./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/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_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 17:15:35,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:15:35,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:15:35,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:15:35,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:15:35,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:15:35,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:15:35,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:15:35,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:15:35,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:15:35,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:15:35,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:15:35,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:15:35,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:15:35,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:15:35,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:15:35,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:15:35,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:15:35,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:15:35,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:15:35,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:15:35,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:15:35,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:15:35,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:15:35,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:15:35,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:15:35,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:15:35,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:15:35,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:15:35,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:15:35,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:15:35,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:15:35,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:15:35,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:15:35,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:15:35,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:15:35,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:15:35,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:15:35,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:15:35,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:15:35,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:15:35,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 17:15:35,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:15:35,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:15:35,999 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:15:35,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:15:36,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:15:36,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:15:36,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:15:36,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:15:36,001 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:15:36,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:15:36,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:15:36,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:15:36,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:15:36,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:15:36,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:15:36,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:15:36,003 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:15:36,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:15:36,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:15:36,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:15:36,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:15:36,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:15:36,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:15:36,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:15:36,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:15:36,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:15:36,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:15:36,006 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:15:36,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:15:36,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:15:36,006 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_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 879e6f4b2aed167489a665cf8f7fd15baaab5532f933532db7f913dd6f6b658a [2022-11-21 17:15:36,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:15:36,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:15:36,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:15:36,362 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:15:36,362 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:15:36,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/../../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 [2022-11-21 17:15:39,316 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:15:40,398 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:15:40,398 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/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 [2022-11-21 17:15:40,521 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/data/622a93d9a/b7cebc73a69d491888ff2f623c6981c2/FLAGd286148ce [2022-11-21 17:15:40,546 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/data/622a93d9a/b7cebc73a69d491888ff2f623c6981c2 [2022-11-21 17:15:40,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:15:40,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:15:40,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:15:40,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:15:40,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:15:40,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:15:40" (1/1) ... [2022-11-21 17:15:40,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd7247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:40, skipping insertion in model container [2022-11-21 17:15:40,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:15:40" (1/1) ... [2022-11-21 17:15:40,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:15:41,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:15:47,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/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] [2022-11-21 17:15:48,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:15:48,128 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:15:50,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/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] [2022-11-21 17:15:50,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:15:50,876 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:15:50,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50 WrapperNode [2022-11-21 17:15:50,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:15:50,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:15:50,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:15:50,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:15:50,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (1/1) ... [2022-11-21 17:15:52,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (1/1) ... [2022-11-21 17:15:56,198 INFO L138 Inliner]: procedures = 410, calls = 3154, calls flagged for inlining = 161, calls inlined = 148, statements flattened = 270334 [2022-11-21 17:15:56,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:15:56,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:15:56,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:15:56,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:15:56,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (1/1) ... [2022-11-21 17:15:56,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (1/1) ... [2022-11-21 17:15:57,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (1/1) ... [2022-11-21 17:15:57,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (1/1) ... [2022-11-21 17:15:59,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (1/1) ... [2022-11-21 17:16:02,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (1/1) ... [2022-11-21 17:16:02,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (1/1) ... [2022-11-21 17:16:03,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (1/1) ... [2022-11-21 17:16:04,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:16:04,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:16:04,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:16:04,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:16:04,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (1/1) ... [2022-11-21 17:16:04,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:16:04,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:16:04,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:16:04,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339edb85-fab8-4f05-bc08-a0c860c1fc4b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:16:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2022-11-21 17:16:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2022-11-21 17:16:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2022-11-21 17:16:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2022-11-21 17:16:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2022-11-21 17:16:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2022-11-21 17:16:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2022-11-21 17:16:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2022-11-21 17:16:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 17:16:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 17:16:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_bus [2022-11-21 17:16:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_bus [2022-11-21 17:16:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2022-11-21 17:16:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2022-11-21 17:16:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 17:16:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 17:16:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-21 17:16:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-21 17:16:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-21 17:16:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-21 17:16:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-21 17:16:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-21 17:16:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 17:16:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 17:16:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_virqfd_disable [2022-11-21 17:16:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_virqfd_disable [2022-11-21 17:16:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2022-11-21 17:16:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2022-11-21 17:16:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_unmap [2022-11-21 17:16:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_unmap [2022-11-21 17:16:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure do_io_rw [2022-11-21 17:16:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure do_io_rw [2022-11-21 17:16:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 17:16:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 17:16:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 17:16:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 17:16:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2022-11-21 17:16:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2022-11-21 17:16:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:16:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-21 17:16:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-21 17:16:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2022-11-21 17:16:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2022-11-21 17:16:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_read [2022-11-21 17:16:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_read [2022-11-21 17:16:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-21 17:16:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-21 17:16:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2022-11-21 17:16:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2022-11-21 17:16:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-21 17:16:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-21 17:16:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 17:16:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 17:16:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-11-21 17:16:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-11-21 17:16:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure vga_client_register [2022-11-21 17:16:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_client_register [2022-11-21 17:16:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 17:16:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-21 17:16:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-21 17:16:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-11-21 17:16:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-11-21 17:16:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2022-11-21 17:16:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2022-11-21 17:16:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2022-11-21 17:16:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2022-11-21 17:16:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 17:16:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2022-11-21 17:16:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2022-11-21 17:16:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:16:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-21 17:16:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-21 17:16:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 17:16:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 17:16:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_bus [2022-11-21 17:16:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_bus [2022-11-21 17:16:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2022-11-21 17:16:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2022-11-21 17:16:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_rw [2022-11-21 17:16:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_rw [2022-11-21 17:16:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-21 17:16:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-21 17:16:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 17:16:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 17:16:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-21 17:16:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-21 17:16:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-11-21 17:16:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-11-21 17:16:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2022-11-21 17:16:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2022-11-21 17:16:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2022-11-21 17:16:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2022-11-21 17:16:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 17:16:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 17:16:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2022-11-21 17:16:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2022-11-21 17:16:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:16:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2022-11-21 17:16:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2022-11-21 17:16:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2022-11-21 17:16:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2022-11-21 17:16:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:16:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:16:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-21 17:16:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-21 17:16:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_ctx_trigger_single [2022-11-21 17:16:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_ctx_trigger_single [2022-11-21 17:16:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2022-11-21 17:16:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2022-11-21 17:16:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2022-11-21 17:16:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2022-11-21 17:16:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 17:16:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 17:16:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2022-11-21 17:16:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2022-11-21 17:16:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_bar_rw [2022-11-21 17:16:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_bar_rw [2022-11-21 17:16:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-21 17:16:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-21 17:16:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-21 17:16:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-21 17:16:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:16:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:16:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 17:16:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 17:16:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2022-11-21 17:16:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2022-11-21 17:16:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2022-11-21 17:16:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2022-11-21 17:16:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2022-11-21 17:16:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2022-11-21 17:16:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_function [2022-11-21 17:16:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_function [2022-11-21 17:16:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 17:16:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 17:16:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 17:16:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 17:16:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2022-11-21 17:16:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2022-11-21 17:16:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2022-11-21 17:16:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2022-11-21 17:16:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_write [2022-11-21 17:16:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_write [2022-11-21 17:16:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-21 17:16:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-21 17:16:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2022-11-21 17:16:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2022-11-21 17:16:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-21 17:16:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-21 17:16:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2022-11-21 17:16:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2022-11-21 17:16:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2022-11-21 17:16:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2022-11-21 17:16:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 17:16:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 17:16:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 17:16:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 17:16:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_slot [2022-11-21 17:16:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_slot [2022-11-21 17:16:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 17:16:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 17:16:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-21 17:16:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-21 17:16:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-21 17:16:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-21 17:16:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 17:16:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 17:16:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-21 17:16:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-21 17:16:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2022-11-21 17:16:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2022-11-21 17:16:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-21 17:16:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-21 17:16:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2022-11-21 17:16:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2022-11-21 17:16:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2022-11-21 17:16:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2022-11-21 17:16:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2022-11-21 17:16:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2022-11-21 17:16:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-21 17:16:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-21 17:16:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:16:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-21 17:16:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-21 17:16:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_root_bus [2022-11-21 17:16:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_root_bus [2022-11-21 17:16:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:16:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_spapr_pci_eeh_open [2022-11-21 17:16:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_spapr_pci_eeh_open [2022-11-21 17:16:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2022-11-21 17:16:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2022-11-21 17:16:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2022-11-21 17:16:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2022-11-21 17:16:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:16:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 17:16:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 17:16:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 17:16:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 17:16:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2022-11-21 17:16:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2022-11-21 17:16:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2022-11-21 17:16:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2022-11-21 17:16:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 17:16:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 17:16:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2022-11-21 17:16:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2022-11-21 17:16:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:16:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-21 17:16:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-21 17:16:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 17:16:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 17:16:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2022-11-21 17:16:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2022-11-21 17:16:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 17:16:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 17:16:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2022-11-21 17:16:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2022-11-21 17:16:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-21 17:16:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-21 17:16:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2022-11-21 17:16:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2022-11-21 17:16:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-11-21 17:16:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-11-21 17:16:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2022-11-21 17:16:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2022-11-21 17:16:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2022-11-21 17:16:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2022-11-21 17:16:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2022-11-21 17:16:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2022-11-21 17:16:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure vga_set_legacy_decoding [2022-11-21 17:16:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_set_legacy_decoding [2022-11-21 17:16:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_for_each_slot_or_bus [2022-11-21 17:16:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_for_each_slot_or_bus [2022-11-21 17:16:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vga_disabled [2022-11-21 17:16:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vga_disabled [2022-11-21 17:16:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-21 17:16:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-21 17:16:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2022-11-21 17:16:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2022-11-21 17:16:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2022-11-21 17:16:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2022-11-21 17:16:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2022-11-21 17:16:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2022-11-21 17:16:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-21 17:16:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-21 17:16:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-21 17:16:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-21 17:16:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:16:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_is_vga [2022-11-21 17:16:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_is_vga [2022-11-21 17:16:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_request [2022-11-21 17:16:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_request [2022-11-21 17:16:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_slot [2022-11-21 17:16:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_slot [2022-11-21 17:16:05,766 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:16:05,770 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:16:05,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 17:19:58,587 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:19:59,568 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:19:59,569 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:19:59,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:59 BoogieIcfgContainer [2022-11-21 17:19:59,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:19:59,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:19:59,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:19:59,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:19:59,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:15:40" (1/3) ... [2022-11-21 17:19:59,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc02f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:19:59, skipping insertion in model container [2022-11-21 17:19:59,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:50" (2/3) ... [2022-11-21 17:19:59,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc02f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:19:59, skipping insertion in model container [2022-11-21 17:19:59,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:59" (3/3) ... [2022-11-21 17:19:59,704 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2022-11-21 17:19:59,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:19:59,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:20:02,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:20:02,280 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;@7ab14f10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:20:02,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:20:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 264547 states, 263891 states have (on average 1.4993804260092236) internal successors, (395673), 263940 states have internal predecessors, (395673), 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) [2022-11-21 17:20:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-21 17:20:02,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:20:02,712 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] [2022-11-21 17:20:02,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:20:02,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:02,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1799772566, now seen corresponding path program 1 times [2022-11-21 17:20:02,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:02,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061933106] [2022-11-21 17:20:02,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:02,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:20:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:20:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:20:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:20:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:20:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:20:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:20:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:20:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:20:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:20:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 17:20:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 17:20:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:20:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:20:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:20:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-21 17:20:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:20:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-21 17:20:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 17:20:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-21 17:20:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-21 17:20:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:20:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:04,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2022-11-21 17:20:04,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:04,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061933106] [2022-11-21 17:20:04,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061933106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:04,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:04,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:20:04,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658381955] [2022-11-21 17:20:04,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:04,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:20:04,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:04,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:20:04,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:20:05,237 INFO L87 Difference]: Start difference. First operand has 264547 states, 263891 states have (on average 1.4993804260092236) internal successors, (395673), 263940 states have internal predecessors, (395673), 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)