./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-32_7a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro --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 879e6f4b2aed167489a665cf8f7fd15baaab5532f933532db7f913dd6f6b658a --- 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-8393723 [2022-11-18 20:24:21,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:24:21,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:24:21,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:24:21,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:24:21,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:24:21,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:24:21,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:24:21,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:24:21,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:24:21,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:24:21,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:24:21,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:24:21,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:24:21,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:24:21,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:24:21,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:24:21,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:24:21,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:24:21,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:24:21,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:24:21,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:24:21,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:24:21,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:24:21,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:24:21,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:24:21,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:24:21,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:24:21,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:24:21,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:24:21,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:24:21,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:24:21,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:24:21,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:24:21,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:24:21,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:24:21,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:24:21,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:24:21,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:24:21,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:24:21,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:24:21,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:24:21,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:24:21,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:24:21,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:24:21,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:24:21,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:24:21,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:24:21,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:24:21,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:24:21,424 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:24:21,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:24:21,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:24:21,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:24:21,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:24:21,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:24:21,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:24:21,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:24:21,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:24:21,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:24:21,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:24:21,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:24:21,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:24:21,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:24:21,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:24:21,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:24:21,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:24:21,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:24:21,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:24:21,430 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:24:21,430 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:24:21,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:24:21,430 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_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 879e6f4b2aed167489a665cf8f7fd15baaab5532f933532db7f913dd6f6b658a [2022-11-18 20:24:21,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:24:21,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:24:21,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:24:21,810 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:24:21,812 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:24:21,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2022-11-18 20:24:21,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/data/abde3b8da/3fa4a57a7fad470e850698096183099b/FLAGd741a44b5 [2022-11-18 20:24:23,369 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:24:23,370 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2022-11-18 20:24:23,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/data/abde3b8da/3fa4a57a7fad470e850698096183099b/FLAGd741a44b5 [2022-11-18 20:24:23,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/data/abde3b8da/3fa4a57a7fad470e850698096183099b [2022-11-18 20:24:23,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:24:23,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:24:23,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:24:23,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:24:23,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:24:23,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:24:23" (1/1) ... [2022-11-18 20:24:23,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72249080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:23, skipping insertion in model container [2022-11-18 20:24:23,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:24:23" (1/1) ... [2022-11-18 20:24:23,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:24:24,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:24:31,924 WARN L234 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_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i[2490260,2490273] [2022-11-18 20:24:32,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:24:32,700 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:24:35,147 WARN L234 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_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i[2490260,2490273] [2022-11-18 20:24:35,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:24:35,333 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:24:35,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35 WrapperNode [2022-11-18 20:24:35,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:24:35,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:24:35,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:24:35,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:24:35,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (1/1) ... [2022-11-18 20:24:36,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (1/1) ... [2022-11-18 20:24:40,723 INFO L138 Inliner]: procedures = 410, calls = 3154, calls flagged for inlining = 161, calls inlined = 148, statements flattened = 270386 [2022-11-18 20:24:40,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:24:40,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:24:40,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:24:40,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:24:40,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (1/1) ... [2022-11-18 20:24:40,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (1/1) ... [2022-11-18 20:24:41,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (1/1) ... [2022-11-18 20:24:41,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (1/1) ... [2022-11-18 20:24:44,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (1/1) ... [2022-11-18 20:24:47,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (1/1) ... [2022-11-18 20:24:47,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (1/1) ... [2022-11-18 20:24:48,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (1/1) ... [2022-11-18 20:24:49,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:24:49,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:24:49,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:24:49,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:24:49,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (1/1) ... [2022-11-18 20:24:49,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:24:49,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:24:49,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:24:49,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d5e323-c40b-4e6d-9894-2aa3b0fe4272/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:24:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2022-11-18 20:24:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2022-11-18 20:24:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2022-11-18 20:24:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2022-11-18 20:24:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2022-11-18 20:24:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2022-11-18 20:24:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2022-11-18 20:24:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2022-11-18 20:24:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:24:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:24:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_bus [2022-11-18 20:24:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_bus [2022-11-18 20:24:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2022-11-18 20:24:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2022-11-18 20:24:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:24:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:24:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-18 20:24:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-18 20:24:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 20:24:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 20:24:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-18 20:24:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-18 20:24:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:24:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:24:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_virqfd_disable [2022-11-18 20:24:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_virqfd_disable [2022-11-18 20:24:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2022-11-18 20:24:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2022-11-18 20:24:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_unmap [2022-11-18 20:24:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_unmap [2022-11-18 20:24:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure do_io_rw [2022-11-18 20:24:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure do_io_rw [2022-11-18 20:24:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 20:24:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 20:24:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:24:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:24:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2022-11-18 20:24:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2022-11-18 20:24:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:24:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 20:24:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 20:24:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2022-11-18 20:24:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2022-11-18 20:24:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_read [2022-11-18 20:24:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_read [2022-11-18 20:24:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-18 20:24:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-18 20:24:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2022-11-18 20:24:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2022-11-18 20:24:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-18 20:24:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-18 20:24:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 20:24:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 20:24:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-11-18 20:24:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-11-18 20:24:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure vga_client_register [2022-11-18 20:24:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_client_register [2022-11-18 20:24:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:24:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-18 20:24:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-18 20:24:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-11-18 20:24:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-11-18 20:24:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2022-11-18 20:24:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2022-11-18 20:24:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2022-11-18 20:24:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2022-11-18 20:24:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:24:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2022-11-18 20:24:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2022-11-18 20:24:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:24:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-18 20:24:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-18 20:24:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:24:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:24:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_bus [2022-11-18 20:24:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_bus [2022-11-18 20:24:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2022-11-18 20:24:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2022-11-18 20:24:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_rw [2022-11-18 20:24:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_rw [2022-11-18 20:24:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-18 20:24:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-18 20:24:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:24:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:24:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 20:24:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 20:24:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-11-18 20:24:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-11-18 20:24:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2022-11-18 20:24:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2022-11-18 20:24:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2022-11-18 20:24:49,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2022-11-18 20:24:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 20:24:49,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 20:24:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2022-11-18 20:24:49,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2022-11-18 20:24:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:24:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2022-11-18 20:24:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2022-11-18 20:24:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2022-11-18 20:24:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2022-11-18 20:24:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:24:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:24:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-18 20:24:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-18 20:24:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_ctx_trigger_single [2022-11-18 20:24:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_ctx_trigger_single [2022-11-18 20:24:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2022-11-18 20:24:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2022-11-18 20:24:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2022-11-18 20:24:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2022-11-18 20:24:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:24:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:24:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2022-11-18 20:24:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2022-11-18 20:24:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_bar_rw [2022-11-18 20:24:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_bar_rw [2022-11-18 20:24:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-18 20:24:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-18 20:24:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-18 20:24:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-18 20:24:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:24:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:24:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 20:24:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 20:24:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2022-11-18 20:24:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2022-11-18 20:24:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2022-11-18 20:24:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2022-11-18 20:24:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2022-11-18 20:24:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2022-11-18 20:24:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_function [2022-11-18 20:24:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_function [2022-11-18 20:24:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:24:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:24:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:24:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:24:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2022-11-18 20:24:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2022-11-18 20:24:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2022-11-18 20:24:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2022-11-18 20:24:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_write [2022-11-18 20:24:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_write [2022-11-18 20:24:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 20:24:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 20:24:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2022-11-18 20:24:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2022-11-18 20:24:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-18 20:24:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-18 20:24:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2022-11-18 20:24:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2022-11-18 20:24:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2022-11-18 20:24:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2022-11-18 20:24:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:24:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:24:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:24:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:24:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_slot [2022-11-18 20:24:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_slot [2022-11-18 20:24:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:24:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:24:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-18 20:24:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-18 20:24:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-18 20:24:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-18 20:24:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:24:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:24:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-18 20:24:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-18 20:24:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2022-11-18 20:24:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2022-11-18 20:24:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 20:24:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 20:24:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2022-11-18 20:24:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2022-11-18 20:24:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2022-11-18 20:24:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2022-11-18 20:24:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2022-11-18 20:24:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2022-11-18 20:24:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-18 20:24:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-18 20:24:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:24:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-18 20:24:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-18 20:24:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_root_bus [2022-11-18 20:24:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_root_bus [2022-11-18 20:24:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:24:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_spapr_pci_eeh_open [2022-11-18 20:24:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_spapr_pci_eeh_open [2022-11-18 20:24:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2022-11-18 20:24:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2022-11-18 20:24:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2022-11-18 20:24:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2022-11-18 20:24:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:24:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:24:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:24:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 20:24:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 20:24:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2022-11-18 20:24:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2022-11-18 20:24:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2022-11-18 20:24:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2022-11-18 20:24:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:24:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:24:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2022-11-18 20:24:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2022-11-18 20:24:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:24:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-18 20:24:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-18 20:24:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:24:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:24:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2022-11-18 20:24:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2022-11-18 20:24:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 20:24:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 20:24:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2022-11-18 20:24:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2022-11-18 20:24:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 20:24:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 20:24:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2022-11-18 20:24:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2022-11-18 20:24:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-11-18 20:24:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-11-18 20:24:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2022-11-18 20:24:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2022-11-18 20:24:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2022-11-18 20:24:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2022-11-18 20:24:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2022-11-18 20:24:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2022-11-18 20:24:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure vga_set_legacy_decoding [2022-11-18 20:24:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_set_legacy_decoding [2022-11-18 20:24:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_for_each_slot_or_bus [2022-11-18 20:24:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_for_each_slot_or_bus [2022-11-18 20:24:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vga_disabled [2022-11-18 20:24:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vga_disabled [2022-11-18 20:24:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-18 20:24:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-18 20:24:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2022-11-18 20:24:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2022-11-18 20:24:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2022-11-18 20:24:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2022-11-18 20:24:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2022-11-18 20:24:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2022-11-18 20:24:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 20:24:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 20:24:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-18 20:24:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-18 20:24:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:24:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_is_vga [2022-11-18 20:24:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_is_vga [2022-11-18 20:24:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_request [2022-11-18 20:24:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_request [2022-11-18 20:24:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_slot [2022-11-18 20:24:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_slot [2022-11-18 20:24:50,653 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:24:50,658 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:24:50,897 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:29:16,052 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:29:17,243 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:29:17,244 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:29:17,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:29:17 BoogieIcfgContainer [2022-11-18 20:29:17,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:29:17,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:29:17,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:29:17,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:29:17,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:24:23" (1/3) ... [2022-11-18 20:29:17,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124e3c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:29:17, skipping insertion in model container [2022-11-18 20:29:17,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:24:35" (2/3) ... [2022-11-18 20:29:17,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124e3c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:29:17, skipping insertion in model container [2022-11-18 20:29:17,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:29:17" (3/3) ... [2022-11-18 20:29:17,418 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2022-11-18 20:29:17,458 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:29:17,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:29:20,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:29:20,697 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;@3f58910e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:29:20,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:29:21,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 264576 states, 263920 states have (on average 1.499408911791452) internal successors, (395724), 263969 states have internal predecessors, (395724), 536 states have call successors, (536), 119 states have call predecessors, (536), 118 states have return successors, (530), 523 states have call predecessors, (530), 530 states have call successors, (530) [2022-11-18 20:29:21,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-18 20:29:21,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:21,328 INFO L195 NwaCegarLoop]: 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] [2022-11-18 20:29:21,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:29:21,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:21,336 INFO L85 PathProgramCache]: Analyzing trace with hash 380184020, now seen corresponding path program 1 times [2022-11-18 20:29:21,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:21,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218366936] [2022-11-18 20:29:21,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:21,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:29:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:29:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:29:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:29:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:29:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:29:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:29:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:29:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:29:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 20:29:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 20:29:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 20:29:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:29:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 20:29:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 20:29:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 20:29:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-18 20:29:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:29:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 20:29:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-18 20:29:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2022-11-18 20:29:23,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:23,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218366936] [2022-11-18 20:29:23,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218366936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:23,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:23,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:29:23,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970892131] [2022-11-18 20:29:23,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:23,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:29:23,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:23,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:29:23,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:29:24,818 INFO L87 Difference]: Start difference. First operand has 264576 states, 263920 states have (on average 1.499408911791452) internal successors, (395724), 263969 states have internal predecessors, (395724), 536 states have call successors, (536), 119 states have call predecessors, (536), 118 states have return successors, (530), 523 states have call predecessors, (530), 530 states have call successors, (530) Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)