./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 8393723b 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_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/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_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-8393723 [2022-11-18 20:31:47,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:31:47,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:31:47,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:31:47,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:31:47,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:31:47,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:31:47,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:31:47,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:31:47,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:31:47,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:31:47,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:31:47,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:31:47,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:31:47,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:31:47,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:31:47,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:31:47,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:31:47,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:31:47,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:31:47,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:31:47,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:31:47,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:31:47,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:31:47,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:31:47,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:31:47,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:31:47,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:31:47,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:31:47,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:31:47,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:31:47,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:31:47,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:31:47,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:31:47,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:31:47,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:31:47,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:31:47,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:31:47,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:31:47,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:31:47,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:31:47,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:31:47,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:31:47,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:31:47,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:31:47,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:31:47,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:31:47,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:31:47,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:31:47,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:31:47,786 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:31:47,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:31:47,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:31:47,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:31:47,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:31:47,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:31:47,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:31:47,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:31:47,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:31:47,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:31:47,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:31:47,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:31:47,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:31:47,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:31:47,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:31:47,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:31:47,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:31:47,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:31:47,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:31:47,793 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:31:47,793 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:31:47,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:31:47,793 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_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 361bd2b52d69acc79135737d48d0d1004516ca1cf417ed92bc1b0911609b51f5 [2022-11-18 20:31:48,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:31:48,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:31:48,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:31:48,131 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:31:48,132 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:31:48,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/../../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 [2022-11-18 20:31:48,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/data/1047dd9ec/419dd59b2b664ea1aa66667e3192c6ec/FLAGc9b999d4f [2022-11-18 20:31:49,802 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:31:49,804 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/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 [2022-11-18 20:31:49,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/data/1047dd9ec/419dd59b2b664ea1aa66667e3192c6ec/FLAGc9b999d4f [2022-11-18 20:31:50,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/data/1047dd9ec/419dd59b2b664ea1aa66667e3192c6ec [2022-11-18 20:31:50,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:31:50,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:31:50,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:31:50,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:31:50,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:31:50,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:31:50" (1/1) ... [2022-11-18 20:31:50,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c30ac2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:31:50, skipping insertion in model container [2022-11-18 20:31:50,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:31:50" (1/1) ... [2022-11-18 20:31:50,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:31:50,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:31:57,608 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/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] [2022-11-18 20:31:57,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:31:57,792 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:32:00,343 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/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] [2022-11-18 20:32:00,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:32:00,510 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:32:00,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00 WrapperNode [2022-11-18 20:32:00,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:32:00,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:32:00,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:32:00,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:32:00,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (1/1) ... [2022-11-18 20:32:02,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (1/1) ... [2022-11-18 20:32:06,162 INFO L138 Inliner]: procedures = 319, calls = 2989, calls flagged for inlining = 152, calls inlined = 141, statements flattened = 270338 [2022-11-18 20:32:06,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:32:06,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:32:06,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:32:06,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:32:06,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (1/1) ... [2022-11-18 20:32:06,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (1/1) ... [2022-11-18 20:32:07,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (1/1) ... [2022-11-18 20:32:07,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (1/1) ... [2022-11-18 20:32:10,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (1/1) ... [2022-11-18 20:32:14,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (1/1) ... [2022-11-18 20:32:14,740 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (1/1) ... [2022-11-18 20:32:15,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (1/1) ... [2022-11-18 20:32:16,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:32:16,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:32:16,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:32:16,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:32:16,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (1/1) ... [2022-11-18 20:32:16,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:32:16,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:32:16,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:32:16,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fbe701-b6d8-4ecf-9abd-aae567982be6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:32:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2022-11-18 20:32:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2022-11-18 20:32:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2022-11-18 20:32:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2022-11-18 20:32:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2022-11-18 20:32:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2022-11-18 20:32:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2022-11-18 20:32:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2022-11-18 20:32:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2022-11-18 20:32:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2022-11-18 20:32:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_function [2022-11-18 20:32:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_function [2022-11-18 20:32:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2022-11-18 20:32:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2022-11-18 20:32:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:32:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2022-11-18 20:32:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2022-11-18 20:32:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:32:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:32:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:32:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:32:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:32:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_bus [2022-11-18 20:32:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_bus [2022-11-18 20:32:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2022-11-18 20:32:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2022-11-18 20:32:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2022-11-18 20:32:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2022-11-18 20:32:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2022-11-18 20:32:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2022-11-18 20:32:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_write [2022-11-18 20:32:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_write [2022-11-18 20:32:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 20:32:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 20:32:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-18 20:32:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-18 20:32:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:32:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:32:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2022-11-18 20:32:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2022-11-18 20:32:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-18 20:32:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-18 20:32:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2022-11-18 20:32:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2022-11-18 20:32:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-18 20:32:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-18 20:32:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 20:32:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 20:32:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2022-11-18 20:32:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2022-11-18 20:32:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:32:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:32:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:32:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:32:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_slot [2022-11-18 20:32:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_slot [2022-11-18 20:32:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:32:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:32:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-18 20:32:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-18 20:32:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-18 20:32:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-18 20:32:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:32:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:32:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-18 20:32:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-18 20:32:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2022-11-18 20:32:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2022-11-18 20:32:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-18 20:32:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-18 20:32:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2022-11-18 20:32:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2022-11-18 20:32:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2022-11-18 20:32:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2022-11-18 20:32:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:32:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_virqfd_disable [2022-11-18 20:32:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_virqfd_disable [2022-11-18 20:32:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-18 20:32:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-18 20:32:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_root_bus [2022-11-18 20:32:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_root_bus [2022-11-18 20:32:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:32:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2022-11-18 20:32:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2022-11-18 20:32:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_spapr_pci_eeh_open [2022-11-18 20:32:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_spapr_pci_eeh_open [2022-11-18 20:32:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_unmap [2022-11-18 20:32:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_unmap [2022-11-18 20:32:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure do_io_rw [2022-11-18 20:32:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure do_io_rw [2022-11-18 20:32:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2022-11-18 20:32:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2022-11-18 20:32:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 20:32:16,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 20:32:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:32:16,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:32:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2022-11-18 20:32:16,542 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2022-11-18 20:32:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2022-11-18 20:32:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2022-11-18 20:32:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:32:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 20:32:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 20:32:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2022-11-18 20:32:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2022-11-18 20:32:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:32:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_read [2022-11-18 20:32:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_read [2022-11-18 20:32:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-18 20:32:16,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-18 20:32:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2022-11-18 20:32:16,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2022-11-18 20:32:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-18 20:32:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-18 20:32:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:32:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:32:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:32:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:32:16,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-11-18 20:32:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-11-18 20:32:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure vga_client_register [2022-11-18 20:32:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_client_register [2022-11-18 20:32:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:32:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-18 20:32:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-18 20:32:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-11-18 20:32:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-11-18 20:32:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2022-11-18 20:32:16,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2022-11-18 20:32:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2022-11-18 20:32:16,561 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2022-11-18 20:32:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:32:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2022-11-18 20:32:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2022-11-18 20:32:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2022-11-18 20:32:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2022-11-18 20:32:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2022-11-18 20:32:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2022-11-18 20:32:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:32:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-18 20:32:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-18 20:32:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:32:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:32:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_bus [2022-11-18 20:32:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_bus [2022-11-18 20:32:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2022-11-18 20:32:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2022-11-18 20:32:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 20:32:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 20:32:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_rw [2022-11-18 20:32:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_rw [2022-11-18 20:32:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:32:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:32:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-18 20:32:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-18 20:32:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2022-11-18 20:32:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2022-11-18 20:32:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:32:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:32:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:32:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 20:32:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 20:32:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-11-18 20:32:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-11-18 20:32:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2022-11-18 20:32:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2022-11-18 20:32:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-18 20:32:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-18 20:32:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:32:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:32:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2022-11-18 20:32:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2022-11-18 20:32:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 20:32:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 20:32:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2022-11-18 20:32:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2022-11-18 20:32:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:32:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-18 20:32:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2022-11-18 20:32:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2022-11-18 20:32:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 20:32:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 20:32:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2022-11-18 20:32:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2022-11-18 20:32:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2022-11-18 20:32:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2022-11-18 20:32:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 20:32:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 20:32:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:32:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2022-11-18 20:32:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2022-11-18 20:32:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-11-18 20:32:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-11-18 20:32:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2022-11-18 20:32:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2022-11-18 20:32:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:32:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-18 20:32:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-18 20:32:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_ctx_trigger_single [2022-11-18 20:32:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_ctx_trigger_single [2022-11-18 20:32:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2022-11-18 20:32:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2022-11-18 20:32:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure vga_set_legacy_decoding [2022-11-18 20:32:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_set_legacy_decoding [2022-11-18 20:32:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_for_each_slot_or_bus [2022-11-18 20:32:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_for_each_slot_or_bus [2022-11-18 20:32:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vga_disabled [2022-11-18 20:32:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vga_disabled [2022-11-18 20:32:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-18 20:32:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-18 20:32:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2022-11-18 20:32:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2022-11-18 20:32:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2022-11-18 20:32:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2022-11-18 20:32:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2022-11-18 20:32:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2022-11-18 20:32:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2022-11-18 20:32:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2022-11-18 20:32:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 20:32:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 20:32:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:32:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:32:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2022-11-18 20:32:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2022-11-18 20:32:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_bar_rw [2022-11-18 20:32:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_bar_rw [2022-11-18 20:32:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-18 20:32:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-18 20:32:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-18 20:32:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-18 20:32:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-18 20:32:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-18 20:32:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:32:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:32:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:32:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_is_vga [2022-11-18 20:32:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_is_vga [2022-11-18 20:32:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_request [2022-11-18 20:32:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_request [2022-11-18 20:32:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_slot [2022-11-18 20:32:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_slot [2022-11-18 20:32:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 20:32:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 20:32:18,047 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:32:18,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:32:18,293 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:36:17,517 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:36:18,329 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:36:18,329 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:36:18,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:18 BoogieIcfgContainer [2022-11-18 20:36:18,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:36:18,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:36:18,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:36:18,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:36:18,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:31:50" (1/3) ... [2022-11-18 20:36:18,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc45e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:18, skipping insertion in model container [2022-11-18 20:36:18,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:00" (2/3) ... [2022-11-18 20:36:18,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc45e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:18, skipping insertion in model container [2022-11-18 20:36:18,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:18" (3/3) ... [2022-11-18 20:36:18,470 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2022-11-18 20:36:18,491 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:36:18,491 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:36:21,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:36:21,190 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;@54650f54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:36:21,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:36:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 264516 states, 263886 states have (on average 1.4994429412700938) internal successors, (395682), 263927 states have internal predecessors, (395682), 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) [2022-11-18 20:36:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-18 20:36:21,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:21,671 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] [2022-11-18 20:36:21,672 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:21,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:21,677 INFO L85 PathProgramCache]: Analyzing trace with hash 207811896, now seen corresponding path program 1 times [2022-11-18 20:36:21,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:36:21,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622548246] [2022-11-18 20:36:21,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:36:21,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:36:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:36:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:36:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:36:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:36:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:36:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:36:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:36:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 20:36:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:36:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:36:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 20:36:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 20:36:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 20:36:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:36:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 20:36:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 20:36:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 20:36:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-18 20:36:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:36:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 20:36:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-18 20:36:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:36:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2022-11-18 20:36:23,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:36:23,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622548246] [2022-11-18 20:36:23,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622548246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:36:23,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:36:23,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:36:23,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543328679] [2022-11-18 20:36:23,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:36:23,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:36:23,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:36:23,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:36:23,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:36:23,929 INFO L87 Difference]: Start difference. First operand has 264516 states, 263886 states have (on average 1.4994429412700938) internal successors, (395682), 263927 states have internal predecessors, (395682), 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)