:11:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2022-11-16 12:11:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2022-11-16 12:11:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2022-11-16 12:11:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2022-11-16 12:11:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2022-11-16 12:11:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2022-11-16 12:11:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2022-11-16 12:11:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2022-11-16 12:11:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2022-11-16 12:11:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-16 12:11:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-16 12:11:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2022-11-16 12:11:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2022-11-16 12:11:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-16 12:11:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-16 12:11:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-16 12:11:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-16 12:11:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 12:11:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 12:11:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-16 12:11:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-16 12:11:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2022-11-16 12:11:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2022-11-16 12:11:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2022-11-16 12:11:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2022-11-16 12:11:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_init [2022-11-16 12:11:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_init [2022-11-16 12:11:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-16 12:11:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-16 12:11:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 12:11:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure drm_encoder_init [2022-11-16 12:11:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_encoder_init [2022-11-16 12:11:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2022-11-16 12:11:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2022-11-16 12:11:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2022-11-16 12:11:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2022-11-16 12:11:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_lock_set_kill [2022-11-16 12:11:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_lock_set_kill [2022-11-16 12:11:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2022-11-16 12:11:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2022-11-16 12:11:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2022-11-16 12:11:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2022-11-16 12:11:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-16 12:11:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-16 12:11:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2022-11-16 12:11:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2022-11-16 12:11:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2022-11-16 12:11:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2022-11-16 12:11:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2022-11-16 12:11:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2022-11-16 12:11:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 12:11:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 12:11:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:11:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:11:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2022-11-16 12:11:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2022-11-16 12:11:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2022-11-16 12:11:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2022-11-16 12:11:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master_init [2022-11-16 12:11:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master_init [2022-11-16 12:11:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-16 12:11:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-16 12:11:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-16 12:11:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-16 12:11:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2022-11-16 12:11:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2022-11-16 12:11:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_init [2022-11-16 12:11:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_init [2022-11-16 12:11:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2022-11-16 12:11:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2022-11-16 12:11:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2022-11-16 12:11:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2022-11-16 12:11:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2022-11-16 12:11:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2022-11-16 12:11:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:11:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-16 12:11:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-16 12:11:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2022-11-16 12:11:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2022-11-16 12:11:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-16 12:11:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-16 12:11:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-16 12:11:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2022-11-16 12:11:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2022-11-16 12:11:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2022-11-16 12:11:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2022-11-16 12:11:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2022-11-16 12:11:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2022-11-16 12:11:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2022-11-16 12:11:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2022-11-16 12:11:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_init_mm [2022-11-16 12:11:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_init_mm [2022-11-16 12:11:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2022-11-16 12:11:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2022-11-16 12:11:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2022-11-16 12:11:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2022-11-16 12:11:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2022-11-16 12:11:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2022-11-16 12:11:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2022-11-16 12:11:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2022-11-16 12:11:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2022-11-16 12:11:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2022-11-16 12:11:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:11:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:11:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2022-11-16 12:11:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2022-11-16 12:11:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2022-11-16 12:11:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2022-11-16 12:11:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2022-11-16 12:11:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2022-11-16 12:11:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2022-11-16 12:11:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2022-11-16 12:11:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2022-11-16 12:11:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2022-11-16 12:11:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2022-11-16 12:11:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2022-11-16 12:11:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-16 12:11:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-16 12:11:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2022-11-16 12:11:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2022-11-16 12:11:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-16 12:11:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-16 12:11:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-11-16 12:11:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-11-16 12:11:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2022-11-16 12:11:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2022-11-16 12:11:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2022-11-16 12:11:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2022-11-16 12:11:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2022-11-16 12:11:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2022-11-16 12:11:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2022-11-16 12:11:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2022-11-16 12:11:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2022-11-16 12:11:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2022-11-16 12:11:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2022-11-16 12:11:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2022-11-16 12:11:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_init [2022-11-16 12:11:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_init [2022-11-16 12:11:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-16 12:11:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-16 12:11:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2022-11-16 12:11:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2022-11-16 12:11:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2022-11-16 12:11:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2022-11-16 12:11:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2022-11-16 12:11:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2022-11-16 12:11:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 12:11:13,574 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 12:11:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2022-11-16 12:11:13,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2022-11-16 12:11:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-16 12:11:13,574 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-16 12:11:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:11:13,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-16 12:11:13,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-16 12:11:13,575 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_create_dirty_info_property [2022-11-16 12:11:13,575 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_create_dirty_info_property [2022-11-16 12:11:13,575 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-16 12:11:13,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-16 12:11:15,344 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:11:15,364 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:13:04,369 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:13:04,398 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:13:04,398 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:13:04,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:13:04 BoogieIcfgContainer [2022-11-16 12:13:04,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:13:04,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:13:04,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:13:04,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:13:04,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:10:57" (1/3) ... [2022-11-16 12:13:04,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5c1955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:13:04, skipping insertion in model container [2022-11-16 12:13:04,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:11" (2/3) ... [2022-11-16 12:13:04,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5c1955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:13:04, skipping insertion in model container [2022-11-16 12:13:04,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:13:04" (3/3) ... [2022-11-16 12:13:04,425 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-16 12:13:04,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:13:04,450 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:13:04,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:13:04,622 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;@1be5242b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:13:04,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:13:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 3920 states, 2409 states have (on average 1.2652552926525529) internal successors, (3048), 2542 states have internal predecessors, (3048), 1254 states have call successors, (1254), 255 states have call predecessors, (1254), 255 states have return successors, (1254), 1227 states have call predecessors, (1254), 1254 states have call successors, (1254) [2022-11-16 12:13:04,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 12:13:04,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:13:04,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:13:04,652 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:13:04,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:13:04,659 INFO L85 PathProgramCache]: Analyzing trace with hash -956403146, now seen corresponding path program 1 times [2022-11-16 12:13:04,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:13:04,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872661507] [2022-11-16 12:13:04,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:13:04,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:13:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:06,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:13:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:13:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:13:06,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:13:06,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872661507] [2022-11-16 12:13:06,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872661507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:13:06,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:13:06,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:13:06,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363423432] [2022-11-16 12:13:06,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:13:06,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:13:06,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:13:06,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:13:06,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:13:06,540 INFO L87 Difference]: Start difference. First operand has 3920 states, 2409 states have (on average 1.2652552926525529) internal successors, (3048), 2542 states have internal predecessors, (3048), 1254 states have call successors, (1254), 255 states have call predecessors, (1254), 255 states have return successors, (1254), 1227 states have call predecessors, (1254), 1254 states have call successors, (1254) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:13:08,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:13:10,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:13:16,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:13:45,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:13:57,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:14:00,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:14:02,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:14:06,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:14:08,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:14:11,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:14:15,082 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 [] [2022-11-16 12:14:40,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:40,133 INFO L93 Difference]: Finished difference Result 12624 states and 18959 transitions. [2022-11-16 12:14:40,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:14:40,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2022-11-16 12:14:40,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:40,248 INFO L225 Difference]: With dead ends: 12624 [2022-11-16 12:14:40,249 INFO L226 Difference]: Without dead ends: 8651 [2022-11-16 12:14:40,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:14:40,296 INFO L413 NwaCegarLoop]: 3045 mSDtfsCounter, 8070 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 11561 mSolverCounterSat, 4269 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9166 SdHoareTripleChecker+Valid, 5545 SdHoareTripleChecker+Invalid, 15841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4269 IncrementalHoareTripleChecker+Valid, 11561 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:40,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9166 Valid, 5545 Invalid, 15841 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4269 Valid, 11561 Invalid, 11 Unknown, 0 Unchecked, 91.5s Time] [2022-11-16 12:14:40,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8651 states. [2022-11-16 12:14:41,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8651 to 8564. [2022-11-16 12:14:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8564 states, 5244 states have (on average 1.247711670480549) internal successors, (6543), 5518 states have internal predecessors, (6543), 2697 states have call successors, (2697), 503 states have call predecessors, (2697), 622 states have return successors, (3232), 2712 states have call predecessors, (3232), 2667 states have call successors, (3232) [2022-11-16 12:14:41,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8564 states to 8564 states and 12472 transitions. [2022-11-16 12:14:41,599 INFO L78 Accepts]: Start accepts. Automaton has 8564 states and 12472 transitions. Word has length 19 [2022-11-16 12:14:41,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:41,600 INFO L495 AbstractCegarLoop]: Abstraction has 8564 states and 12472 transitions. [2022-11-16 12:14:41,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:14:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 8564 states and 12472 transitions. [2022-11-16 12:14:41,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 12:14:41,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:41,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:41,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:14:41,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:41,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:41,605 INFO L85 PathProgramCache]: Analyzing trace with hash 413104690, now seen corresponding path program 1 times [2022-11-16 12:14:41,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:41,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966235390] [2022-11-16 12:14:41,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:41,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:42,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:14:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:42,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:14:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:14:42,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:42,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966235390] [2022-11-16 12:14:42,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966235390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:42,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:14:42,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:14:42,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81133021] [2022-11-16 12:14:42,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:42,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:14:42,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:42,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:14:42,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:14:42,684 INFO L87 Difference]: Start difference. First operand 8564 states and 12472 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:14:44,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:14:46,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:14:52,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:15:18,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:15:21,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:15:31,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:15:33,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:15:36,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:15:38,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:15:41,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:15:44,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:16:06,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:16:06,218 INFO L93 Difference]: Finished difference Result 15427 states and 22396 transitions. [2022-11-16 12:16:06,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:16:06,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-11-16 12:16:06,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:16:06,337 INFO L225 Difference]: With dead ends: 15427 [2022-11-16 12:16:06,337 INFO L226 Difference]: Without dead ends: 15424 [2022-11-16 12:16:06,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:16:06,352 INFO L413 NwaCegarLoop]: 2543 mSDtfsCounter, 7725 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 10466 mSolverCounterSat, 4096 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8845 SdHoareTripleChecker+Valid, 4134 SdHoareTripleChecker+Invalid, 14573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4096 IncrementalHoareTripleChecker+Valid, 10466 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:16:06,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8845 Valid, 4134 Invalid, 14573 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4096 Valid, 10466 Invalid, 11 Unknown, 0 Unchecked, 81.6s Time] [2022-11-16 12:16:06,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15424 states. [2022-11-16 12:16:08,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15424 to 15279. [2022-11-16 12:16:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15279 states, 9334 states have (on average 1.2422326976644524) internal successors, (11595), 9825 states have internal predecessors, (11595), 4757 states have call successors, (4757), 946 states have call predecessors, (4757), 1187 states have return successors, (5812), 4815 states have call predecessors, (5812), 4728 states have call successors, (5812) [2022-11-16 12:16:08,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15279 states to 15279 states and 22164 transitions. [2022-11-16 12:16:08,383 INFO L78 Accepts]: Start accepts. Automaton has 15279 states and 22164 transitions. Word has length 20 [2022-11-16 12:16:08,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:16:08,383 INFO L495 AbstractCegarLoop]: Abstraction has 15279 states and 22164 transitions. [2022-11-16 12:16:08,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:16:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 15279 states and 22164 transitions. [2022-11-16 12:16:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 12:16:08,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:16:08,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:16:08,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:16:08,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:16:08,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:16:08,386 INFO L85 PathProgramCache]: Analyzing trace with hash -81820487, now seen corresponding path program 1 times [2022-11-16 12:16:08,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:16:08,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868217055] [2022-11-16 12:16:08,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:16:08,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:16:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:09,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:16:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:09,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:16:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:16:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:16:09,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:16:09,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868217055] [2022-11-16 12:16:09,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868217055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:16:09,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:16:09,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:16:09,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550314894] [2022-11-16 12:16:09,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:16:09,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:16:09,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:16:09,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:16:09,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:16:09,432 INFO L87 Difference]: Start difference. First operand 15279 states and 22164 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:16:11,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:16:13,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:16:19,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:16:46,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:16:59,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:17:02,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:17:04,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:17:09,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:17:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:17:33,653 INFO L93 Difference]: Finished difference Result 30663 states and 46871 transitions. [2022-11-16 12:17:33,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:17:33,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2022-11-16 12:17:33,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:17:33,900 INFO L225 Difference]: With dead ends: 30663 [2022-11-16 12:17:33,900 INFO L226 Difference]: Without dead ends: 30659 [2022-11-16 12:17:33,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:17:33,929 INFO L413 NwaCegarLoop]: 3028 mSDtfsCounter, 8044 mSDsluCounter, 2544 mSDsCounter, 0 mSdLazyCounter, 11491 mSolverCounterSat, 4405 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9150 SdHoareTripleChecker+Valid, 5572 SdHoareTripleChecker+Invalid, 15903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4405 IncrementalHoareTripleChecker+Valid, 11491 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:17:33,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9150 Valid, 5572 Invalid, 15903 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4405 Valid, 11491 Invalid, 7 Unknown, 0 Unchecked, 81.0s Time] [2022-11-16 12:17:33,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30659 states. [2022-11-16 12:17:37,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30659 to 30439. [2022-11-16 12:17:37,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30439 states, 18610 states have (on average 1.2417517463729177) internal successors, (23109), 19565 states have internal predecessors, (23109), 9461 states have call successors, (9461), 1882 states have call predecessors, (9461), 2367 states have return successors, (13883), 9607 states have call predecessors, (13883), 9430 states have call successors, (13883) [2022-11-16 12:17:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30439 states to 30439 states and 46453 transitions. [2022-11-16 12:17:37,552 INFO L78 Accepts]: Start accepts. Automaton has 30439 states and 46453 transitions. Word has length 21 [2022-11-16 12:17:37,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:17:37,553 INFO L495 AbstractCegarLoop]: Abstraction has 30439 states and 46453 transitions. [2022-11-16 12:17:37,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:17:37,554 INFO L276 IsEmpty]: Start isEmpty. Operand 30439 states and 46453 transitions. [2022-11-16 12:17:37,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 12:17:37,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:17:37,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:37,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:17:37,555 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:17:37,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:37,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1755373077, now seen corresponding path program 1 times [2022-11-16 12:17:37,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:37,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96894711] [2022-11-16 12:17:37,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:37,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:17:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:17:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:38,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:38,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:38,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96894711] [2022-11-16 12:17:38,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96894711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:38,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:38,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:17:38,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195993035] [2022-11-16 12:17:38,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:38,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:17:38,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:38,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:17:38,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:17:38,519 INFO L87 Difference]: Start difference. First operand 30439 states and 46453 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:17:40,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:17:42,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:17:48,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:18:14,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:18:32,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:18:34,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:18:38,858 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 [] [2022-11-16 12:18:59,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:18:59,393 INFO L93 Difference]: Finished difference Result 89902 states and 156179 transitions. [2022-11-16 12:18:59,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:18:59,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-11-16 12:18:59,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:18:59,885 INFO L225 Difference]: With dead ends: 89902 [2022-11-16 12:18:59,885 INFO L226 Difference]: Without dead ends: 59476 [2022-11-16 12:19:00,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:19:00,323 INFO L413 NwaCegarLoop]: 2998 mSDtfsCounter, 7812 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 11478 mSolverCounterSat, 4236 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8860 SdHoareTripleChecker+Valid, 5534 SdHoareTripleChecker+Invalid, 15721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4236 IncrementalHoareTripleChecker+Valid, 11478 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:19:00,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8860 Valid, 5534 Invalid, 15721 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4236 Valid, 11478 Invalid, 7 Unknown, 0 Unchecked, 75.0s Time] [2022-11-16 12:19:00,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59476 states. [2022-11-16 12:19:04,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59476 to 59066. [2022-11-16 12:19:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59066 states, 36138 states have (on average 1.2397476340694007) internal successors, (44802), 38040 states have internal predecessors, (44802), 18226 states have call successors, (18226), 3737 states have call predecessors, (18226), 4701 states have return successors, (36285), 18480 states have call predecessors, (36285), 18110 states have call successors, (36285) [2022-11-16 12:19:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59066 states to 59066 states and 99313 transitions. [2022-11-16 12:19:05,894 INFO L78 Accepts]: Start accepts. Automaton has 59066 states and 99313 transitions. Word has length 22 [2022-11-16 12:19:05,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:19:05,913 INFO L495 AbstractCegarLoop]: Abstraction has 59066 states and 99313 transitions. [2022-11-16 12:19:05,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:19:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 59066 states and 99313 transitions. [2022-11-16 12:19:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 12:19:05,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:19:05,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:19:05,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:19:05,916 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:19:05,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:19:05,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1421163716, now seen corresponding path program 1 times [2022-11-16 12:19:05,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:19:05,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994413503] [2022-11-16 12:19:05,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:19:05,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:19:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:19:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:07,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:19:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:19:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:19:07,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:19:07,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994413503] [2022-11-16 12:19:07,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994413503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:19:07,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:19:07,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:19:07,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249408751] [2022-11-16 12:19:07,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:19:07,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:19:07,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:19:07,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:19:07,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:19:07,135 INFO L87 Difference]: Start difference. First operand 59066 states and 99313 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:19:09,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:19:11,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:19:16,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:19:39,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:19:56,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:19:58,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:20:01,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:20:03,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:20:07,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:20:10,396 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 [] [2022-11-16 12:20:34,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:20:34,430 INFO L93 Difference]: Finished difference Result 118119 states and 235947 transitions. [2022-11-16 12:20:34,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:20:34,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-11-16 12:20:34,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:20:35,834 INFO L225 Difference]: With dead ends: 118119 [2022-11-16 12:20:35,834 INFO L226 Difference]: Without dead ends: 118115 [2022-11-16 12:20:35,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:20:35,902 INFO L413 NwaCegarLoop]: 3043 mSDtfsCounter, 7971 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 11538 mSolverCounterSat, 4378 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9069 SdHoareTripleChecker+Valid, 5602 SdHoareTripleChecker+Invalid, 15926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4378 IncrementalHoareTripleChecker+Valid, 11538 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:20:35,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9069 Valid, 5602 Invalid, 15926 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4378 Valid, 11538 Invalid, 10 Unknown, 0 Unchecked, 77.3s Time] [2022-11-16 12:20:36,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118115 states.