./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_94317c63-e50a-4344-bf5a-09869c8643d0/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/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_94317c63-e50a-4344-bf5a-09869c8643d0/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/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_94317c63-e50a-4344-bf5a-09869c8643d0/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 361bd2b52d69acc79135737d48d0d1004516ca1cf417ed92bc1b0911609b51f5 --- 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 13:45:10,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:45:10,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:45:10,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:45:10,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:45:10,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:45:10,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:45:10,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:45:10,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:45:10,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:45:10,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:45:10,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:45:10,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:45:10,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:45:10,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:45:10,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:45:10,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:45:10,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:45:10,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:45:10,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:45:10,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:45:10,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:45:10,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:45:10,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:45:10,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:45:10,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:45:10,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:45:10,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:45:10,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:45:10,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:45:10,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:45:10,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:45:10,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:45:10,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:45:10,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:45:10,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:45:10,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:45:10,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:45:10,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:45:10,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:45:10,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:45:10,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 13:45:10,738 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:45:10,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:45:10,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:45:10,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:45:10,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:45:10,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:45:10,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:45:10,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:45:10,743 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:45:10,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:45:10,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:45:10,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:45:10,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:45:10,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:45:10,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:45:10,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:45:10,747 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:45:10,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:45:10,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:45:10,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:45:10,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:45:10,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:45:10,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:45:10,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:45:10,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:45:10,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:45:10,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:45:10,750 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:45:10,751 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:45:10,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:45:10,752 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_94317c63-e50a-4344-bf5a-09869c8643d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 361bd2b52d69acc79135737d48d0d1004516ca1cf417ed92bc1b0911609b51f5 [2022-11-21 13:45:11,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:45:11,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:45:11,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:45:11,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:45:11,209 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:45:11,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2022-11-21 13:45:14,849 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:45:16,386 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:45:16,387 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2022-11-21 13:45:16,487 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/bin/uautomizer-vX5HgA9Q3a/data/4bc47be84/66093c81efe0475f87cd5f85845ccc35/FLAG4aad6b9ae [2022-11-21 13:45:16,505 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/bin/uautomizer-vX5HgA9Q3a/data/4bc47be84/66093c81efe0475f87cd5f85845ccc35 [2022-11-21 13:45:16,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:45:16,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:45:16,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:45:16,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:45:16,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:45:16,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:45:16" (1/1) ... [2022-11-21 13:45:16,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8e3304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:16, skipping insertion in model container [2022-11-21 13:45:16,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:45:16" (1/1) ... [2022-11-21 13:45:16,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:45:17,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:45:24,750 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_94317c63-e50a-4344-bf5a-09869c8643d0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i[2481199,2481212] [2022-11-21 13:45:24,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:45:24,912 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:45:27,548 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_94317c63-e50a-4344-bf5a-09869c8643d0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i[2481199,2481212] [2022-11-21 13:45:27,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:45:27,771 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:45:27,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27 WrapperNode [2022-11-21 13:45:27,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:45:27,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:45:27,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:45:27,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:45:27,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (1/1) ... [2022-11-21 13:45:29,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (1/1) ... [2022-11-21 13:45:33,475 INFO L138 Inliner]: procedures = 319, calls = 2989, calls flagged for inlining = 152, calls inlined = 141, statements flattened = 270286 [2022-11-21 13:45:33,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:45:33,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:45:33,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:45:33,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:45:33,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (1/1) ... [2022-11-21 13:45:33,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (1/1) ... [2022-11-21 13:45:35,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (1/1) ... [2022-11-21 13:45:35,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (1/1) ... [2022-11-21 13:45:37,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (1/1) ... [2022-11-21 13:45:41,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (1/1) ... [2022-11-21 13:45:41,629 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (1/1) ... [2022-11-21 13:45:41,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (1/1) ... [2022-11-21 13:45:43,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:45:43,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:45:43,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:45:43,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:45:43,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (1/1) ... [2022-11-21 13:45:43,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:45:43,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:45:43,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:45:43,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94317c63-e50a-4344-bf5a-09869c8643d0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:45:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2022-11-21 13:45:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2022-11-21 13:45:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2022-11-21 13:45:43,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2022-11-21 13:45:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2022-11-21 13:45:43,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2022-11-21 13:45:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2022-11-21 13:45:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2022-11-21 13:45:43,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2022-11-21 13:45:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2022-11-21 13:45:43,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_function [2022-11-21 13:45:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_function [2022-11-21 13:45:43,397 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2022-11-21 13:45:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2022-11-21 13:45:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 13:45:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2022-11-21 13:45:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2022-11-21 13:45:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 13:45:43,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 13:45:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 13:45:43,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 13:45:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 13:45:43,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_bus [2022-11-21 13:45:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_bus [2022-11-21 13:45:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2022-11-21 13:45:43,400 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2022-11-21 13:45:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2022-11-21 13:45:43,400 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2022-11-21 13:45:43,400 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2022-11-21 13:45:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2022-11-21 13:45:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_write [2022-11-21 13:45:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_write [2022-11-21 13:45:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-21 13:45:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-21 13:45:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-21 13:45:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-21 13:45:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 13:45:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 13:45:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2022-11-21 13:45:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2022-11-21 13:45:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-21 13:45:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-21 13:45:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2022-11-21 13:45:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2022-11-21 13:45:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-21 13:45:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-21 13:45:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-21 13:45:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-21 13:45:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2022-11-21 13:45:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2022-11-21 13:45:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 13:45:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 13:45:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 13:45:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 13:45:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_slot [2022-11-21 13:45:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_slot [2022-11-21 13:45:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 13:45:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 13:45:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-21 13:45:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-21 13:45:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-21 13:45:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-21 13:45:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 13:45:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 13:45:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-21 13:45:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-21 13:45:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2022-11-21 13:45:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2022-11-21 13:45:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-21 13:45:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-21 13:45:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2022-11-21 13:45:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2022-11-21 13:45:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2022-11-21 13:45:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2022-11-21 13:45:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:45:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_virqfd_disable [2022-11-21 13:45:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_virqfd_disable [2022-11-21 13:45:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-21 13:45:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-21 13:45:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_root_bus [2022-11-21 13:45:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_root_bus [2022-11-21 13:45:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 13:45:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2022-11-21 13:45:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2022-11-21 13:45:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_spapr_pci_eeh_open [2022-11-21 13:45:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_spapr_pci_eeh_open [2022-11-21 13:45:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_unmap [2022-11-21 13:45:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_unmap [2022-11-21 13:45:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure do_io_rw [2022-11-21 13:45:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure do_io_rw [2022-11-21 13:45:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2022-11-21 13:45:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2022-11-21 13:45:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 13:45:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 13:45:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 13:45:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 13:45:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2022-11-21 13:45:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2022-11-21 13:45:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2022-11-21 13:45:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2022-11-21 13:45:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:45:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-21 13:45:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-21 13:45:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2022-11-21 13:45:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2022-11-21 13:45:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 13:45:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_read [2022-11-21 13:45:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_read [2022-11-21 13:45:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-21 13:45:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-21 13:45:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2022-11-21 13:45:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2022-11-21 13:45:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-21 13:45:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-21 13:45:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 13:45:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 13:45:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-21 13:45:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-21 13:45:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-11-21 13:45:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-11-21 13:45:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure vga_client_register [2022-11-21 13:45:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_client_register [2022-11-21 13:45:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 13:45:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-21 13:45:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-21 13:45:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-11-21 13:45:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-11-21 13:45:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2022-11-21 13:45:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2022-11-21 13:45:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2022-11-21 13:45:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2022-11-21 13:45:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 13:45:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2022-11-21 13:45:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2022-11-21 13:45:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2022-11-21 13:45:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2022-11-21 13:45:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2022-11-21 13:45:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2022-11-21 13:45:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 13:45:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-21 13:45:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-21 13:45:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 13:45:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 13:45:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_bus [2022-11-21 13:45:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_bus [2022-11-21 13:45:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2022-11-21 13:45:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2022-11-21 13:45:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 13:45:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 13:45:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_rw [2022-11-21 13:45:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_rw [2022-11-21 13:45:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 13:45:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 13:45:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-21 13:45:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-21 13:45:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2022-11-21 13:45:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2022-11-21 13:45:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:45:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 13:45:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 13:45:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-21 13:45:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-21 13:45:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-11-21 13:45:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-11-21 13:45:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2022-11-21 13:45:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2022-11-21 13:45:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-21 13:45:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-21 13:45:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 13:45:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 13:45:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2022-11-21 13:45:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2022-11-21 13:45:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 13:45:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 13:45:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2022-11-21 13:45:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2022-11-21 13:45:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 13:45:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-21 13:45:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2022-11-21 13:45:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2022-11-21 13:45:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 13:45:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 13:45:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2022-11-21 13:45:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2022-11-21 13:45:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2022-11-21 13:45:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2022-11-21 13:45:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-21 13:45:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-21 13:45:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:45:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2022-11-21 13:45:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2022-11-21 13:45:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-11-21 13:45:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-11-21 13:45:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2022-11-21 13:45:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2022-11-21 13:45:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 13:45:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-21 13:45:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-21 13:45:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_ctx_trigger_single [2022-11-21 13:45:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_ctx_trigger_single [2022-11-21 13:45:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2022-11-21 13:45:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2022-11-21 13:45:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure vga_set_legacy_decoding [2022-11-21 13:45:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_set_legacy_decoding [2022-11-21 13:45:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_for_each_slot_or_bus [2022-11-21 13:45:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_for_each_slot_or_bus [2022-11-21 13:45:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vga_disabled [2022-11-21 13:45:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vga_disabled [2022-11-21 13:45:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-21 13:45:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-21 13:45:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2022-11-21 13:45:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2022-11-21 13:45:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2022-11-21 13:45:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2022-11-21 13:45:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2022-11-21 13:45:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2022-11-21 13:45:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2022-11-21 13:45:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2022-11-21 13:45:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-21 13:45:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-21 13:45:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 13:45:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 13:45:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2022-11-21 13:45:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2022-11-21 13:45:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_bar_rw [2022-11-21 13:45:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_bar_rw [2022-11-21 13:45:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-21 13:45:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-21 13:45:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-21 13:45:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-21 13:45:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-21 13:45:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-21 13:45:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:45:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:45:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:45:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_is_vga [2022-11-21 13:45:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_is_vga [2022-11-21 13:45:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_request [2022-11-21 13:45:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_request [2022-11-21 13:45:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_slot [2022-11-21 13:45:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_slot [2022-11-21 13:45:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 13:45:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 13:45:44,755 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:45:44,759 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:45:45,081 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 13:50:08,581 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:50:09,195 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:50:09,195 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 13:50:09,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:50:09 BoogieIcfgContainer [2022-11-21 13:50:09,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:50:09,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:50:09,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:50:09,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:50:09,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:45:16" (1/3) ... [2022-11-21 13:50:09,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e48aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:50:09, skipping insertion in model container [2022-11-21 13:50:09,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:27" (2/3) ... [2022-11-21 13:50:09,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e48aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:50:09, skipping insertion in model container [2022-11-21 13:50:09,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:50:09" (3/3) ... [2022-11-21 13:50:09,345 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2022-11-21 13:50:09,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:50:09,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 13:50:12,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:50:12,372 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;@6c797d56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:50:12,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 13:50:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 264487 states, 263857 states have (on average 1.4994144555573663) internal successors, (395631), 263898 states have internal predecessors, (395631), 516 states have call successors, (516), 113 states have call predecessors, (516), 112 states have return successors, (510), 503 states have call predecessors, (510), 510 states have call successors, (510) [2022-11-21 13:50:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-21 13:50:13,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:50:13,623 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, 1, 1, 1, 1, 1, 1] [2022-11-21 13:50:13,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:50:13,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:50:13,630 INFO L85 PathProgramCache]: Analyzing trace with hash 785641506, now seen corresponding path program 1 times [2022-11-21 13:50:13,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:50:13,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931589373] [2022-11-21 13:50:13,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:50:13,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:50:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:50:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:14,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:14,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 13:50:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:14,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 13:50:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:50:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 13:50:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:50:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 13:50:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 13:50:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 13:50:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:50:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 13:50:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 13:50:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 13:50:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:50:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 13:50:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-21 13:50:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 13:50:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-21 13:50:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 13:50:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-21 13:50:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-21 13:50:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:50:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:50:15,709 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 13:50:15,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:50:15,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931589373] [2022-11-21 13:50:15,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931589373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:50:15,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:50:15,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:50:15,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814152523] [2022-11-21 13:50:15,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:50:15,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:50:15,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:50:15,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:50:15,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:50:15,954 INFO L87 Difference]: Start difference. First operand has 264487 states, 263857 states have (on average 1.4994144555573663) internal successors, (395631), 263898 states have internal predecessors, (395631), 516 states have call successors, (516), 113 states have call predecessors, (516), 112 states have return successors, (510), 503 states have call predecessors, (510), 510 states have call successors, (510) Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)