./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 6b4ec56b 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_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/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_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-6b4ec56 [2022-11-20 11:53:53,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:53:53,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:53:53,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:53:53,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:53:53,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:53:53,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:53:53,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:53:53,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:53:53,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:53:53,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:53:53,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:53:53,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:53:53,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:53:53,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:53:53,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:53:53,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:53:53,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:53:53,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:53:53,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:53:53,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:53:53,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:53:53,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:53:53,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:53:53,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:53:53,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:53:53,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:53:53,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:53:53,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:53:53,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:53:53,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:53:53,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:53:53,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:53:53,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:53:53,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:53:53,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:53:53,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:53:53,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:53:53,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:53:53,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:53:53,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:53:53,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:53:53,290 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:53:53,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:53:53,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:53:53,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:53:53,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:53:53,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:53:53,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:53:53,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:53:53,293 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:53:53,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:53:53,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:53:53,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:53:53,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:53:53,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:53:53,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:53:53,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:53:53,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:53:53,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:53:53,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:53:53,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:53:53,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:53:53,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:53:53,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:53:53,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:53:53,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:53:53,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:53:53,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:53:53,301 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:53:53,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:53:53,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:53:53,303 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_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c422fb06a669ce5225d4a34bb003621d8e04f4e033c19b27cdce4080ea01ff2 [2022-11-20 11:53:53,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:53:53,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:53:53,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:53:53,733 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:53:53,735 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:53:53,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-20 11:53:57,403 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:53:58,554 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:53:58,555 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-20 11:53:58,656 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/data/dccdddc8d/8dbd6f4ace494dfa8a2d8af2b6a12280/FLAG8383828ff [2022-11-20 11:53:58,680 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/data/dccdddc8d/8dbd6f4ace494dfa8a2d8af2b6a12280 [2022-11-20 11:53:58,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:53:58,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:53:58,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:53:58,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:53:58,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:53:58,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:53:58" (1/1) ... [2022-11-20 11:53:58,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341d915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:53:58, skipping insertion in model container [2022-11-20 11:53:58,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:53:58" (1/1) ... [2022-11-20 11:53:58,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:53:59,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:54:09,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-20 11:54:10,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:54:10,239 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:54:11,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/sv-benchmarks/c/ldv-linux-3.7.3/main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2022-11-20 11:54:11,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:54:12,630 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:54:12,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12 WrapperNode [2022-11-20 11:54:12,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:54:12,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:54:12,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:54:12,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:54:12,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (1/1) ... [2022-11-20 11:54:12,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (1/1) ... [2022-11-20 11:54:13,289 INFO L138 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 360, calls inlined = 206, statements flattened = 9178 [2022-11-20 11:54:13,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:54:13,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:54:13,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:54:13,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:54:13,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (1/1) ... [2022-11-20 11:54:13,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (1/1) ... [2022-11-20 11:54:13,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (1/1) ... [2022-11-20 11:54:13,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (1/1) ... [2022-11-20 11:54:13,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (1/1) ... [2022-11-20 11:54:13,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (1/1) ... [2022-11-20 11:54:13,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (1/1) ... [2022-11-20 11:54:13,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (1/1) ... [2022-11-20 11:54:13,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:54:13,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:54:13,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:54:13,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:54:13,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (1/1) ... [2022-11-20 11:54:13,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:54:13,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be48d3e9-c59c-4eb0-b7a7-96fa345f465d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:54:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2022-11-20 11:54:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2022-11-20 11:54:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2022-11-20 11:54:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2022-11-20 11:54:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_init [2022-11-20 11:54:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_init [2022-11-20 11:54:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-11-20 11:54:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-11-20 11:54:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2022-11-20 11:54:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2022-11-20 11:54:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-20 11:54:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-20 11:54:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_round_pot [2022-11-20 11:54:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_round_pot [2022-11-20 11:54:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_get [2022-11-20 11:54:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_get [2022-11-20 11:54:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 11:54:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 11:54:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2022-11-20 11:54:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2022-11-20 11:54:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2022-11-20 11:54:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2022-11-20 11:54:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2022-11-20 11:54:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2022-11-20 11:54:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2022-11-20 11:54:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2022-11-20 11:54:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2022-11-20 11:54:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2022-11-20 11:54:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2022-11-20 11:54:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2022-11-20 11:54:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2022-11-20 11:54:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2022-11-20 11:54:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2022-11-20 11:54:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2022-11-20 11:54:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2022-11-20 11:54:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2022-11-20 11:54:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 11:54:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 11:54:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-20 11:54:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 11:54:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 11:54:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 11:54:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 11:54:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2022-11-20 11:54:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2022-11-20 11:54:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 11:54:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 11:54:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-20 11:54:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-20 11:54:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 11:54:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 11:54:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2022-11-20 11:54:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2022-11-20 11:54:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-20 11:54:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2022-11-20 11:54:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-20 11:54:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-20 11:54:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-20 11:54:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-20 11:54:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:54:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2022-11-20 11:54:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2022-11-20 11:54:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2022-11-20 11:54:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2022-11-20 11:54:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2022-11-20 11:54:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2022-11-20 11:54:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2022-11-20 11:54:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2022-11-20 11:54:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2022-11-20 11:54:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2022-11-20 11:54:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2022-11-20 11:54:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2022-11-20 11:54:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2022-11-20 11:54:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2022-11-20 11:54:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-20 11:54:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-20 11:54:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2022-11-20 11:54:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2022-11-20 11:54:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2022-11-20 11:54:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2022-11-20 11:54:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:54:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_unlock [2022-11-20 11:54:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_unlock [2022-11-20 11:54:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2022-11-20 11:54:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2022-11-20 11:54:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2022-11-20 11:54:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2022-11-20 11:54:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2022-11-20 11:54:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2022-11-20 11:54:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-20 11:54:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-20 11:54:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2022-11-20 11:54:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2022-11-20 11:54:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_evict_mm [2022-11-20 11:54:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_evict_mm [2022-11-20 11:54:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:54:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2022-11-20 11:54:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2022-11-20 11:54:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2022-11-20 11:54:14,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2022-11-20 11:54:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:54:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 11:54:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2022-11-20 11:54:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2022-11-20 11:54:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2022-11-20 11:54:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2022-11-20 11:54:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2022-11-20 11:54:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2022-11-20 11:54:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-20 11:54:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-20 11:54:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_3d [2022-11-20 11:54:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_3d [2022-11-20 11:54:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2022-11-20 11:54:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2022-11-20 11:54:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-20 11:54:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-20 11:54:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2022-11-20 11:54:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2022-11-20 11:54:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 11:54:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 11:54:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2022-11-20 11:54:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2022-11-20 11:54:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-20 11:54:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-20 11:54:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2022-11-20 11:54:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2022-11-20 11:54:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2022-11-20 11:54:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2022-11-20 11:54:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-20 11:54:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-20 11:54:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:54:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:54:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2022-11-20 11:54:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2022-11-20 11:54:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2022-11-20 11:54:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2022-11-20 11:54:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2022-11-20 11:54:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2022-11-20 11:54:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2022-11-20 11:54:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2022-11-20 11:54:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:54:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2022-11-20 11:54:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2022-11-20 11:54:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-20 11:54:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-20 11:54:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2022-11-20 11:54:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2022-11-20 11:54:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 11:54:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 11:54:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-20 11:54:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-20 11:54:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_attach_encoder [2022-11-20 11:54:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_attach_encoder [2022-11-20 11:54:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2022-11-20 11:54:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2022-11-20 11:54:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 11:54:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 11:54:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2022-11-20 11:54:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2022-11-20 11:54:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 11:54:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 11:54:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:54:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:54:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_crtc_set_gamma_size [2022-11-20 11:54:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_crtc_set_gamma_size [2022-11-20 11:54:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2022-11-20 11:54:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2022-11-20 11:54:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2022-11-20 11:54:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2022-11-20 11:54:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_attach_property [2022-11-20 11:54:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_attach_property [2022-11-20 11:54:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 11:54:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 11:54:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2022-11-20 11:54:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2022-11-20 11:54:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:54:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 11:54:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 11:54:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-20 11:54:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:54:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-20 11:54:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-20 11:54:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-20 11:54:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-20 11:54:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2022-11-20 11:54:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2022-11-20 11:54:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-20 11:54:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-20 11:54:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 11:54:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 11:54:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 11:54:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 11:54:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2022-11-20 11:54:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2022-11-20 11:54:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2022-11-20 11:54:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2022-11-20 11:54:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-20 11:54:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-20 11:54:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2022-11-20 11:54:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2022-11-20 11:54:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-20 11:54:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-20 11:54:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2022-11-20 11:54:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2022-11-20 11:54:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 11:54:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 11:54:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2022-11-20 11:54:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2022-11-20 11:54:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2022-11-20 11:54:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_dirty_mark [2022-11-20 11:54:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_dirty_mark [2022-11-20 11:54:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-20 11:54:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2022-11-20 11:54:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-20 11:54:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2022-11-20 11:54:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2022-11-20 11:54:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2022-11-20 11:54:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2022-11-20 11:54:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2022-11-20 11:54:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2022-11-20 11:54:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2022-11-20 11:54:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:54:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2022-11-20 11:54:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2022-11-20 11:54:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_du_connector_detect [2022-11-20 11:54:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_du_connector_detect [2022-11-20 11:54:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-20 11:54:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-20 11:54:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:54:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:54:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2022-11-20 11:54:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2022-11-20 11:54:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2022-11-20 11:54:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2022-11-20 11:54:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2022-11-20 11:54:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2022-11-20 11:54:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-20 11:54:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-20 11:54:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2022-11-20 11:54:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2022-11-20 11:54:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2022-11-20 11:54:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2022-11-20 11:54:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_save_vga [2022-11-20 11:54:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_save_vga [2022-11-20 11:54:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 11:54:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 11:54:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2022-11-20 11:54:14,210 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2022-11-20 11:54:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2022-11-20 11:54:14,211 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2022-11-20 11:54:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2022-11-20 11:54:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2022-11-20 11:54:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-20 11:54:14,214 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-20 11:54:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 11:54:14,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 11:54:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-20 11:54:14,218 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-20 11:54:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2022-11-20 11:54:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2022-11-20 11:54:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2022-11-20 11:54:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2022-11-20 11:54:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2022-11-20 11:54:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2022-11-20 11:54:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2022-11-20 11:54:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2022-11-20 11:54:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 11:54:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 11:54:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-11-20 11:54:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-11-20 11:54:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2022-11-20 11:54:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2022-11-20 11:54:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-20 11:54:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2022-11-20 11:54:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 11:54:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 11:54:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2022-11-20 11:54:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2022-11-20 11:54:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2022-11-20 11:54:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2022-11-20 11:54:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2022-11-20 11:54:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2022-11-20 11:54:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2022-11-20 11:54:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2022-11-20 11:54:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-11-20 11:54:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-11-20 11:54:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:54:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:54:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2022-11-20 11:54:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2022-11-20 11:54:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2022-11-20 11:54:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2022-11-20 11:54:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-20 11:54:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-20 11:54:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2022-11-20 11:54:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2022-11-20 11:54:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2022-11-20 11:54:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2022-11-20 11:54:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 11:54:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 11:54:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2022-11-20 11:54:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2022-11-20 11:54:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2022-11-20 11:54:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2022-11-20 11:54:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2022-11-20 11:54:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2022-11-20 11:54:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2022-11-20 11:54:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2022-11-20 11:54:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 11:54:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 11:54:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-20 11:54:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2022-11-20 11:54:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2022-11-20 11:54:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2022-11-20 11:54:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:54:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 11:54:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 11:54:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2022-11-20 11:54:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2022-11-20 11:54:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-20 11:54:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-20 11:54:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2022-11-20 11:54:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2022-11-20 11:54:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 11:54:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2022-11-20 11:54:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2022-11-20 11:54:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 11:54:14,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 11:54:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-20 11:54:14,228 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-20 11:54:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 11:54:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2022-11-20 11:54:14,228 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2022-11-20 11:54:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2022-11-20 11:54:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2022-11-20 11:54:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-20 11:54:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-20 11:54:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2022-11-20 11:54:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2022-11-20 11:54:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:54:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:54:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2022-11-20 11:54:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2022-11-20 11:54:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2022-11-20 11:54:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2022-11-20 11:54:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2022-11-20 11:54:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2022-11-20 11:54:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2022-11-20 11:54:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2022-11-20 11:54:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 11:54:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 11:54:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 11:54:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 11:54:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-20 11:54:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-20 11:54:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2022-11-20 11:54:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2022-11-20 11:54:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2022-11-20 11:54:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2022-11-20 11:54:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2022-11-20 11:54:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2022-11-20 11:54:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2022-11-20 11:54:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2022-11-20 11:54:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-20 11:54:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-20 11:54:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:54:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:54:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-20 11:54:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-20 11:54:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_vt_lock [2022-11-20 11:54:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_vt_lock [2022-11-20 11:54:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2022-11-20 11:54:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2022-11-20 11:54:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2022-11-20 11:54:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2022-11-20 11:54:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2022-11-20 11:54:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2022-11-20 11:54:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2022-11-20 11:54:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2022-11-20 11:54:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2022-11-20 11:54:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2022-11-20 11:54:14,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2022-11-20 11:54:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-20 11:54:14,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-20 11:54:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2022-11-20 11:54:14,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2022-11-20 11:54:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-20 11:54:14,236 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-20 11:54:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-20 11:54:14,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2022-11-20 11:54:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-20 11:54:14,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-20 11:54:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-20 11:54:14,237 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-20 11:54:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2022-11-20 11:54:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2022-11-20 11:54:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2022-11-20 11:54:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2022-11-20 11:54:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure drm_connector_init [2022-11-20 11:54:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_connector_init [2022-11-20 11:54:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-20 11:54:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-20 11:54:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:54:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure drm_encoder_init [2022-11-20 11:54:14,239 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_encoder_init [2022-11-20 11:54:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2022-11-20 11:54:14,239 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2022-11-20 11:54:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2022-11-20 11:54:14,239 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2022-11-20 11:54:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_lock_set_kill [2022-11-20 11:54:14,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_lock_set_kill [2022-11-20 11:54:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2022-11-20 11:54:14,240 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2022-11-20 11:54:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2022-11-20 11:54:14,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2022-11-20 11:54:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-20 11:54:14,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-20 11:54:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2022-11-20 11:54:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2022-11-20 11:54:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2022-11-20 11:54:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2022-11-20 11:54:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2022-11-20 11:54:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2022-11-20 11:54:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 11:54:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 11:54:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 11:54:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 11:54:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2022-11-20 11:54:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2022-11-20 11:54:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2022-11-20 11:54:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2022-11-20 11:54:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master_init [2022-11-20 11:54:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master_init [2022-11-20 11:54:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-20 11:54:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2022-11-20 11:54:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 11:54:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 11:54:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2022-11-20 11:54:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2022-11-20 11:54:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_init [2022-11-20 11:54:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_init [2022-11-20 11:54:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2022-11-20 11:54:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2022-11-20 11:54:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2022-11-20 11:54:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2022-11-20 11:54:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2022-11-20 11:54:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2022-11-20 11:54:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:54:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-20 11:54:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2022-11-20 11:54:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2022-11-20 11:54:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2022-11-20 11:54:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-20 11:54:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-20 11:54:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-20 11:54:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2022-11-20 11:54:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2022-11-20 11:54:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2022-11-20 11:54:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2022-11-20 11:54:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2022-11-20 11:54:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2022-11-20 11:54:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2022-11-20 11:54:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2022-11-20 11:54:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_init_mm [2022-11-20 11:54:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_init_mm [2022-11-20 11:54:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2022-11-20 11:54:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2022-11-20 11:54:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2022-11-20 11:54:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2022-11-20 11:54:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2022-11-20 11:54:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2022-11-20 11:54:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2022-11-20 11:54:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2022-11-20 11:54:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2022-11-20 11:54:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2022-11-20 11:54:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:54:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:54:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2022-11-20 11:54:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2022-11-20 11:54:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2022-11-20 11:54:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2022-11-20 11:54:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2022-11-20 11:54:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2022-11-20 11:54:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2022-11-20 11:54:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2022-11-20 11:54:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2022-11-20 11:54:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2022-11-20 11:54:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2022-11-20 11:54:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2022-11-20 11:54:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-20 11:54:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-20 11:54:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2022-11-20 11:54:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2022-11-20 11:54:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-20 11:54:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-20 11:54:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-11-20 11:54:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-11-20 11:54:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2022-11-20 11:54:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2022-11-20 11:54:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2022-11-20 11:54:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2022-11-20 11:54:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2022-11-20 11:54:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2022-11-20 11:54:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2022-11-20 11:54:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2022-11-20 11:54:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2022-11-20 11:54:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2022-11-20 11:54:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2022-11-20 11:54:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2022-11-20 11:54:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_init [2022-11-20 11:54:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_init [2022-11-20 11:54:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-20 11:54:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-20 11:54:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2022-11-20 11:54:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2022-11-20 11:54:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2022-11-20 11:54:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2022-11-20 11:54:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2022-11-20 11:54:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2022-11-20 11:54:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 11:54:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 11:54:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2022-11-20 11:54:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2022-11-20 11:54:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-20 11:54:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-20 11:54:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:54:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 11:54:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 11:54:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_create_dirty_info_property [2022-11-20 11:54:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_create_dirty_info_property [2022-11-20 11:54:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-20 11:54:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-20 11:54:16,010 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:54:16,017 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:55:35,912 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:55:35,961 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:55:35,961 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:55:35,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:35 BoogieIcfgContainer [2022-11-20 11:55:35,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:55:35,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:55:35,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:55:35,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:55:35,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:53:58" (1/3) ... [2022-11-20 11:55:35,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7293e4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:55:35, skipping insertion in model container [2022-11-20 11:55:35,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:12" (2/3) ... [2022-11-20 11:55:35,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7293e4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:55:35, skipping insertion in model container [2022-11-20 11:55:35,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:35" (3/3) ... [2022-11-20 11:55:35,986 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2022-11-20 11:55:36,011 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:55:36,012 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:55:36,183 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:55:36,193 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;@6d271240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:55:36,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:55:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 3914 states, 2403 states have (on average 1.2642530170620059) internal successors, (3038), 2536 states have internal predecessors, (3038), 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) [2022-11-20 11:55:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 11:55:36,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:55:36,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:55:36,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:55:36,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:36,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1667298656, now seen corresponding path program 1 times [2022-11-20 11:55:36,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:55:36,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374734041] [2022-11-20 11:55:36,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:36,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:55:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:38,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:55:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:38,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:55:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:38,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:55:38,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:55:38,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374734041] [2022-11-20 11:55:38,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374734041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:55:38,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:55:38,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:55:38,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270922954] [2022-11-20 11:55:38,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:55:38,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:55:38,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:55:38,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:55:38,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:55:38,331 INFO L87 Difference]: Start difference. First operand has 3914 states, 2403 states have (on average 1.2642530170620059) internal successors, (3038), 2536 states have internal predecessors, (3038), 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) [2022-11-20 11:55:39,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:55:41,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:55:48,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:56:16,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:56:20,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:56:30,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:56:32,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:56:37,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:05,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:57:05,192 INFO L93 Difference]: Finished difference Result 12606 states and 18929 transitions. [2022-11-20 11:57:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:57:05,195 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 [2022-11-20 11:57:05,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:57:05,290 INFO L225 Difference]: With dead ends: 12606 [2022-11-20 11:57:05,290 INFO L226 Difference]: Without dead ends: 8639 [2022-11-20 11:57:05,330 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 [2022-11-20 11:57:05,444 INFO L413 NwaCegarLoop]: 3014 mSDtfsCounter, 8050 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 11452 mSolverCounterSat, 4317 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9146 SdHoareTripleChecker+Valid, 5514 SdHoareTripleChecker+Invalid, 15776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4317 IncrementalHoareTripleChecker+Valid, 11452 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:57:05,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9146 Valid, 5514 Invalid, 15776 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4317 Valid, 11452 Invalid, 7 Unknown, 0 Unchecked, 84.7s Time] [2022-11-20 11:57:05,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8639 states. [2022-11-20 11:57:06,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8639 to 8552. [2022-11-20 11:57:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8552 states, 5232 states have (on average 1.2467507645259939) internal successors, (6523), 5506 states have internal predecessors, (6523), 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) [2022-11-20 11:57:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8552 states to 8552 states and 12452 transitions. [2022-11-20 11:57:06,519 INFO L78 Accepts]: Start accepts. Automaton has 8552 states and 12452 transitions. Word has length 19 [2022-11-20 11:57:06,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:57:06,520 INFO L495 AbstractCegarLoop]: Abstraction has 8552 states and 12452 transitions. [2022-11-20 11:57:06,521 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) [2022-11-20 11:57:06,521 INFO L276 IsEmpty]: Start isEmpty. Operand 8552 states and 12452 transitions. [2022-11-20 11:57:06,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 11:57:06,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:57:06,523 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] [2022-11-20 11:57:06,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:57:06,524 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:57:06,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:57:06,524 INFO L85 PathProgramCache]: Analyzing trace with hash 143481544, now seen corresponding path program 1 times [2022-11-20 11:57:06,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:57:06,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216523904] [2022-11-20 11:57:06,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:57:06,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:57:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:07,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:57:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:57:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:57:07,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:57:07,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216523904] [2022-11-20 11:57:07,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216523904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:57:07,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:57:07,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:57:07,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031692894] [2022-11-20 11:57:07,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:57:07,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:57:07,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:57:07,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:57:07,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:57:07,500 INFO L87 Difference]: Start difference. First operand 8552 states and 12452 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) [2022-11-20 11:57:09,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:11,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:17,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:42,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:52,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:54,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:59,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:58:21,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:58:21,527 INFO L93 Difference]: Finished difference Result 15403 states and 22356 transitions. [2022-11-20 11:58:21,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:58:21,528 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 [2022-11-20 11:58:21,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:58:21,639 INFO L225 Difference]: With dead ends: 15403 [2022-11-20 11:58:21,640 INFO L226 Difference]: Without dead ends: 15400 [2022-11-20 11:58:21,652 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 [2022-11-20 11:58:21,653 INFO L413 NwaCegarLoop]: 2540 mSDtfsCounter, 7694 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 10448 mSolverCounterSat, 4098 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8813 SdHoareTripleChecker+Valid, 4134 SdHoareTripleChecker+Invalid, 14552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4098 IncrementalHoareTripleChecker+Valid, 10448 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:58:21,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8813 Valid, 4134 Invalid, 14552 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4098 Valid, 10448 Invalid, 6 Unknown, 0 Unchecked, 72.0s Time] [2022-11-20 11:58:21,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15400 states. [2022-11-20 11:58:23,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15400 to 15255. [2022-11-20 11:58:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15255 states, 9310 states have (on average 1.2411385606874328) internal successors, (11555), 9801 states have internal predecessors, (11555), 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) [2022-11-20 11:58:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15255 states to 15255 states and 22124 transitions. [2022-11-20 11:58:23,437 INFO L78 Accepts]: Start accepts. Automaton has 15255 states and 22124 transitions. Word has length 20 [2022-11-20 11:58:23,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:58:23,438 INFO L495 AbstractCegarLoop]: Abstraction has 15255 states and 22124 transitions. [2022-11-20 11:58:23,439 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) [2022-11-20 11:58:23,439 INFO L276 IsEmpty]: Start isEmpty. Operand 15255 states and 22124 transitions. [2022-11-20 11:58:23,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 11:58:23,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:58:23,440 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] [2022-11-20 11:58:23,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:58:23,440 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:58:23,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:23,441 INFO L85 PathProgramCache]: Analyzing trace with hash 149796195, now seen corresponding path program 1 times [2022-11-20 11:58:23,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:23,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879076010] [2022-11-20 11:58:23,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:23,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:24,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:58:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:24,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:58:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:24,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:58:24,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:24,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879076010] [2022-11-20 11:58:24,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879076010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:24,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:24,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:58:24,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46987097] [2022-11-20 11:58:24,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:24,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:58:24,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:24,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:58:24,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:58:24,324 INFO L87 Difference]: Start difference. First operand 15255 states and 22124 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) [2022-11-20 11:58:25,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:58:27,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:58:33,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:00,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:08,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:17,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:19,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:24,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:49,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:59:49,548 INFO L93 Difference]: Finished difference Result 30615 states and 46791 transitions. [2022-11-20 11:59:49,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:59:49,549 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 [2022-11-20 11:59:49,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:59:49,763 INFO L225 Difference]: With dead ends: 30615 [2022-11-20 11:59:49,763 INFO L226 Difference]: Without dead ends: 30611 [2022-11-20 11:59:49,780 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 [2022-11-20 11:59:49,781 INFO L413 NwaCegarLoop]: 3086 mSDtfsCounter, 7983 mSDsluCounter, 2542 mSDsCounter, 0 mSdLazyCounter, 11619 mSolverCounterSat, 4347 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9089 SdHoareTripleChecker+Valid, 5628 SdHoareTripleChecker+Invalid, 15973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4347 IncrementalHoareTripleChecker+Valid, 11619 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:59:49,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9089 Valid, 5628 Invalid, 15973 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4347 Valid, 11619 Invalid, 7 Unknown, 0 Unchecked, 82.1s Time] [2022-11-20 11:59:49,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30611 states. [2022-11-20 11:59:52,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30611 to 30391. [2022-11-20 11:59:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30391 states, 18562 states have (on average 1.2406529468807241) internal successors, (23029), 19517 states have internal predecessors, (23029), 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) [2022-11-20 11:59:53,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30391 states to 30391 states and 46373 transitions. [2022-11-20 11:59:53,085 INFO L78 Accepts]: Start accepts. Automaton has 30391 states and 46373 transitions. Word has length 21 [2022-11-20 11:59:53,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:59:53,086 INFO L495 AbstractCegarLoop]: Abstraction has 30391 states and 46373 transitions. [2022-11-20 11:59:53,086 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) [2022-11-20 11:59:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 30391 states and 46373 transitions. [2022-11-20 11:59:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 11:59:53,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:59:53,087 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] [2022-11-20 11:59:53,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:59:53,088 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:59:53,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:53,088 INFO L85 PathProgramCache]: Analyzing trace with hash 345555243, now seen corresponding path program 1 times [2022-11-20 11:59:53,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:53,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301466163] [2022-11-20 11:59:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:53,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:59:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:59:53,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:53,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301466163] [2022-11-20 11:59:53,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301466163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:53,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:53,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:59:53,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934552092] [2022-11-20 11:59:53,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:53,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:59:53,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:53,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:59:53,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:59:53,964 INFO L87 Difference]: Start difference. First operand 30391 states and 46373 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) [2022-11-20 11:59:56,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:58,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:03,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:28,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:35,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:47,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:49,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:55,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:59,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:01,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:05,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:25,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:25,835 INFO L93 Difference]: Finished difference Result 89758 states and 155939 transitions. [2022-11-20 12:01:25,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:01:25,836 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 [2022-11-20 12:01:25,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:26,859 INFO L225 Difference]: With dead ends: 89758 [2022-11-20 12:01:26,859 INFO L226 Difference]: Without dead ends: 59380 [2022-11-20 12:01:27,244 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 [2022-11-20 12:01:27,248 INFO L413 NwaCegarLoop]: 2991 mSDtfsCounter, 7720 mSDsluCounter, 2506 mSDsCounter, 0 mSdLazyCounter, 11555 mSolverCounterSat, 4224 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8768 SdHoareTripleChecker+Valid, 5497 SdHoareTripleChecker+Invalid, 15789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4224 IncrementalHoareTripleChecker+Valid, 11555 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.9s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:27,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8768 Valid, 5497 Invalid, 15789 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4224 Valid, 11555 Invalid, 10 Unknown, 0 Unchecked, 85.9s Time] [2022-11-20 12:01:27,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59380 states. [2022-11-20 12:01:32,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59380 to 58970. [2022-11-20 12:01:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58970 states, 36042 states have (on average 1.2386105099606015) internal successors, (44642), 37944 states have internal predecessors, (44642), 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) [2022-11-20 12:01:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58970 states to 58970 states and 99153 transitions. [2022-11-20 12:01:33,632 INFO L78 Accepts]: Start accepts. Automaton has 58970 states and 99153 transitions. Word has length 22 [2022-11-20 12:01:33,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:33,632 INFO L495 AbstractCegarLoop]: Abstraction has 58970 states and 99153 transitions. [2022-11-20 12:01:33,632 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) [2022-11-20 12:01:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand 58970 states and 99153 transitions. [2022-11-20 12:01:33,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 12:01:33,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:33,634 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] [2022-11-20 12:01:33,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:01:33,635 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:33,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:33,635 INFO L85 PathProgramCache]: Analyzing trace with hash 2119123302, now seen corresponding path program 1 times [2022-11-20 12:01:33,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:33,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454061765] [2022-11-20 12:01:33,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:33,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:01:35,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:35,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454061765] [2022-11-20 12:01:35,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454061765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:35,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:01:35,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:01:35,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428012532] [2022-11-20 12:01:35,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:35,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:01:35,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:35,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:01:35,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:01:35,121 INFO L87 Difference]: Start difference. First operand 58970 states and 99153 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) [2022-11-20 12:01:37,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:39,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:45,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:10,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:24,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:30,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:32,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:37,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:05,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:05,846 INFO L93 Difference]: Finished difference Result 117927 states and 235627 transitions. [2022-11-20 12:03:05,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:03:05,847 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 [2022-11-20 12:03:05,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:03:07,660 INFO L225 Difference]: With dead ends: 117927 [2022-11-20 12:03:07,660 INFO L226 Difference]: Without dead ends: 117923 [2022-11-20 12:03:07,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:03:07,746 INFO L413 NwaCegarLoop]: 3057 mSDtfsCounter, 7956 mSDsluCounter, 2550 mSDsCounter, 0 mSdLazyCounter, 11515 mSolverCounterSat, 4362 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9054 SdHoareTripleChecker+Valid, 5607 SdHoareTripleChecker+Invalid, 15885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 4362 IncrementalHoareTripleChecker+Valid, 11515 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:03:07,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9054 Valid, 5607 Invalid, 15885 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [4362 Valid, 11515 Invalid, 8 Unknown, 0 Unchecked, 79.3s Time] [2022-11-20 12:03:07,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117923 states.