./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-wan-farsync.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:44:13,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:44:13,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:44:13,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:44:13,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:44:13,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:44:13,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:44:13,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:44:13,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:44:13,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:44:13,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:44:13,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:44:13,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:44:13,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:44:13,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:44:13,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:44:13,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:44:13,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:44:13,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:44:13,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:44:13,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:44:13,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:44:13,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:44:13,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:44:13,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:44:13,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:44:13,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:44:13,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:44:13,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:44:13,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:44:13,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:44:13,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:44:13,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:44:13,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:44:13,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:44:13,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:44:13,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:44:13,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:44:13,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:44:13,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:44:13,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:44:13,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:44:13,560 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:44:13,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:44:13,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:44:13,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:44:13,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:44:13,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:44:13,564 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:44:13,564 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:44:13,564 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:44:13,564 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:44:13,565 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:44:13,566 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:44:13,566 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:44:13,566 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:44:13,567 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:44:13,567 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:44:13,567 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:44:13,567 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:44:13,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:44:13,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:44:13,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:44:13,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:44:13,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:44:13,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:44:13,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:44:13,570 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:44:13,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:44:13,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:44:13,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:44:13,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:44:13,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:44:13,572 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:44:13,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:44:13,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:44:13,573 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:44:13,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:44:13,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:44:13,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:44:13,574 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_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 [2022-11-22 01:44:13,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:44:13,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:44:13,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:44:13,947 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:44:13,947 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:44:13,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2022-11-22 01:44:17,085 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:44:17,907 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:44:17,907 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2022-11-22 01:44:17,953 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/data/8da29b39a/33baacbac77f4fa2a115d1d95474cb5e/FLAG9247233c8 [2022-11-22 01:44:17,973 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/data/8da29b39a/33baacbac77f4fa2a115d1d95474cb5e [2022-11-22 01:44:17,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:44:17,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:44:17,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:44:17,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:44:17,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:44:17,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:17" (1/1) ... [2022-11-22 01:44:17,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10af9b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:17, skipping insertion in model container [2022-11-22 01:44:17,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:17" (1/1) ... [2022-11-22 01:44:18,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:44:18,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:44:21,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[320934,320947] [2022-11-22 01:44:21,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321103,321116] [2022-11-22 01:44:21,211 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321270,321283] [2022-11-22 01:44:21,212 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321438,321451] [2022-11-22 01:44:21,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:44:21,280 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:44:21,704 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[320934,320947] [2022-11-22 01:44:21,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321103,321116] [2022-11-22 01:44:21,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321270,321283] [2022-11-22 01:44:21,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321438,321451] [2022-11-22 01:44:21,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:44:21,841 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:44:21,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21 WrapperNode [2022-11-22 01:44:21,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:44:21,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:44:21,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:44:21,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:44:21,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (1/1) ... [2022-11-22 01:44:22,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (1/1) ... [2022-11-22 01:44:22,225 INFO L138 Inliner]: procedures = 418, calls = 1993, calls flagged for inlining = 195, calls inlined = 179, statements flattened = 5246 [2022-11-22 01:44:22,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:44:22,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:44:22,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:44:22,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:44:22,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (1/1) ... [2022-11-22 01:44:22,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (1/1) ... [2022-11-22 01:44:22,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (1/1) ... [2022-11-22 01:44:22,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (1/1) ... [2022-11-22 01:44:22,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (1/1) ... [2022-11-22 01:44:22,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (1/1) ... [2022-11-22 01:44:22,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (1/1) ... [2022-11-22 01:44:22,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (1/1) ... [2022-11-22 01:44:22,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:44:22,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:44:22,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:44:22,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:44:22,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (1/1) ... [2022-11-22 01:44:22,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:44:22,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:22,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:44:22,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:44:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2022-11-22 01:44:22,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2022-11-22 01:44:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 01:44:22,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 01:44:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:44:22,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:44:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 01:44:22,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 01:44:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:44:22,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:44:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2022-11-22 01:44:22,619 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2022-11-22 01:44:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 01:44:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 01:44:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:44:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:44:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 01:44:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 01:44:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 01:44:22,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 01:44:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-22 01:44:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-22 01:44:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-11-22 01:44:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-11-22 01:44:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2022-11-22 01:44:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2022-11-22 01:44:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:44:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:44:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2022-11-22 01:44:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2022-11-22 01:44:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:44:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:44:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-22 01:44:22,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-22 01:44:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:44:22,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:44:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2022-11-22 01:44:22,625 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2022-11-22 01:44:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 01:44:22,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 01:44:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:44:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 01:44:22,626 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 01:44:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2022-11-22 01:44:22,627 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2022-11-22 01:44:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2022-11-22 01:44:22,627 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2022-11-22 01:44:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:44:22,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:44:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:44:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 01:44:22,628 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 01:44:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:44:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:44:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:44:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:44:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:44:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:44:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:44:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:44:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-22 01:44:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-22 01:44:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:44:22,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:44:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2022-11-22 01:44:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2022-11-22 01:44:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:44:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:44:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:44:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:44:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 01:44:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 01:44:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:44:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:44:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-22 01:44:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-22 01:44:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 01:44:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 01:44:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:44:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 01:44:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 01:44:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 01:44:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 01:44:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_card_lock_of_fst_card_info [2022-11-22 01:44:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_card_lock_of_fst_card_info [2022-11-22 01:44:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:44:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2022-11-22 01:44:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2022-11-22 01:44:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:44:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:44:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:44:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:44:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:44:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-22 01:44:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-22 01:44:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:44:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:44:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-22 01:44:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-22 01:44:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2022-11-22 01:44:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2022-11-22 01:44:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 01:44:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 01:44:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:44:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:44:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 01:44:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 01:44:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 01:44:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 01:44:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 01:44:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 01:44:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-22 01:44:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-22 01:44:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-22 01:44:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-22 01:44:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:44:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:44:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:44:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:44:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:44:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:44:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:44:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:44:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:44:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:44:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:44:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:44:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 01:44:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 01:44:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 01:44:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 01:44:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 01:44:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 01:44:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:44:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-22 01:44:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-22 01:44:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:44:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-22 01:44:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-22 01:44:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:44:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 01:44:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 01:44:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:44:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:44:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-22 01:44:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-22 01:44:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-22 01:44:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-22 01:44:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:44:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:44:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-22 01:44:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-22 01:44:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 01:44:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 01:44:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2022-11-22 01:44:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2022-11-22 01:44:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:44:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:44:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:44:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:44:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_fst_work_q_lock [2022-11-22 01:44:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_fst_work_q_lock [2022-11-22 01:44:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:44:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:44:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:44:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2022-11-22 01:44:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2022-11-22 01:44:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:44:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:44:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 01:44:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 01:44:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-22 01:44:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-22 01:44:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2022-11-22 01:44:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2022-11-22 01:44:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2022-11-22 01:44:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2022-11-22 01:44:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:44:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:44:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-22 01:44:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-22 01:44:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-22 01:44:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-22 01:44:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-22 01:44:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-22 01:44:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 01:44:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 01:44:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-22 01:44:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-22 01:44:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2022-11-22 01:44:22,712 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2022-11-22 01:44:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:44:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-22 01:44:22,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-22 01:44:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:44:22,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:44:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-22 01:44:22,713 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-22 01:44:23,562 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:44:23,566 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:44:23,690 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:44:27,407 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 01:44:27,605 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:44:28,716 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:44:28,716 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:44:28,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:44:28 BoogieIcfgContainer [2022-11-22 01:44:28,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:44:28,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:44:28,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:44:28,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:44:28,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:44:17" (1/3) ... [2022-11-22 01:44:28,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570a7d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:44:28, skipping insertion in model container [2022-11-22 01:44:28,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:21" (2/3) ... [2022-11-22 01:44:28,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570a7d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:44:28, skipping insertion in model container [2022-11-22 01:44:28,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:44:28" (3/3) ... [2022-11-22 01:44:28,737 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2022-11-22 01:44:28,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:44:28,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-22 01:44:28,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:44:28,875 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=FINITE_AUTOMATA, 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;@fd0aa0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:44:28,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-22 01:44:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 1429 states, 848 states have (on average 1.3113207547169812) internal successors, (1112), 862 states have internal predecessors, (1112), 488 states have call successors, (488), 91 states have call predecessors, (488), 90 states have return successors, (481), 479 states have call predecessors, (481), 481 states have call successors, (481) [2022-11-22 01:44:28,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-22 01:44:28,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:28,923 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-22 01:44:28,924 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)] === [2022-11-22 01:44:28,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:28,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1596479282, now seen corresponding path program 1 times [2022-11-22 01:44:28,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:28,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051219095] [2022-11-22 01:44:28,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:28,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:29,593 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-22 01:44:29,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:29,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051219095] [2022-11-22 01:44:29,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051219095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:29,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:29,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:44:29,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570411744] [2022-11-22 01:44:29,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:29,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:44:29,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:29,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:44:29,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:29,676 INFO L87 Difference]: Start difference. First operand has 1429 states, 848 states have (on average 1.3113207547169812) internal successors, (1112), 862 states have internal predecessors, (1112), 488 states have call successors, (488), 91 states have call predecessors, (488), 90 states have return successors, (481), 479 states have call predecessors, (481), 481 states have call successors, (481) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-22 01:44:31,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:31,412 INFO L93 Difference]: Finished difference Result 4182 states and 6195 transitions. [2022-11-22 01:44:31,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:44:31,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (10), 2 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 71 [2022-11-22 01:44:31,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:31,456 INFO L225 Difference]: With dead ends: 4182 [2022-11-22 01:44:31,457 INFO L226 Difference]: Without dead ends: 2753 [2022-11-22 01:44:31,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:31,476 INFO L413 NwaCegarLoop]: 2263 mSDtfsCounter, 1973 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 4038 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:31,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1973 Valid, 4038 Invalid, 538 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 01:44:31,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2022-11-22 01:44:31,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2749. [2022-11-22 01:44:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2749 states, 1648 states have (on average 1.3046116504854368) internal successors, (2150), 1675 states have internal predecessors, (2150), 922 states have call successors, (922), 177 states have call predecessors, (922), 176 states have return successors, (918), 914 states have call predecessors, (918), 918 states have call successors, (918) [2022-11-22 01:44:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 3990 transitions. [2022-11-22 01:44:31,818 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 3990 transitions. Word has length 71 [2022-11-22 01:44:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:31,820 INFO L495 AbstractCegarLoop]: Abstraction has 2749 states and 3990 transitions. [2022-11-22 01:44:31,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-22 01:44:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3990 transitions. [2022-11-22 01:44:31,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-22 01:44:31,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:31,831 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1] [2022-11-22 01:44:31,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:44:31,832 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)] === [2022-11-22 01:44:31,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:31,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1415226563, now seen corresponding path program 1 times [2022-11-22 01:44:31,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:31,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740803133] [2022-11-22 01:44:31,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:31,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-22 01:44:32,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:32,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740803133] [2022-11-22 01:44:32,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740803133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:32,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:32,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:44:32,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787686138] [2022-11-22 01:44:32,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:32,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:44:32,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:32,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:44:32,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:44:32,518 INFO L87 Difference]: Start difference. First operand 2749 states and 3990 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-22 01:44:40,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:40,387 INFO L93 Difference]: Finished difference Result 7146 states and 10374 transitions. [2022-11-22 01:44:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:44:40,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 79 [2022-11-22 01:44:40,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:40,419 INFO L225 Difference]: With dead ends: 7146 [2022-11-22 01:44:40,420 INFO L226 Difference]: Without dead ends: 4408 [2022-11-22 01:44:40,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:44:40,488 INFO L413 NwaCegarLoop]: 2489 mSDtfsCounter, 6072 mSDsluCounter, 2382 mSDsCounter, 0 mSdLazyCounter, 2775 mSolverCounterSat, 1971 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6287 SdHoareTripleChecker+Valid, 4871 SdHoareTripleChecker+Invalid, 4746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1971 IncrementalHoareTripleChecker+Valid, 2775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:40,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6287 Valid, 4871 Invalid, 4746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1971 Valid, 2775 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-11-22 01:44:40,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4408 states. [2022-11-22 01:44:40,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4408 to 4354. [2022-11-22 01:44:40,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4354 states, 2660 states have (on average 1.3150375939849623) internal successors, (3498), 2703 states have internal predecessors, (3498), 1401 states have call successors, (1401), 293 states have call predecessors, (1401), 290 states have return successors, (1397), 1385 states have call predecessors, (1397), 1397 states have call successors, (1397) [2022-11-22 01:44:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4354 states to 4354 states and 6296 transitions. [2022-11-22 01:44:40,791 INFO L78 Accepts]: Start accepts. Automaton has 4354 states and 6296 transitions. Word has length 79 [2022-11-22 01:44:40,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:40,794 INFO L495 AbstractCegarLoop]: Abstraction has 4354 states and 6296 transitions. [2022-11-22 01:44:40,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-22 01:44:40,795 INFO L276 IsEmpty]: Start isEmpty. Operand 4354 states and 6296 transitions. [2022-11-22 01:44:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-22 01:44:40,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:40,802 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2022-11-22 01:44:40,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:44:40,802 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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)] === [2022-11-22 01:44:40,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:40,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1436513765, now seen corresponding path program 1 times [2022-11-22 01:44:40,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:40,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776027673] [2022-11-22 01:44:40,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:40,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-22 01:44:41,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:41,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776027673] [2022-11-22 01:44:41,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776027673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:41,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:41,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:44:41,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812251405] [2022-11-22 01:44:41,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:41,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:44:41,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:41,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:44:41,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:41,093 INFO L87 Difference]: Start difference. First operand 4354 states and 6296 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-22 01:44:43,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:43,004 INFO L93 Difference]: Finished difference Result 10564 states and 15184 transitions. [2022-11-22 01:44:43,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:44:43,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 81 [2022-11-22 01:44:43,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:43,052 INFO L225 Difference]: With dead ends: 10564 [2022-11-22 01:44:43,052 INFO L226 Difference]: Without dead ends: 6221 [2022-11-22 01:44:43,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:43,074 INFO L413 NwaCegarLoop]: 2166 mSDtfsCounter, 1526 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 3946 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:43,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 3946 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 01:44:43,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6221 states. [2022-11-22 01:44:43,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6221 to 6192. [2022-11-22 01:44:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6192 states, 3767 states have (on average 1.3100610565436688) internal successors, (4935), 3834 states have internal predecessors, (4935), 1956 states have call successors, (1956), 471 states have call predecessors, (1956), 466 states have return successors, (1955), 1922 states have call predecessors, (1955), 1952 states have call successors, (1955) [2022-11-22 01:44:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6192 states to 6192 states and 8846 transitions. [2022-11-22 01:44:43,554 INFO L78 Accepts]: Start accepts. Automaton has 6192 states and 8846 transitions. Word has length 81 [2022-11-22 01:44:43,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:43,556 INFO L495 AbstractCegarLoop]: Abstraction has 6192 states and 8846 transitions. [2022-11-22 01:44:43,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-22 01:44:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 6192 states and 8846 transitions. [2022-11-22 01:44:43,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-22 01:44:43,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:43,563 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1] [2022-11-22 01:44:43,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:44:43,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2022-11-22 01:44:43,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:43,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1452196341, now seen corresponding path program 1 times [2022-11-22 01:44:43,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:43,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986468870] [2022-11-22 01:44:43,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:43,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-22 01:44:43,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:43,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986468870] [2022-11-22 01:44:43,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986468870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:43,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:43,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:44:43,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566850378] [2022-11-22 01:44:43,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:43,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:44:43,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:43,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:44:43,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:43,830 INFO L87 Difference]: Start difference. First operand 6192 states and 8846 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:44:46,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:46,021 INFO L93 Difference]: Finished difference Result 17274 states and 24595 transitions. [2022-11-22 01:44:46,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:44:46,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 79 [2022-11-22 01:44:46,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:46,126 INFO L225 Difference]: With dead ends: 17274 [2022-11-22 01:44:46,126 INFO L226 Difference]: Without dead ends: 11093 [2022-11-22 01:44:46,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:46,242 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 1839 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 3992 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:46,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1839 Valid, 3992 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-22 01:44:46,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11093 states. [2022-11-22 01:44:47,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11093 to 11055. [2022-11-22 01:44:47,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11055 states, 6720 states have (on average 1.2983630952380953) internal successors, (8725), 6855 states have internal predecessors, (8725), 3450 states have call successors, (3450), 891 states have call predecessors, (3450), 882 states have return successors, (3452), 3371 states have call predecessors, (3452), 3446 states have call successors, (3452) [2022-11-22 01:44:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11055 states to 11055 states and 15627 transitions. [2022-11-22 01:44:47,258 INFO L78 Accepts]: Start accepts. Automaton has 11055 states and 15627 transitions. Word has length 79 [2022-11-22 01:44:47,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:47,261 INFO L495 AbstractCegarLoop]: Abstraction has 11055 states and 15627 transitions. [2022-11-22 01:44:47,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:44:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 11055 states and 15627 transitions. [2022-11-22 01:44:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-22 01:44:47,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:47,263 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2022-11-22 01:44:47,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:44:47,264 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-11-22 01:44:47,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:47,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1988694163, now seen corresponding path program 1 times [2022-11-22 01:44:47,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:47,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816414455] [2022-11-22 01:44:47,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:47,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:47,614 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-22 01:44:47,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:47,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816414455] [2022-11-22 01:44:47,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816414455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:47,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:47,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:44:47,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312233802] [2022-11-22 01:44:47,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:47,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:44:47,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:47,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:44:47,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:47,619 INFO L87 Difference]: Start difference. First operand 11055 states and 15627 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:44:50,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:50,276 INFO L93 Difference]: Finished difference Result 31847 states and 44972 transitions. [2022-11-22 01:44:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:44:50,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2022-11-22 01:44:50,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:50,412 INFO L225 Difference]: With dead ends: 31847 [2022-11-22 01:44:50,412 INFO L226 Difference]: Without dead ends: 20803 [2022-11-22 01:44:50,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:50,462 INFO L413 NwaCegarLoop]: 2415 mSDtfsCounter, 1946 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1946 SdHoareTripleChecker+Valid, 4181 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:50,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1946 Valid, 4181 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-22 01:44:50,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20803 states. [2022-11-22 01:44:52,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20803 to 20765. [2022-11-22 01:44:52,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20765 states, 12664 states have (on average 1.2884554643082755) internal successors, (16317), 12936 states have internal predecessors, (16317), 6410 states have call successors, (6410), 1705 states have call predecessors, (6410), 1688 states have return successors, (6418), 6241 states have call predecessors, (6418), 6406 states have call successors, (6418) [2022-11-22 01:44:52,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20765 states to 20765 states and 29145 transitions. [2022-11-22 01:44:52,190 INFO L78 Accepts]: Start accepts. Automaton has 20765 states and 29145 transitions. Word has length 80 [2022-11-22 01:44:52,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:52,191 INFO L495 AbstractCegarLoop]: Abstraction has 20765 states and 29145 transitions. [2022-11-22 01:44:52,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:44:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 20765 states and 29145 transitions. [2022-11-22 01:44:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-22 01:44:52,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:52,201 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:52,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:44:52,202 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-11-22 01:44:52,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:52,203 INFO L85 PathProgramCache]: Analyzing trace with hash -587946167, now seen corresponding path program 1 times [2022-11-22 01:44:52,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:52,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652976345] [2022-11-22 01:44:52,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:52,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:52,468 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-22 01:44:52,468 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:52,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652976345] [2022-11-22 01:44:52,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652976345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:52,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:52,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:44:52,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640201811] [2022-11-22 01:44:52,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:52,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:44:52,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:52,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:44:52,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:52,473 INFO L87 Difference]: Start difference. First operand 20765 states and 29145 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-22 01:44:56,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:56,348 INFO L93 Difference]: Finished difference Result 57638 states and 80900 transitions. [2022-11-22 01:44:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:44:56,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 92 [2022-11-22 01:44:56,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:56,587 INFO L225 Difference]: With dead ends: 57638 [2022-11-22 01:44:56,587 INFO L226 Difference]: Without dead ends: 36884 [2022-11-22 01:44:56,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:56,682 INFO L413 NwaCegarLoop]: 2635 mSDtfsCounter, 1838 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 4373 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:56,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 4373 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 01:44:56,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36884 states. [2022-11-22 01:44:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36884 to 36834. [2022-11-22 01:45:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36834 states, 22417 states have (on average 1.2840701253512958) internal successors, (28785), 22967 states have internal predecessors, (28785), 11412 states have call successors, (11412), 3067 states have call predecessors, (11412), 3002 states have return successors, (11440), 11019 states have call predecessors, (11440), 11408 states have call successors, (11440) [2022-11-22 01:45:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36834 states to 36834 states and 51637 transitions. [2022-11-22 01:45:00,276 INFO L78 Accepts]: Start accepts. Automaton has 36834 states and 51637 transitions. Word has length 92 [2022-11-22 01:45:00,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:00,277 INFO L495 AbstractCegarLoop]: Abstraction has 36834 states and 51637 transitions. [2022-11-22 01:45:00,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-22 01:45:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand 36834 states and 51637 transitions. [2022-11-22 01:45:00,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-22 01:45:00,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:00,280 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:00,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:45:00,285 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-11-22 01:45:00,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:00,286 INFO L85 PathProgramCache]: Analyzing trace with hash 536237246, now seen corresponding path program 1 times [2022-11-22 01:45:00,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:00,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663159909] [2022-11-22 01:45:00,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:00,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-22 01:45:00,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:00,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663159909] [2022-11-22 01:45:00,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663159909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:00,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:00,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:45:00,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095692856] [2022-11-22 01:45:00,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:00,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:45:00,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:00,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:45:00,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:45:00,826 INFO L87 Difference]: Start difference. First operand 36834 states and 51637 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 01:45:04,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:04,895 INFO L93 Difference]: Finished difference Result 73636 states and 103279 transitions. [2022-11-22 01:45:04,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:45:04,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 122 [2022-11-22 01:45:04,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:05,197 INFO L225 Difference]: With dead ends: 73636 [2022-11-22 01:45:05,198 INFO L226 Difference]: Without dead ends: 36882 [2022-11-22 01:45:05,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:45:05,332 INFO L413 NwaCegarLoop]: 1796 mSDtfsCounter, 0 mSDsluCounter, 1794 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3590 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:05,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3590 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 01:45:05,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36882 states. [2022-11-22 01:45:07,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36882 to 36882. [2022-11-22 01:45:07,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36882 states, 22465 states have (on average 1.283463164923214) internal successors, (28833), 23015 states have internal predecessors, (28833), 11412 states have call successors, (11412), 3067 states have call predecessors, (11412), 3002 states have return successors, (11440), 11019 states have call predecessors, (11440), 11408 states have call successors, (11440) [2022-11-22 01:45:08,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36882 states to 36882 states and 51685 transitions. [2022-11-22 01:45:08,408 INFO L78 Accepts]: Start accepts. Automaton has 36882 states and 51685 transitions. Word has length 122 [2022-11-22 01:45:08,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:08,409 INFO L495 AbstractCegarLoop]: Abstraction has 36882 states and 51685 transitions. [2022-11-22 01:45:08,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 01:45:08,409 INFO L276 IsEmpty]: Start isEmpty. Operand 36882 states and 51685 transitions. [2022-11-22 01:45:08,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-22 01:45:08,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:08,412 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:08,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:45:08,413 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-11-22 01:45:08,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:08,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1445909974, now seen corresponding path program 1 times [2022-11-22 01:45:08,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:08,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927095548] [2022-11-22 01:45:08,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:08,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-22 01:45:08,772 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:08,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927095548] [2022-11-22 01:45:08,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927095548] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:45:08,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791786646] [2022-11-22 01:45:08,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:08,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:08,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:08,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:45:08,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11778ee9-937f-408e-a363-b663dc51014e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:45:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:09,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1653 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:45:09,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:45:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-22 01:45:09,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:45:10,110 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-22 01:45:10,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791786646] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:45:10,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [807046977] [2022-11-22 01:45:10,159 INFO L159 IcfgInterpreter]: Started Sifa with 65 locations of interest [2022-11-22 01:45:10,170 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:45:10,176 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:45:10,185 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:45:10,186 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:45:13,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 192 [2022-11-22 01:45:13,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-11-22 01:45:14,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 41 [2022-11-22 01:45:57,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:45:57,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:45:58,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 994 treesize of output 801 [2022-11-22 01:45:59,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:59,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 923 treesize of output 779 [2022-11-22 01:45:59,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2022-11-22 01:45:59,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 994 treesize of output 801 [2022-11-22 01:46:07,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:07,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6474 treesize of output 6061 [2022-11-22 01:46:08,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:08,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 6470 treesize of output 6057 [2022-11-22 01:46:09,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:09,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:10,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:10,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:10,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:10,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:10,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:10,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:10,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:10,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:10,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:10,017 INFO L217 Elim1Store]: Index analysis took 233 ms [2022-11-22 01:46:10,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 6475 treesize of output 6115 [2022-11-22 01:46:17,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2022-11-22 01:46:19,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-11-22 01:46:19,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 01:46:19,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 01:46:21,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5