./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF --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 361bd2b52d69acc79135737d48d0d1004516ca1cf417ed92bc1b0911609b51f5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:16:32,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:16:32,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:16:32,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:16:32,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:16:32,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:16:32,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:16:32,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:16:32,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:16:32,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:16:32,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:16:32,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:16:32,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:16:32,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:16:32,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:16:32,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:16:32,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:16:32,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:16:32,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:16:32,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:16:32,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:16:32,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:16:32,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:16:32,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:16:32,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:16:32,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:16:32,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:16:32,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:16:32,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:16:32,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:16:32,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:16:32,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:16:32,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:16:32,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:16:32,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:16:32,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:16:32,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:16:32,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:16:32,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:16:32,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:16:32,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:16:32,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:16:32,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:16:32,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:16:32,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:16:32,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:16:32,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:16:32,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:16:32,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:16:32,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:16:32,373 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:16:32,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:16:32,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:16:32,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:16:32,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:16:32,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:16:32,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:16:32,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:16:32,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:16:32,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:16:32,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:16:32,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:16:32,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:16:32,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:16:32,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:16:32,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:16:32,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:16:32,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:16:32,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:16:32,377 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:16:32,377 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:16:32,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:16:32,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:16:32,378 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_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 361bd2b52d69acc79135737d48d0d1004516ca1cf417ed92bc1b0911609b51f5 [2021-11-20 06:16:32,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:16:32,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:16:32,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:16:32,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:16:32,644 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:16:32,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2021-11-20 06:16:32,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/data/00b537b3e/e8c682a9866d487eb9d824a4e61e4506/FLAGcd6ce81e3 [2021-11-20 06:16:34,126 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:16:34,126 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2021-11-20 06:16:34,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/data/00b537b3e/e8c682a9866d487eb9d824a4e61e4506/FLAGcd6ce81e3 [2021-11-20 06:16:34,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/data/00b537b3e/e8c682a9866d487eb9d824a4e61e4506 [2021-11-20 06:16:34,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:16:34,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:16:34,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:16:34,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:16:34,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:16:34,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:34" (1/1) ... [2021-11-20 06:16:34,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c523400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:34, skipping insertion in model container [2021-11-20 06:16:34,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:16:34" (1/1) ... [2021-11-20 06:16:34,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:16:35,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:16:42,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i[2481199,2481212] [2021-11-20 06:16:42,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:16:42,894 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:16:45,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i[2481199,2481212] [2021-11-20 06:16:45,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:16:45,817 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:16:45,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45 WrapperNode [2021-11-20 06:16:45,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:16:45,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:16:45,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:16:45,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:16:45,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45" (1/1) ... [2021-11-20 06:16:47,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45" (1/1) ... [2021-11-20 06:16:51,812 INFO L137 Inliner]: procedures = 319, calls = 2983, calls flagged for inlining = 152, calls inlined = 141, statements flattened = 270235 [2021-11-20 06:16:51,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:16:51,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:16:51,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:16:51,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:16:51,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45" (1/1) ... [2021-11-20 06:16:51,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45" (1/1) ... [2021-11-20 06:16:52,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45" (1/1) ... [2021-11-20 06:16:52,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45" (1/1) ... [2021-11-20 06:16:56,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45" (1/1) ... [2021-11-20 06:16:58,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45" (1/1) ... [2021-11-20 06:16:59,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45" (1/1) ... [2021-11-20 06:17:00,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:17:00,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:17:00,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:17:00,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:17:00,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45" (1/1) ... [2021-11-20 06:17:00,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:17:00,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:17:00,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:17:00,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e88dac-a9f9-4ae5-9a20-caa418e7ec4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:17:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2021-11-20 06:17:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2021-11-20 06:17:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2021-11-20 06:17:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2021-11-20 06:17:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2021-11-20 06:17:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2021-11-20 06:17:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2021-11-20 06:17:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2021-11-20 06:17:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2021-11-20 06:17:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2021-11-20 06:17:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_function [2021-11-20 06:17:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_function [2021-11-20 06:17:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2021-11-20 06:17:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2021-11-20 06:17:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:17:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2021-11-20 06:17:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2021-11-20 06:17:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:17:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:17:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:17:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 06:17:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 06:17:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_bus [2021-11-20 06:17:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_bus [2021-11-20 06:17:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2021-11-20 06:17:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2021-11-20 06:17:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2021-11-20 06:17:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2021-11-20 06:17:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2021-11-20 06:17:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2021-11-20 06:17:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_write [2021-11-20 06:17:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_write [2021-11-20 06:17:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 06:17:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 06:17:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-20 06:17:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-20 06:17:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:17:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:17:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2021-11-20 06:17:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2021-11-20 06:17:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-11-20 06:17:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-11-20 06:17:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2021-11-20 06:17:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2021-11-20 06:17:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-20 06:17:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-20 06:17:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 06:17:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 06:17:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2021-11-20 06:17:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2021-11-20 06:17:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 06:17:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 06:17:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:17:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:17:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_slot [2021-11-20 06:17:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_slot [2021-11-20 06:17:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:17:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:17:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-20 06:17:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-20 06:17:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 06:17:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 06:17:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:17:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:17:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-20 06:17:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-20 06:17:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2021-11-20 06:17:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2021-11-20 06:17:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-20 06:17:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-20 06:17:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2021-11-20 06:17:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2021-11-20 06:17:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2021-11-20 06:17:00,546 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2021-11-20 06:17:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:17:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_virqfd_disable [2021-11-20 06:17:00,546 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_virqfd_disable [2021-11-20 06:17:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-20 06:17:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-20 06:17:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_root_bus [2021-11-20 06:17:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_root_bus [2021-11-20 06:17:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:17:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2021-11-20 06:17:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2021-11-20 06:17:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_spapr_pci_eeh_open [2021-11-20 06:17:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_spapr_pci_eeh_open [2021-11-20 06:17:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_unmap [2021-11-20 06:17:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_unmap [2021-11-20 06:17:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure do_io_rw [2021-11-20 06:17:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure do_io_rw [2021-11-20 06:17:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2021-11-20 06:17:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2021-11-20 06:17:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 06:17:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 06:17:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 06:17:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 06:17:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2021-11-20 06:17:00,551 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2021-11-20 06:17:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2021-11-20 06:17:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2021-11-20 06:17:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:17:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 06:17:00,553 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 06:17:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2021-11-20 06:17:00,553 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2021-11-20 06:17:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:17:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_read [2021-11-20 06:17:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_read [2021-11-20 06:17:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-20 06:17:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-20 06:17:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2021-11-20 06:17:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2021-11-20 06:17:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-20 06:17:00,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-20 06:17:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 06:17:00,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 06:17:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-20 06:17:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-20 06:17:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-11-20 06:17:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-11-20 06:17:00,560 INFO L130 BoogieDeclarations]: Found specification of procedure vga_client_register [2021-11-20 06:17:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_client_register [2021-11-20 06:17:00,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:17:00,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-20 06:17:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-20 06:17:00,563 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-11-20 06:17:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-11-20 06:17:00,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2021-11-20 06:17:00,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2021-11-20 06:17:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2021-11-20 06:17:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2021-11-20 06:17:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:17:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2021-11-20 06:17:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2021-11-20 06:17:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2021-11-20 06:17:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2021-11-20 06:17:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2021-11-20 06:17:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2021-11-20 06:17:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:17:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-20 06:17:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-20 06:17:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:17:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:17:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_bus [2021-11-20 06:17:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_bus [2021-11-20 06:17:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2021-11-20 06:17:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2021-11-20 06:17:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 06:17:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 06:17:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_rw [2021-11-20 06:17:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_rw [2021-11-20 06:17:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:17:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:17:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-20 06:17:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-20 06:17:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2021-11-20 06:17:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2021-11-20 06:17:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:17:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 06:17:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 06:17:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 06:17:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 06:17:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2021-11-20 06:17:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2021-11-20 06:17:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2021-11-20 06:17:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2021-11-20 06:17:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-20 06:17:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-20 06:17:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:17:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:17:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2021-11-20 06:17:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2021-11-20 06:17:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 06:17:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 06:17:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2021-11-20 06:17:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2021-11-20 06:17:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:17:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-20 06:17:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2021-11-20 06:17:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2021-11-20 06:17:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 06:17:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 06:17:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2021-11-20 06:17:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2021-11-20 06:17:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2021-11-20 06:17:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2021-11-20 06:17:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 06:17:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 06:17:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:17:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2021-11-20 06:17:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2021-11-20 06:17:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2021-11-20 06:17:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2021-11-20 06:17:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2021-11-20 06:17:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2021-11-20 06:17:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:17:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-20 06:17:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-20 06:17:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_ctx_trigger_single [2021-11-20 06:17:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_ctx_trigger_single [2021-11-20 06:17:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2021-11-20 06:17:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2021-11-20 06:17:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure vga_set_legacy_decoding [2021-11-20 06:17:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_set_legacy_decoding [2021-11-20 06:17:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_for_each_slot_or_bus [2021-11-20 06:17:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_for_each_slot_or_bus [2021-11-20 06:17:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vga_disabled [2021-11-20 06:17:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vga_disabled [2021-11-20 06:17:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-20 06:17:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-20 06:17:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2021-11-20 06:17:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2021-11-20 06:17:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2021-11-20 06:17:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2021-11-20 06:17:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2021-11-20 06:17:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2021-11-20 06:17:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2021-11-20 06:17:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2021-11-20 06:17:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 06:17:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 06:17:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:17:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:17:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2021-11-20 06:17:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2021-11-20 06:17:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_bar_rw [2021-11-20 06:17:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_bar_rw [2021-11-20 06:17:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-20 06:17:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-20 06:17:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-20 06:17:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-20 06:17:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-20 06:17:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-20 06:17:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:17:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:17:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:17:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_is_vga [2021-11-20 06:17:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_is_vga [2021-11-20 06:17:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_request [2021-11-20 06:17:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_request [2021-11-20 06:17:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_slot [2021-11-20 06:17:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_slot [2021-11-20 06:17:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 06:17:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 06:17:01,664 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:17:01,668 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:17:01,887 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:20:16,817 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:20:17,684 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:20:17,684 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:20:17,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:17 BoogieIcfgContainer [2021-11-20 06:20:17,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:20:17,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:20:17,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:20:17,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:20:17,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:16:34" (1/3) ... [2021-11-20 06:20:17,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609cb4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:20:17, skipping insertion in model container [2021-11-20 06:20:17,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:16:45" (2/3) ... [2021-11-20 06:20:17,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609cb4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:20:17, skipping insertion in model container [2021-11-20 06:20:17,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:17" (3/3) ... [2021-11-20 06:20:17,820 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2021-11-20 06:20:17,827 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:20:17,827 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:20:18,418 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:20:18,425 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:20:18,425 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:20:21,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 264483 states, 263853 states have (on average 1.499399286724047) internal successors, (395621), 263894 states have internal predecessors, (395621), 516 states have call successors, (516), 113 states have call predecessors, (516), 112 states have return successors, (510), 503 states have call predecessors, (510), 510 states have call successors, (510) [2021-11-20 06:20:21,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-20 06:20:21,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:20:21,629 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:20:21,630 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:20:21,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:21,634 INFO L85 PathProgramCache]: Analyzing trace with hash -59496363, now seen corresponding path program 1 times [2021-11-20 06:20:21,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:21,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582073942] [2021-11-20 06:20:21,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:21,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:20:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:20:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:20:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:20:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:20:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 06:20:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 06:20:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 06:20:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 06:20:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:20:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:22,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 06:20:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-20 06:20:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-20 06:20:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-20 06:20:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-20 06:20:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 06:20:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-20 06:20:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-20 06:20:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 06:20:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-20 06:20:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2021-11-20 06:20:23,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:23,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582073942] [2021-11-20 06:20:23,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582073942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:23,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:23,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:20:23,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034257371] [2021-11-20 06:20:23,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:23,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:20:23,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:23,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:20:23,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:20:23,633 INFO L87 Difference]: Start difference. First operand has 264483 states, 263853 states have (on average 1.499399286724047) internal successors, (395621), 263894 states have internal predecessors, (395621), 516 states have call successors, (516), 113 states have call predecessors, (516), 112 states have return successors, (510), 503 states have call predecessors, (510), 510 states have call successors, (510) Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)