./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ --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 df4f0c8d40dc980084ec2f9936d9bc7fc71c78b40a0de276eef2539e9d717dce --- 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-dbf71c6-m [2022-10-17 10:49:47,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:49:47,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:49:47,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:49:47,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:49:47,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:49:47,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:49:47,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:49:47,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:49:47,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:49:47,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:49:47,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:49:47,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:49:47,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:49:47,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:49:47,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:49:47,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:49:47,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:49:47,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:49:47,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:49:47,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:49:47,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:49:47,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:49:47,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:49:47,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:49:47,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:49:47,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:49:47,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:49:47,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:49:47,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:49:47,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:49:47,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:49:47,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:49:47,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:49:47,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:49:47,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:49:47,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:49:47,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:49:47,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:49:47,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:49:47,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:49:47,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:49:47,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:49:47,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:49:47,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:49:47,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:49:47,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:49:47,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:49:47,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:49:47,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:49:47,801 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:49:47,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:49:47,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:49:47,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:49:47,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:49:47,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:49:47,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:49:47,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:49:47,802 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:49:47,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:49:47,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:49:47,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:49:47,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:49:47,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:49:47,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:49:47,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:49:47,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:49:47,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:49:47,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:49:47,804 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:49:47,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:49:47,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:49:47,805 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_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df4f0c8d40dc980084ec2f9936d9bc7fc71c78b40a0de276eef2539e9d717dce [2022-10-17 10:49:48,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:49:48,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:49:48,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:49:48,106 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:49:48,106 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:49:48,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i [2022-10-17 10:49:48,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/data/e9bcb274c/7f962686aed24f36b0eaab41002fc6d2/FLAG657d26c69 [2022-10-17 10:49:49,237 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:49:49,238 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i [2022-10-17 10:49:49,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/data/e9bcb274c/7f962686aed24f36b0eaab41002fc6d2/FLAG657d26c69 [2022-10-17 10:49:49,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/data/e9bcb274c/7f962686aed24f36b0eaab41002fc6d2 [2022-10-17 10:49:49,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:49:49,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:49:49,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:49:49,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:49:49,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:49:49,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:49:49" (1/1) ... [2022-10-17 10:49:49,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217eeba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:49, skipping insertion in model container [2022-10-17 10:49:49,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:49:49" (1/1) ... [2022-10-17 10:49:49,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:49:49,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:49:53,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i[415958,415971] [2022-10-17 10:49:53,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i[416127,416140] [2022-10-17 10:49:53,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i[416294,416307] [2022-10-17 10:49:53,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i[416462,416475] [2022-10-17 10:49:53,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:49:53,834 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:49:54,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i[415958,415971] [2022-10-17 10:49:54,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i[416127,416140] [2022-10-17 10:49:54,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i[416294,416307] [2022-10-17 10:49:54,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i[416462,416475] [2022-10-17 10:49:54,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:49:54,685 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:49:54,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54 WrapperNode [2022-10-17 10:49:54,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:49:54,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:49:54,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:49:54,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:49:54,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (1/1) ... [2022-10-17 10:49:54,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (1/1) ... [2022-10-17 10:49:55,110 INFO L138 Inliner]: procedures = 484, calls = 3172, calls flagged for inlining = 226, calls inlined = 201, statements flattened = 6921 [2022-10-17 10:49:55,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:49:55,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:49:55,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:49:55,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:49:55,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (1/1) ... [2022-10-17 10:49:55,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (1/1) ... [2022-10-17 10:49:55,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (1/1) ... [2022-10-17 10:49:55,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (1/1) ... [2022-10-17 10:49:55,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (1/1) ... [2022-10-17 10:49:55,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (1/1) ... [2022-10-17 10:49:55,500 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (1/1) ... [2022-10-17 10:49:55,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (1/1) ... [2022-10-17 10:49:55,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:49:55,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:49:55,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:49:55,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:49:55,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (1/1) ... [2022-10-17 10:49:55,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:49:55,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:49:55,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:49:55,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a489df-5898-4c8f-a006-076b53859dec/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:49:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command_mutex [2022-10-17 10:49:55,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command_mutex [2022-10-17 10:49:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_probe [2022-10-17 10:49:55,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_probe [2022-10-17 10:49:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:49:55,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:49:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:49:55,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:49:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:49:55,656 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:49:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:49:55,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:49:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-10-17 10:49:55,657 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-10-17 10:49:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-10-17 10:49:55,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-10-17 10:49:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_release [2022-10-17 10:49:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_release [2022-10-17 10:49:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_open [2022-10-17 10:49:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_open [2022-10-17 10:49:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:49:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:49:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_release_buffers [2022-10-17 10:49:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_release_buffers [2022-10-17 10:49:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure down [2022-10-17 10:49:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2022-10-17 10:49:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-17 10:49:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-17 10:49:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:49:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:49:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure tuner_attach_stv6110 [2022-10-17 10:49:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure tuner_attach_stv6110 [2022-10-17 10:49:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:49:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:49:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:49:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-10-17 10:49:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-10-17 10:49:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:49:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:49:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-17 10:49:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-17 10:49:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:49:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:49:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:49:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command_i2c_read [2022-10-17 10:49:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command_i2c_read [2022-10-17 10:49:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:49:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:49:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-17 10:49:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-17 10:49:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:49:55,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:49:55,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:49:55,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:49:55,666 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_avail [2022-10-17 10:49:55,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_avail [2022-10-17 10:49:55,666 INFO L130 BoogieDeclarations]: Found specification of procedure set_transfer [2022-10-17 10:49:55,667 INFO L138 BoogieDeclarations]: Found implementation of procedure set_transfer [2022-10-17 10:49:55,667 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_resume [2022-10-17 10:49:55,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_resume [2022-10-17 10:49:55,667 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2022-10-17 10:49:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2022-10-17 10:49:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:49:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:49:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_shutdown [2022-10-17 10:49:55,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_shutdown [2022-10-17 10:49:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:49:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:49:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_cmd_lock_of_ngene [2022-10-17 10:49:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_cmd_lock_of_ngene [2022-10-17 10:49:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:49:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:49:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure memset_io [2022-10-17 10:49:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_io [2022-10-17 10:49:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2022-10-17 10:49:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2022-10-17 10:49:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-10-17 10:49:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-10-17 10:49:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command [2022-10-17 10:49:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command [2022-10-17 10:49:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-10-17 10:49:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-10-17 10:49:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 10:49:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 10:49:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 10:49:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 10:49:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:49:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:49:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:49:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:49:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:49:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:49:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:49:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-10-17 10:49:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-10-17 10:49:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-17 10:49:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-17 10:49:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_write [2022-10-17 10:49:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_write [2022-10-17 10:49:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2022-10-17 10:49:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2022-10-17 10:49:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:49:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:49:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:49:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_remove [2022-10-17 10:49:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_remove [2022-10-17 10:49:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_state_lock_of_ngene_channel [2022-10-17 10:49:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_state_lock_of_ngene_channel [2022-10-17 10:49:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:49:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:49:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:49:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_stop [2022-10-17 10:49:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_stop [2022-10-17 10:49:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:49:55,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:49:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-10-17 10:49:55,683 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-10-17 10:49:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_i2c_init [2022-10-17 10:49:55,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_i2c_init [2022-10-17 10:49:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2022-10-17 10:49:55,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2022-10-17 10:49:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 10:49:55,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 10:49:55,694 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-10-17 10:49:55,695 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-10-17 10:49:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_free [2022-10-17 10:49:55,695 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_free [2022-10-17 10:49:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 10:49:55,695 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 10:49:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure init_channels [2022-10-17 10:49:55,695 INFO L138 BoogieDeclarations]: Found implementation of procedure init_channels [2022-10-17 10:49:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure free_ringbuffer [2022-10-17 10:49:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure free_ringbuffer [2022-10-17 10:49:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-17 10:49:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-17 10:49:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:49:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:49:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dvb_register_frontend [2022-10-17 10:49:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dvb_register_frontend [2022-10-17 10:49:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure AllocateRingBuffers [2022-10-17 10:49:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure AllocateRingBuffers [2022-10-17 10:49:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 10:49:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 10:49:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:49:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:49:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:49:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:49:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_init [2022-10-17 10:49:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_init [2022-10-17 10:49:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-10-17 10:49:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-10-17 10:49:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:49:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:49:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-10-17 10:49:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-10-17 10:49:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure demod_attach_stv0900 [2022-10-17 10:49:55,698 INFO L138 BoogieDeclarations]: Found implementation of procedure demod_attach_stv0900 [2022-10-17 10:49:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure FillTSBuffer [2022-10-17 10:49:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure FillTSBuffer [2022-10-17 10:49:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cmd_lock_of_ngene [2022-10-17 10:49:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cmd_lock_of_ngene [2022-10-17 10:49:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_module_exit_ngene_12_2 [2022-10-17 10:49:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_module_exit_ngene_12_2 [2022-10-17 10:49:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:49:55,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:49:55,699 INFO L130 BoogieDeclarations]: Found specification of procedure create_ring_buffer [2022-10-17 10:49:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ring_buffer [2022-10-17 10:49:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-17 10:49:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-17 10:49:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-10-17 10:49:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-10-17 10:49:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-10-17 10:49:55,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-10-17 10:49:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure ngene_command_gpio_set [2022-10-17 10:49:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ngene_command_gpio_set [2022-10-17 10:49:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:49:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_read_eeprom [2022-10-17 10:49:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_read_eeprom [2022-10-17 10:49:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:49:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:49:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-10-17 10:49:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-10-17 10:49:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:49:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:49:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure my_dvb_dmxdev_ts_card_init [2022-10-17 10:49:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure my_dvb_dmxdev_ts_card_init [2022-10-17 10:49:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:49:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:49:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-10-17 10:49:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-10-17 10:49:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:49:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:49:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:49:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:49:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_state_lock_of_ngene_channel [2022-10-17 10:49:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_state_lock_of_ngene_channel [2022-10-17 10:49:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_66 [2022-10-17 10:49:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_66 [2022-10-17 10:49:55,703 INFO L130 BoogieDeclarations]: Found specification of procedure init_channel [2022-10-17 10:49:55,704 INFO L138 BoogieDeclarations]: Found implementation of procedure init_channel [2022-10-17 10:49:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure release_channel [2022-10-17 10:49:55,706 INFO L138 BoogieDeclarations]: Found implementation of procedure release_channel [2022-10-17 10:49:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-17 10:49:55,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-17 10:49:55,706 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_ringbuffer_flush [2022-10-17 10:49:55,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_ringbuffer_flush [2022-10-17 10:49:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:49:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-10-17 10:49:55,707 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-10-17 10:49:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:49:55,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:49:55,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:49:55,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:49:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-10-17 10:49:55,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-10-17 10:49:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_67 [2022-10-17 10:49:55,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_67 [2022-10-17 10:49:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-10-17 10:49:55,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-10-17 10:49:55,708 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 10:49:55,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 10:49:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure drxk_gate_ctrl [2022-10-17 10:49:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure drxk_gate_ctrl [2022-10-17 10:49:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:49:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:49:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:49:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:49:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:49:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:49:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-10-17 10:49:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-10-17 10:49:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 10:49:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 10:49:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:49:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dvb_unregister_frontend [2022-10-17 10:49:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dvb_unregister_frontend [2022-10-17 10:49:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:49:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:49:57,154 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:49:57,162 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:50:01,012 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:50:11,591 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:50:11,730 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:50:11,764 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:50:11,765 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:50:11,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:50:11 BoogieIcfgContainer [2022-10-17 10:50:11,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:50:11,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:50:11,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:50:11,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:50:11,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:49:49" (1/3) ... [2022-10-17 10:50:11,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cf6f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:50:11, skipping insertion in model container [2022-10-17 10:50:11,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:54" (2/3) ... [2022-10-17 10:50:11,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cf6f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:50:11, skipping insertion in model container [2022-10-17 10:50:11,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:50:11" (3/3) ... [2022-10-17 10:50:11,784 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-ngene-ngene.cil.i [2022-10-17 10:50:11,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:50:11,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-10-17 10:50:11,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:50:11,942 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;@b2feba8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:50:11,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-10-17 10:50:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 2068 states, 1462 states have (on average 1.3296853625171) internal successors, (1944), 1484 states have internal predecessors, (1944), 493 states have call successors, (493), 111 states have call predecessors, (493), 110 states have return successors, (485), 485 states have call predecessors, (485), 485 states have call successors, (485) [2022-10-17 10:50:11,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-10-17 10:50:11,998 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:50:11,999 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:11,999 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:50:12,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:12,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1328972846, now seen corresponding path program 1 times [2022-10-17 10:50:12,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:12,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762934280] [2022-10-17 10:50:12,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:12,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:50:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:50:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:50:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:50:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:50:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:50:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:50:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:50:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:50:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:50:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:50:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:50:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-17 10:50:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-10-17 10:50:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-10-17 10:50:13,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:13,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762934280] [2022-10-17 10:50:13,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762934280] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:13,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:13,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:50:13,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552952751] [2022-10-17 10:50:13,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:13,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:50:13,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:13,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:50:13,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:50:13,752 INFO L87 Difference]: Start difference. First operand has 2068 states, 1462 states have (on average 1.3296853625171) internal successors, (1944), 1484 states have internal predecessors, (1944), 493 states have call successors, (493), 111 states have call predecessors, (493), 110 states have return successors, (485), 485 states have call predecessors, (485), 485 states have call successors, (485) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-10-17 10:50:19,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []