./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-net-irda-via-ircc.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_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/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_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/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_ed9c14c5-c4db-4b11-a084-da5a484d856a/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 67e7778ced54570c612880d3f2f5d48e6e2d3dc55afd632628e45d31cdc74c58 --- 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 10:39:18,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:39:18,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:39:18,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:39:18,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:39:18,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:39:18,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:39:18,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:39:18,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:39:18,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:39:18,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:39:18,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:39:18,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:39:18,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:39:18,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:39:18,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:39:18,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:39:18,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:39:18,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:39:18,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:39:18,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:39:18,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:39:18,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:39:18,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:39:18,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:39:18,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:39:18,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:39:18,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:39:18,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:39:18,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:39:18,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:39:18,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:39:18,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:39:18,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:39:18,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:39:18,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:39:18,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:39:18,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:39:18,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:39:18,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:39:18,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:39:18,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:39:18,823 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:39:18,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:39:18,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:39:18,825 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:39:18,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:39:18,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:39:18,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:39:18,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:39:18,827 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:39:18,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:39:18,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:39:18,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:39:18,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:39:18,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:39:18,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:39:18,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:39:18,830 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:39:18,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:39:18,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:39:18,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:39:18,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:39:18,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:39:18,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:39:18,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:39:18,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:39:18,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:39:18,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:39:18,833 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:39:18,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:39:18,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:39:18,844 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_ed9c14c5-c4db-4b11-a084-da5a484d856a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e7778ced54570c612880d3f2f5d48e6e2d3dc55afd632628e45d31cdc74c58 [2022-10-17 10:39:19,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:39:19,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:39:19,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:39:19,178 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:39:19,179 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:39:19,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:39:19,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ/data/28b3222a5/5ded81316f0143e784f8d087023c6946/FLAGa46e1e627 [2022-10-17 10:39:20,123 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:39:20,124 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:39:20,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ/data/28b3222a5/5ded81316f0143e784f8d087023c6946/FLAGa46e1e627 [2022-10-17 10:39:20,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ/data/28b3222a5/5ded81316f0143e784f8d087023c6946 [2022-10-17 10:39:20,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:39:20,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:39:20,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:39:20,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:39:20,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:39:20,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:39:20" (1/1) ... [2022-10-17 10:39:20,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a016aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:20, skipping insertion in model container [2022-10-17 10:39:20,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:39:20" (1/1) ... [2022-10-17 10:39:20,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:39:20,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:39:23,639 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_ed9c14c5-c4db-4b11-a084-da5a484d856a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2022-10-17 10:39:23,642 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_ed9c14c5-c4db-4b11-a084-da5a484d856a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2022-10-17 10:39:23,642 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_ed9c14c5-c4db-4b11-a084-da5a484d856a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2022-10-17 10:39:23,643 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_ed9c14c5-c4db-4b11-a084-da5a484d856a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2022-10-17 10:39:23,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:39:23,693 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:39:24,129 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_ed9c14c5-c4db-4b11-a084-da5a484d856a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2022-10-17 10:39:24,130 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_ed9c14c5-c4db-4b11-a084-da5a484d856a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2022-10-17 10:39:24,130 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_ed9c14c5-c4db-4b11-a084-da5a484d856a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2022-10-17 10:39:24,131 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_ed9c14c5-c4db-4b11-a084-da5a484d856a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2022-10-17 10:39:24,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:39:24,317 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:39:24,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24 WrapperNode [2022-10-17 10:39:24,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:39:24,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:39:24,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:39:24,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:39:24,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (1/1) ... [2022-10-17 10:39:24,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (1/1) ... [2022-10-17 10:39:24,649 INFO L138 Inliner]: procedures = 395, calls = 2038, calls flagged for inlining = 159, calls inlined = 138, statements flattened = 4403 [2022-10-17 10:39:24,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:39:24,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:39:24,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:39:24,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:39:24,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (1/1) ... [2022-10-17 10:39:24,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (1/1) ... [2022-10-17 10:39:24,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (1/1) ... [2022-10-17 10:39:24,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (1/1) ... [2022-10-17 10:39:24,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (1/1) ... [2022-10-17 10:39:24,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (1/1) ... [2022-10-17 10:39:24,914 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (1/1) ... [2022-10-17 10:39:24,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (1/1) ... [2022-10-17 10:39:24,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:39:24,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:39:24,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:39:24,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:39:24,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (1/1) ... [2022-10-17 10:39:24,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:39:25,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:39:25,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:39:25,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed9c14c5-c4db-4b11-a084-da5a484d856a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:39:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:39:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:39:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-10-17 10:39:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-10-17 10:39:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-10-17 10:39:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-10-17 10:39:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:39:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:39:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:39:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:39:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_73 [2022-10-17 10:39:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_73 [2022-10-17 10:39:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:39:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:39:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-10-17 10:39:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-10-17 10:39:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:39:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:39:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2022-10-17 10:39:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2022-10-17 10:39:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-10-17 10:39:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-10-17 10:39:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-10-17 10:39:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-10-17 10:39:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:39:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:39:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-10-17 10:39:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-10-17 10:39:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-10-17 10:39:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-10-17 10:39:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-17 10:39:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-17 10:39:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:39:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:39:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:39:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-10-17 10:39:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-10-17 10:39:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-10-17 10:39:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-10-17 10:39:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 10:39:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 10:39:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-10-17 10:39:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-10-17 10:39:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:39:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:39:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-10-17 10:39:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-10-17 10:39:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-10-17 10:39:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-10-17 10:39:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:39:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-10-17 10:39:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-10-17 10:39:25,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-10-17 10:39:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-10-17 10:39:25,091 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-10-17 10:39:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-10-17 10:39:25,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:39:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:39:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:39:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:39:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:39:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-10-17 10:39:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-10-17 10:39:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:39:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:39:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:39:25,093 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-10-17 10:39:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-10-17 10:39:25,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:39:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:39:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:39:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:39:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-10-17 10:39:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-10-17 10:39:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-10-17 10:39:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-10-17 10:39:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-10-17 10:39:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-10-17 10:39:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:39:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:39:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-10-17 10:39:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-10-17 10:39:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:39:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:39:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:39:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-10-17 10:39:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-10-17 10:39:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:39:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:39:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:39:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:39:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:39:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:39:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:39:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:39:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:39:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:39:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-10-17 10:39:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-10-17 10:39:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 10:39:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 10:39:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:39:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:39:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-10-17 10:39:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-10-17 10:39:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-10-17 10:39:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-10-17 10:39:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:39:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:39:25,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:39:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:39:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-10-17 10:39:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-10-17 10:39:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:39:25,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:39:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-10-17 10:39:25,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-10-17 10:39:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:39:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:39:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:39:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:39:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-10-17 10:39:25,114 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-10-17 10:39:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:39:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:39:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-10-17 10:39:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-10-17 10:39:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-10-17 10:39:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-10-17 10:39:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-10-17 10:39:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-10-17 10:39:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:39:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:39:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-10-17 10:39:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-10-17 10:39:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-10-17 10:39:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-10-17 10:39:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:39:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:39:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:39:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:39:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-10-17 10:39:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-10-17 10:39:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:39:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:39:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:39:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-10-17 10:39:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-10-17 10:39:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:39:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:39:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-17 10:39:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-17 10:39:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:39:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:39:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:39:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:39:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-10-17 10:39:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-10-17 10:39:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 10:39:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 10:39:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-17 10:39:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-17 10:39:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:39:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:39:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:39:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:39:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-17 10:39:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-17 10:39:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:39:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-17 10:39:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-10-17 10:39:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-10-17 10:39:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-10-17 10:39:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-10-17 10:39:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-10-17 10:39:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:39:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:39:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-10-17 10:39:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-10-17 10:39:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-10-17 10:39:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-10-17 10:39:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-10-17 10:39:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-10-17 10:39:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:39:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-10-17 10:39:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-10-17 10:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-10-17 10:39:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-10-17 10:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-10-17 10:39:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-10-17 10:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-17 10:39:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-17 10:39:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:39:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-10-17 10:39:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-10-17 10:39:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:39:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:39:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-10-17 10:39:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-10-17 10:39:26,012 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:39:26,020 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:39:26,333 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:39:29,937 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:39:30,604 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:39:30,634 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:39:30,634 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:39:30,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:39:30 BoogieIcfgContainer [2022-10-17 10:39:30,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:39:30,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:39:30,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:39:30,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:39:30,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:39:20" (1/3) ... [2022-10-17 10:39:30,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a87e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:39:30, skipping insertion in model container [2022-10-17 10:39:30,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:39:24" (2/3) ... [2022-10-17 10:39:30,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a87e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:39:30, skipping insertion in model container [2022-10-17 10:39:30,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:39:30" (3/3) ... [2022-10-17 10:39:30,653 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2022-10-17 10:39:30,673 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:39:30,673 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-10-17 10:39:30,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:39:30,828 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;@6857b223, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:39:30,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-10-17 10:39:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 1999 states, 1251 states have (on average 1.3069544364508394) internal successors, (1635), 1277 states have internal predecessors, (1635), 654 states have call successors, (654), 92 states have call predecessors, (654), 91 states have return successors, (650), 638 states have call predecessors, (650), 650 states have call successors, (650) [2022-10-17 10:39:30,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 10:39:30,888 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:39:30,889 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:39:30,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_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 10:39:30,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:30,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1658643117, now seen corresponding path program 1 times [2022-10-17 10:39:30,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:39:30,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784382730] [2022-10-17 10:39:30,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:39:30,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:39:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:39:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:39:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:39:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:39:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:39:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:39:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:39:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:39:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:39:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:39:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:39:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:39:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-17 10:39:31,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:39:31,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784382730] [2022-10-17 10:39:31,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784382730] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:39:31,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:39:31,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:39:31,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175082980] [2022-10-17 10:39:31,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:39:31,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:39:31,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:39:31,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:39:31,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:39:31,856 INFO L87 Difference]: Start difference. First operand has 1999 states, 1251 states have (on average 1.3069544364508394) internal successors, (1635), 1277 states have internal predecessors, (1635), 654 states have call successors, (654), 92 states have call predecessors, (654), 91 states have return successors, (650), 638 states have call predecessors, (650), 650 states have call successors, (650) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-17 10:39:39,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:39:39,594 INFO L93 Difference]: Finished difference Result 5917 states and 8905 transitions. [2022-10-17 10:39:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:39:39,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 79 [2022-10-17 10:39:39,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:39:39,657 INFO L225 Difference]: With dead ends: 5917 [2022-10-17 10:39:39,657 INFO L226 Difference]: Without dead ends: 3924 [2022-10-17 10:39:39,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:39:39,685 INFO L413 NwaCegarLoop]: 2797 mSDtfsCounter, 3435 mSDsluCounter, 1853 mSDsCounter, 0 mSdLazyCounter, 3081 mSolverCounterSat, 2339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4055 SdHoareTripleChecker+Valid, 4650 SdHoareTripleChecker+Invalid, 5420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2339 IncrementalHoareTripleChecker+Valid, 3081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-10-17 10:39:39,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4055 Valid, 4650 Invalid, 5420 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2339 Valid, 3081 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-10-17 10:39:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3924 states. [2022-10-17 10:39:40,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3924 to 3892. [2022-10-17 10:39:40,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3892 states, 2442 states have (on average 1.2665847665847665) internal successors, (3093), 2492 states have internal predecessors, (3093), 1268 states have call successors, (1268), 180 states have call predecessors, (1268), 179 states have return successors, (1265), 1241 states have call predecessors, (1265), 1265 states have call successors, (1265) [2022-10-17 10:39:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 5626 transitions. [2022-10-17 10:39:40,215 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 5626 transitions. Word has length 79 [2022-10-17 10:39:40,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:39:40,216 INFO L495 AbstractCegarLoop]: Abstraction has 3892 states and 5626 transitions. [2022-10-17 10:39:40,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-17 10:39:40,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 5626 transitions. [2022-10-17 10:39:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 10:39:40,222 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:39:40,222 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:39:40,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:39:40,222 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 10:39:40,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:39:40,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2063132158, now seen corresponding path program 1 times [2022-10-17 10:39:40,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:39:40,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115703262] [2022-10-17 10:39:40,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:39:40,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:39:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:39:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:39:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:39:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:39:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:39:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:39:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:39:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:39:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:39:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:39:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:39:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-17 10:39:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:39:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-17 10:39:40,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:39:40,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115703262] [2022-10-17 10:39:40,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115703262] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:39:40,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:39:40,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:39:40,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115922180] [2022-10-17 10:39:40,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:39:40,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:39:40,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:39:40,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:39:40,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:39:40,549 INFO L87 Difference]: Start difference. First operand 3892 states and 5626 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-17 10:39:47,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:39:47,756 INFO L93 Difference]: Finished difference Result 10862 states and 15735 transitions. [2022-10-17 10:39:47,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:39:47,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 83 [2022-10-17 10:39:47,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:39:47,829 INFO L225 Difference]: With dead ends: 10862 [2022-10-17 10:39:47,830 INFO L226 Difference]: Without dead ends: 6985 [2022-10-17 10:39:47,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:39:47,860 INFO L413 NwaCegarLoop]: 2782 mSDtfsCounter, 2896 mSDsluCounter, 1883 mSDsCounter, 0 mSdLazyCounter, 2962 mSolverCounterSat, 2130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3440 SdHoareTripleChecker+Valid, 4665 SdHoareTripleChecker+Invalid, 5092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2130 IncrementalHoareTripleChecker+Valid, 2962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-10-17 10:39:47,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3440 Valid, 4665 Invalid, 5092 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2130 Valid, 2962 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-10-17 10:39:47,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6985 states.