./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 4e7fbc69 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_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/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_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 15:26:48,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:26:48,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:26:48,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:26:48,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:26:48,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:26:48,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:26:48,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:26:48,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:26:48,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:26:48,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:26:48,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:26:48,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:26:48,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:26:48,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:26:48,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:26:48,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:26:48,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:26:48,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:26:48,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:26:48,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:26:48,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:26:48,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:26:48,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:26:48,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:26:48,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:26:48,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:26:48,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:26:48,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:26:48,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:26:48,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:26:48,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:26:48,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:26:48,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:26:48,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:26:48,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:26:48,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:26:48,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:26:48,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:26:48,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:26:48,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:26:48,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:26:48,668 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:26:48,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:26:48,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:26:48,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:26:48,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:26:48,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:26:48,688 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:26:48,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:26:48,689 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:26:48,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:26:48,691 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:26:48,691 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:26:48,691 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:26:48,692 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:26:48,692 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:26:48,692 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:26:48,693 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:26:48,693 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:26:48,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:26:48,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:26:48,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:26:48,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:26:48,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:26:48,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:26:48,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:26:48,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:26:48,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:26:48,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:26:48,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:26:48,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:26:48,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:26:48,699 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:26:48,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:26:48,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:26:48,700 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:26:48,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:26:48,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:26:48,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:26:48,702 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_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 [2022-11-23 15:26:49,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:26:49,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:26:49,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:26:49,086 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:26:49,086 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:26:49,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2022-11-23 15:26:52,209 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:26:52,992 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:26:52,993 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2022-11-23 15:26:53,047 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/data/31f0a2041/ac48fca4466f41399cc8cbe5c3bbae12/FLAGe866b1108 [2022-11-23 15:26:53,066 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/data/31f0a2041/ac48fca4466f41399cc8cbe5c3bbae12 [2022-11-23 15:26:53,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:26:53,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:26:53,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:26:53,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:26:53,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:26:53,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:53" (1/1) ... [2022-11-23 15:26:53,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256500bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:53, skipping insertion in model container [2022-11-23 15:26:53,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:53" (1/1) ... [2022-11-23 15:26:53,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:26:53,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:26:56,198 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_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[320934,320947] [2022-11-23 15:26:56,203 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_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321103,321116] [2022-11-23 15:26:56,208 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_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321270,321283] [2022-11-23 15:26:56,209 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_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321438,321451] [2022-11-23 15:26:56,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:26:56,262 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:26:56,857 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_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[320934,320947] [2022-11-23 15:26:56,858 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_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321103,321116] [2022-11-23 15:26:56,858 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_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321270,321283] [2022-11-23 15:26:56,858 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_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321438,321451] [2022-11-23 15:26:56,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:26:57,050 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:26:57,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57 WrapperNode [2022-11-23 15:26:57,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:26:57,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:26:57,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:26:57,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:26:57,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (1/1) ... [2022-11-23 15:26:57,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (1/1) ... [2022-11-23 15:26:57,372 INFO L138 Inliner]: procedures = 418, calls = 1993, calls flagged for inlining = 195, calls inlined = 179, statements flattened = 5246 [2022-11-23 15:26:57,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:26:57,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:26:57,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:26:57,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:26:57,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (1/1) ... [2022-11-23 15:26:57,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (1/1) ... [2022-11-23 15:26:57,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (1/1) ... [2022-11-23 15:26:57,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (1/1) ... [2022-11-23 15:26:57,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (1/1) ... [2022-11-23 15:26:57,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (1/1) ... [2022-11-23 15:26:57,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (1/1) ... [2022-11-23 15:26:57,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (1/1) ... [2022-11-23 15:26:57,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:26:57,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:26:57,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:26:57,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:26:57,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (1/1) ... [2022-11-23 15:26:57,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:26:57,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:26:57,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:26:57,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:26:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2022-11-23 15:26:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2022-11-23 15:26:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 15:26:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 15:26:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:26:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:26:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 15:26:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 15:26:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:26:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:26:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2022-11-23 15:26:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2022-11-23 15:26:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 15:26:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 15:26:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:26:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:26:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 15:26:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 15:26:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 15:26:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 15:26:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-23 15:26:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-23 15:26:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-11-23 15:26:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-11-23 15:26:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2022-11-23 15:26:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2022-11-23 15:26:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:26:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:26:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2022-11-23 15:26:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2022-11-23 15:26:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:26:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:26:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-23 15:26:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-23 15:26:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:26:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:26:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2022-11-23 15:26:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2022-11-23 15:26:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 15:26:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 15:26:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:26:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 15:26:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 15:26:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2022-11-23 15:26:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2022-11-23 15:26:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2022-11-23 15:26:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2022-11-23 15:26:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:26:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:26:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:26:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 15:26:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 15:26:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:26:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:26:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 15:26:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 15:26:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:26:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:26:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:26:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:26:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-23 15:26:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-23 15:26:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:26:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:26:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2022-11-23 15:26:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2022-11-23 15:26:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 15:26:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 15:26:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:26:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:26:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 15:26:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 15:26:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:26:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:26:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 15:26:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 15:26:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 15:26:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 15:26:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:26:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 15:26:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 15:26:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 15:26:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 15:26:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_card_lock_of_fst_card_info [2022-11-23 15:26:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_card_lock_of_fst_card_info [2022-11-23 15:26:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:26:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2022-11-23 15:26:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2022-11-23 15:26:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:26:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:26:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:26:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:26:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:26:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-23 15:26:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-23 15:26:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:26:57,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:26:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-23 15:26:57,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-23 15:26:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2022-11-23 15:26:57,844 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2022-11-23 15:26:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 15:26:57,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 15:26:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:26:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:26:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 15:26:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 15:26:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 15:26:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 15:26:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 15:26:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 15:26:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-23 15:26:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-23 15:26:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-23 15:26:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-23 15:26:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:26:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:26:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:26:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:26:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:26:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:26:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:26:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:26:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 15:26:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 15:26:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:26:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:26:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 15:26:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 15:26:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 15:26:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 15:26:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 15:26:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 15:26:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:26:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-23 15:26:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-23 15:26:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:26:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-23 15:26:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-23 15:26:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:26:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 15:26:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 15:26:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:26:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:26:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-23 15:26:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-23 15:26:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-23 15:26:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-23 15:26:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:26:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:26:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-23 15:26:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-23 15:26:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 15:26:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 15:26:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2022-11-23 15:26:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2022-11-23 15:26:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:26:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:26:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:26:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:26:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_fst_work_q_lock [2022-11-23 15:26:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_fst_work_q_lock [2022-11-23 15:26:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:26:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:26:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:26:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2022-11-23 15:26:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2022-11-23 15:26:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:26:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:26:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 15:26:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 15:26:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-23 15:26:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-23 15:26:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2022-11-23 15:26:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2022-11-23 15:26:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2022-11-23 15:26:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2022-11-23 15:26:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:26:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:26:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-23 15:26:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-23 15:26:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-23 15:26:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-23 15:26:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-23 15:26:57,867 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-23 15:26:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 15:26:57,867 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 15:26:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-23 15:26:57,867 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-23 15:26:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2022-11-23 15:26:57,867 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2022-11-23 15:26:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:26:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-23 15:26:57,868 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-23 15:26:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 15:26:57,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 15:26:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-23 15:26:57,868 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-23 15:26:58,730 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:26:58,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:26:58,840 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:27:02,451 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 15:27:02,594 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:27:03,900 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:27:03,901 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:27:03,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:27:03 BoogieIcfgContainer [2022-11-23 15:27:03,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:27:03,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:27:03,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:27:03,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:27:03,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:26:53" (1/3) ... [2022-11-23 15:27:03,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2d1865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:27:03, skipping insertion in model container [2022-11-23 15:27:03,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:57" (2/3) ... [2022-11-23 15:27:03,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2d1865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:27:03, skipping insertion in model container [2022-11-23 15:27:03,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:27:03" (3/3) ... [2022-11-23 15:27:03,918 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2022-11-23 15:27:03,937 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:27:03,938 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-23 15:27:04,039 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:27:04,046 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;@8d01b4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:27:04,046 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-23 15:27:04,055 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) [2022-11-23 15:27:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-23 15:27:04,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:04,073 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] [2022-11-23 15:27:04,074 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)] === [2022-11-23 15:27:04,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:04,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1596479282, now seen corresponding path program 1 times [2022-11-23 15:27:04,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:04,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566605170] [2022-11-23 15:27:04,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:04,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-23 15:27:04,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:04,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566605170] [2022-11-23 15:27:04,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566605170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:04,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:04,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:27:04,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534043934] [2022-11-23 15:27:04,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:04,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:27:04,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:04,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:27:04,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:27:04,804 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) [2022-11-23 15:27:06,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:06,613 INFO L93 Difference]: Finished difference Result 4182 states and 6195 transitions. [2022-11-23 15:27:06,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:27:06,616 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 [2022-11-23 15:27:06,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:06,643 INFO L225 Difference]: With dead ends: 4182 [2022-11-23 15:27:06,643 INFO L226 Difference]: Without dead ends: 2753 [2022-11-23 15:27:06,658 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 [2022-11-23 15:27:06,661 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, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:06,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1973 Valid, 4038 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 15:27:06,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2022-11-23 15:27:06,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2749. [2022-11-23 15:27:06,931 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) [2022-11-23 15:27:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 3990 transitions. [2022-11-23 15:27:06,954 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 3990 transitions. Word has length 71 [2022-11-23 15:27:06,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:06,955 INFO L495 AbstractCegarLoop]: Abstraction has 2749 states and 3990 transitions. [2022-11-23 15:27:06,955 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) [2022-11-23 15:27:06,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3990 transitions. [2022-11-23 15:27:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-23 15:27:06,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:06,967 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] [2022-11-23 15:27:06,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:27:06,968 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)] === [2022-11-23 15:27:06,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:06,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1415226563, now seen corresponding path program 1 times [2022-11-23 15:27:06,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:06,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914200028] [2022-11-23 15:27:06,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:06,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-23 15:27:07,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:07,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914200028] [2022-11-23 15:27:07,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914200028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:07,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:07,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:27:07,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897018922] [2022-11-23 15:27:07,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:07,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:27:07,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:07,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:27:07,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:27:07,664 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) [2022-11-23 15:27:14,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:14,316 INFO L93 Difference]: Finished difference Result 7146 states and 10374 transitions. [2022-11-23 15:27:14,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:27:14,319 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 [2022-11-23 15:27:14,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:14,345 INFO L225 Difference]: With dead ends: 7146 [2022-11-23 15:27:14,345 INFO L226 Difference]: Without dead ends: 4408 [2022-11-23 15:27:14,357 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 [2022-11-23 15:27:14,358 INFO L413 NwaCegarLoop]: 2489 mSDtfsCounter, 6072 mSDsluCounter, 2382 mSDsCounter, 0 mSdLazyCounter, 2775 mSolverCounterSat, 1971 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s 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, 6.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:14,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6287 Valid, 4871 Invalid, 4746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1971 Valid, 2775 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-23 15:27:14,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4408 states. [2022-11-23 15:27:14,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4408 to 4354. [2022-11-23 15:27:14,593 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) [2022-11-23 15:27:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4354 states to 4354 states and 6296 transitions. [2022-11-23 15:27:14,619 INFO L78 Accepts]: Start accepts. Automaton has 4354 states and 6296 transitions. Word has length 79 [2022-11-23 15:27:14,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:14,621 INFO L495 AbstractCegarLoop]: Abstraction has 4354 states and 6296 transitions. [2022-11-23 15:27:14,621 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) [2022-11-23 15:27:14,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4354 states and 6296 transitions. [2022-11-23 15:27:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-23 15:27:14,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:14,625 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] [2022-11-23 15:27:14,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:27:14,626 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)] === [2022-11-23 15:27:14,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:14,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1436513765, now seen corresponding path program 1 times [2022-11-23 15:27:14,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:14,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698386238] [2022-11-23 15:27:14,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:14,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:14,903 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-23 15:27:14,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:14,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698386238] [2022-11-23 15:27:14,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698386238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:14,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:14,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:27:14,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835389745] [2022-11-23 15:27:14,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:14,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:27:14,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:14,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:27:14,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:27:14,905 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) [2022-11-23 15:27:16,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:16,524 INFO L93 Difference]: Finished difference Result 10564 states and 15184 transitions. [2022-11-23 15:27:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:27:16,525 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 [2022-11-23 15:27:16,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:16,561 INFO L225 Difference]: With dead ends: 10564 [2022-11-23 15:27:16,561 INFO L226 Difference]: Without dead ends: 6221 [2022-11-23 15:27:16,577 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 [2022-11-23 15:27:16,578 INFO L413 NwaCegarLoop]: 2166 mSDtfsCounter, 1526 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:16,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 3946 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 15:27:16,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6221 states. [2022-11-23 15:27:16,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6221 to 6192. [2022-11-23 15:27:17,008 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) [2022-11-23 15:27:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6192 states to 6192 states and 8846 transitions. [2022-11-23 15:27:17,039 INFO L78 Accepts]: Start accepts. Automaton has 6192 states and 8846 transitions. Word has length 81 [2022-11-23 15:27:17,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:17,040 INFO L495 AbstractCegarLoop]: Abstraction has 6192 states and 8846 transitions. [2022-11-23 15:27:17,040 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) [2022-11-23 15:27:17,040 INFO L276 IsEmpty]: Start isEmpty. Operand 6192 states and 8846 transitions. [2022-11-23 15:27:17,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-23 15:27:17,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:17,042 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] [2022-11-23 15:27:17,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:27:17,043 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)] === [2022-11-23 15:27:17,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:17,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1452196341, now seen corresponding path program 1 times [2022-11-23 15:27:17,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:17,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132585483] [2022-11-23 15:27:17,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:17,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-23 15:27:17,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:17,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132585483] [2022-11-23 15:27:17,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132585483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:17,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:17,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:27:17,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748480750] [2022-11-23 15:27:17,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:17,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:27:17,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:17,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:27:17,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:27:17,203 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) [2022-11-23 15:27:19,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:19,077 INFO L93 Difference]: Finished difference Result 17274 states and 24595 transitions. [2022-11-23 15:27:19,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:27:19,078 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 [2022-11-23 15:27:19,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:19,148 INFO L225 Difference]: With dead ends: 17274 [2022-11-23 15:27:19,149 INFO L226 Difference]: Without dead ends: 11093 [2022-11-23 15:27:19,175 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 [2022-11-23 15:27:19,180 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 1839 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:19,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1839 Valid, 3992 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 15:27:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11093 states. [2022-11-23 15:27:19,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11093 to 11055. [2022-11-23 15:27:19,918 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) [2022-11-23 15:27:20,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11055 states to 11055 states and 15627 transitions. [2022-11-23 15:27:20,065 INFO L78 Accepts]: Start accepts. Automaton has 11055 states and 15627 transitions. Word has length 79 [2022-11-23 15:27:20,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:20,066 INFO L495 AbstractCegarLoop]: Abstraction has 11055 states and 15627 transitions. [2022-11-23 15:27:20,067 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) [2022-11-23 15:27:20,067 INFO L276 IsEmpty]: Start isEmpty. Operand 11055 states and 15627 transitions. [2022-11-23 15:27:20,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-23 15:27:20,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:20,069 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] [2022-11-23 15:27:20,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:27:20,069 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)] === [2022-11-23 15:27:20,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:20,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1988694163, now seen corresponding path program 1 times [2022-11-23 15:27:20,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:20,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386582566] [2022-11-23 15:27:20,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:20,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-23 15:27:20,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:20,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386582566] [2022-11-23 15:27:20,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386582566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:20,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:20,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:27:20,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810622667] [2022-11-23 15:27:20,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:20,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:27:20,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:20,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:27:20,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:27:20,233 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) [2022-11-23 15:27:22,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:22,683 INFO L93 Difference]: Finished difference Result 31847 states and 44972 transitions. [2022-11-23 15:27:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:27:22,683 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 [2022-11-23 15:27:22,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:22,797 INFO L225 Difference]: With dead ends: 31847 [2022-11-23 15:27:22,797 INFO L226 Difference]: Without dead ends: 20803 [2022-11-23 15:27:22,838 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 [2022-11-23 15:27:22,839 INFO L413 NwaCegarLoop]: 2415 mSDtfsCounter, 1946 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:22,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1946 Valid, 4181 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 15:27:22,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20803 states. [2022-11-23 15:27:24,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20803 to 20765. [2022-11-23 15:27:24,228 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) [2022-11-23 15:27:24,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20765 states to 20765 states and 29145 transitions. [2022-11-23 15:27:24,346 INFO L78 Accepts]: Start accepts. Automaton has 20765 states and 29145 transitions. Word has length 80 [2022-11-23 15:27:24,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:24,346 INFO L495 AbstractCegarLoop]: Abstraction has 20765 states and 29145 transitions. [2022-11-23 15:27:24,347 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) [2022-11-23 15:27:24,347 INFO L276 IsEmpty]: Start isEmpty. Operand 20765 states and 29145 transitions. [2022-11-23 15:27:24,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-23 15:27:24,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:24,354 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] [2022-11-23 15:27:24,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:27:24,355 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)] === [2022-11-23 15:27:24,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:24,356 INFO L85 PathProgramCache]: Analyzing trace with hash -587946167, now seen corresponding path program 1 times [2022-11-23 15:27:24,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:24,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672953978] [2022-11-23 15:27:24,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:24,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-23 15:27:24,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:24,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672953978] [2022-11-23 15:27:24,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672953978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:24,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:24,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:27:24,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149199285] [2022-11-23 15:27:24,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:24,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:27:24,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:24,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:27:24,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:27:24,571 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) [2022-11-23 15:27:27,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:27,674 INFO L93 Difference]: Finished difference Result 57638 states and 80900 transitions. [2022-11-23 15:27:27,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:27:27,675 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 [2022-11-23 15:27:27,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:27,886 INFO L225 Difference]: With dead ends: 57638 [2022-11-23 15:27:27,886 INFO L226 Difference]: Without dead ends: 36884 [2022-11-23 15:27:27,955 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 [2022-11-23 15:27:27,956 INFO L413 NwaCegarLoop]: 2635 mSDtfsCounter, 1838 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:27,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 4373 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 15:27:27,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36884 states. [2022-11-23 15:27:30,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36884 to 36834. [2022-11-23 15:27:30,463 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) [2022-11-23 15:27:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36834 states to 36834 states and 51637 transitions. [2022-11-23 15:27:30,884 INFO L78 Accepts]: Start accepts. Automaton has 36834 states and 51637 transitions. Word has length 92 [2022-11-23 15:27:30,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:30,884 INFO L495 AbstractCegarLoop]: Abstraction has 36834 states and 51637 transitions. [2022-11-23 15:27:30,885 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) [2022-11-23 15:27:30,885 INFO L276 IsEmpty]: Start isEmpty. Operand 36834 states and 51637 transitions. [2022-11-23 15:27:30,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-23 15:27:30,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:30,887 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] [2022-11-23 15:27:30,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:27:30,887 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)] === [2022-11-23 15:27:30,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:30,888 INFO L85 PathProgramCache]: Analyzing trace with hash 536237246, now seen corresponding path program 1 times [2022-11-23 15:27:30,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:30,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209612498] [2022-11-23 15:27:30,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:30,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:31,096 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-23 15:27:31,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:31,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209612498] [2022-11-23 15:27:31,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209612498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:31,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:31,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:27:31,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726024513] [2022-11-23 15:27:31,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:31,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:27:31,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:31,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:27:31,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:27:31,099 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) [2022-11-23 15:27:33,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:33,566 INFO L93 Difference]: Finished difference Result 73636 states and 103279 transitions. [2022-11-23 15:27:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:27:33,567 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 [2022-11-23 15:27:33,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:33,812 INFO L225 Difference]: With dead ends: 73636 [2022-11-23 15:27:33,813 INFO L226 Difference]: Without dead ends: 36882 [2022-11-23 15:27:33,926 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 [2022-11-23 15:27:33,927 INFO L413 NwaCegarLoop]: 1796 mSDtfsCounter, 0 mSDsluCounter, 1794 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:33,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3590 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 15:27:33,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36882 states. [2022-11-23 15:27:36,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36882 to 36882. [2022-11-23 15:27:36,306 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) [2022-11-23 15:27:36,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36882 states to 36882 states and 51685 transitions. [2022-11-23 15:27:36,691 INFO L78 Accepts]: Start accepts. Automaton has 36882 states and 51685 transitions. Word has length 122 [2022-11-23 15:27:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:36,691 INFO L495 AbstractCegarLoop]: Abstraction has 36882 states and 51685 transitions. [2022-11-23 15:27:36,692 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) [2022-11-23 15:27:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand 36882 states and 51685 transitions. [2022-11-23 15:27:36,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-23 15:27:36,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:36,694 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] [2022-11-23 15:27:36,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:27:36,694 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)] === [2022-11-23 15:27:36,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:36,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1445909974, now seen corresponding path program 1 times [2022-11-23 15:27:36,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:36,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772785269] [2022-11-23 15:27:36,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:36,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-23 15:27:36,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:36,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772785269] [2022-11-23 15:27:36,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772785269] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:27:36,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426349805] [2022-11-23 15:27:36,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:36,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:27:36,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:27:36,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:27:36,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18de34c5-d834-42e9-8d37-ff31bdf8c8fc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:27:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:37,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1653 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:27:37,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:27:37,825 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-23 15:27:37,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:27:37,947 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-23 15:27:37,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426349805] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:27:37,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1848229006] [2022-11-23 15:27:37,972 INFO L159 IcfgInterpreter]: Started Sifa with 65 locations of interest [2022-11-23 15:27:37,972 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:27:37,975 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:27:37,981 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:27:37,982 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:27:40,877 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 [2022-11-23 15:27:41,289 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 [2022-11-23 15:27:41,764 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 [2022-11-23 15:28:20,183 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 [2022-11-23 15:28:20,583 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 [2022-11-23 15:28:21,598 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 [2022-11-23 15:28:21,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:21,890 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 [2022-11-23 15:28:22,129 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 [2022-11-23 15:28:22,292 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 [2022-11-23 15:28:29,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,258 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 [2022-11-23 15:28:29,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:29,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,030 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 [2022-11-23 15:28:30,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:30,819 INFO L217 Elim1Store]: Index analysis took 156 ms [2022-11-23 15:28:30,826 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 [2022-11-23 15:28:37,836 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 [2022-11-23 15:28:39,393 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 [2022-11-23 15:28:39,420 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 [2022-11-23 15:28:39,453 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 [2022-11-23 15:28:41,735 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 [2022-11-23 15:29:44,508 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 [2022-11-23 15:29:44,854 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 [2022-11-23 15:29:45,795 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 989 treesize of output 796 [2022-11-23 15:29:46,044 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 989 treesize of output 796 [2022-11-23 15:29:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:46,344 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 913 treesize of output 769 [2022-11-23 15:29:46,637 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 12 treesize of output 1 [2022-11-23 15:29:52,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:52,924 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 6464 treesize of output 6051 [2022-11-23 15:29:53,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:53,575 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 6460 treesize of output 6047 [2022-11-23 15:29:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:54,293 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-11-23 15:29:54,299 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 6465 treesize of output 6105 [2022-11-23 15:29:54,647 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 [2022-11-23 15:30:01,955 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 [2022-11-23 15:30:01,990 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 [2022-11-23 15:30:02,241 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 [2022-11-23 15:30:04,103 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 [2022-11-23 15:30:28,136 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 [2022-11-23 15:30:28,471 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 [2022-11-23 15:30:29,390 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 989 treesize of output 796 [2022-11-23 15:30:29,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:29,668 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 913 treesize of output 769 [2022-11-23 15:30:29,912 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 12 treesize of output 1 [2022-11-23 15:30:30,034 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 989 treesize of output 796 [2022-11-23 15:30:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,212 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 6464 treesize of output 6051 [2022-11-23 15:30:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:36,941 INFO L217 Elim1Store]: Index analysis took 137 ms [2022-11-23 15:30:36,948 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 6469 treesize of output 6109 [2022-11-23 15:30:37,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:37,917 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 6460 treesize of output 6047 [2022-11-23 15:30:43,676 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 [2022-11-23 15:30:45,286 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 [2022-11-23 15:30:45,316 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 [2022-11-23 15:30:45,535 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 [2022-11-23 15:30:47,980 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 [2022-11-23 15:32:00,211 INFO L197 IcfgInterpreter]: Interpreting procedure spinlock_check with input of size 193 for LOIs [2022-11-23 15:32:00,228 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_filter_positive_int with input of size 207 for LOIs [2022-11-23 15:32:00,908 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 358 for LOIs [2022-11-23 15:32:01,236 INFO L197 IcfgInterpreter]: Interpreting procedure __raw_spin_lock_init with input of size 202 for LOIs [2022-11-23 15:32:01,256 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 197 for LOIs [2022-11-23 15:32:01,273 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit with input of size 200 for LOIs [2022-11-23 15:32:01,311 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 188 for LOIs [2022-11-23 15:32:01,721 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 367 for LOIs [2022-11-23 15:32:01,893 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:32:18,788 WARN L233 SmtUtils]: Spent 16.78s on a formula simplification that was a NOOP. DAG size: 1489 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:32:42,024 WARN L233 SmtUtils]: Spent 11.42s on a formula simplification that was a NOOP. DAG size: 1246 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:32:53,704 WARN L233 SmtUtils]: Spent 11.37s on a formula simplification that was a NOOP. DAG size: 1242 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:33:05,498 WARN L233 SmtUtils]: Spent 11.44s on a formula simplification that was a NOOP. DAG size: 1246 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:33:17,302 WARN L233 SmtUtils]: Spent 11.42s on a formula simplification that was a NOOP. DAG size: 1246 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:33:29,204 WARN L233 SmtUtils]: Spent 11.47s on a formula simplification that was a NOOP. DAG size: 1246 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:33:41,098 WARN L233 SmtUtils]: Spent 11.44s on a formula simplification that was a NOOP. DAG size: 1246 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:34:27,995 WARN L233 SmtUtils]: Spent 35.10s on a formula simplification. DAG size of input: 1574 DAG size of output: 1423 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:35:07,947 WARN L233 SmtUtils]: Spent 37.75s on a formula simplification. DAG size of input: 1578 DAG size of output: 1442 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:35:47,035 WARN L233 SmtUtils]: Spent 37.90s on a formula simplification. DAG size of input: 1580 DAG size of output: 1444 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:36:11,204 WARN L233 SmtUtils]: Spent 23.41s on a formula simplification. DAG size of input: 1257 DAG size of output: 1253 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:37:06,481 WARN L233 SmtUtils]: Spent 10.31s on a formula simplification. DAG size of input: 602 DAG size of output: 400 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:37:17,002 WARN L233 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 604 DAG size of output: 432 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:37:27,279 WARN L233 SmtUtils]: Spent 9.28s on a formula simplification. DAG size of input: 611 DAG size of output: 362 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:37:43,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1848229006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:37:43,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:37:43,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [4, 4, 4] total 59 [2022-11-23 15:37:43,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182069152] [2022-11-23 15:37:43,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:37:43,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-11-23 15:37:43,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:37:43,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-11-23 15:37:43,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=352, Invalid=3070, Unknown=0, NotChecked=0, Total=3422 [2022-11-23 15:37:43,186 INFO L87 Difference]: Start difference. First operand 36882 states and 51685 transitions. Second operand has 54 states, 37 states have (on average 1.135135135135135) internal successors, (42), 31 states have internal predecessors, (42), 14 states have call successors, (18), 8 states have call predecessors, (18), 6 states have return successors, (16), 16 states have call predecessors, (16), 12 states have call successors, (16) [2022-11-23 15:38:17,558 WARN L233 SmtUtils]: Spent 33.69s on a formula simplification. DAG size of input: 1494 DAG size of output: 1493 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:38:51,658 WARN L233 SmtUtils]: Spent 33.68s on a formula simplification. DAG size of input: 1496 DAG size of output: 1495 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:39:34,288 WARN L233 SmtUtils]: Spent 42.09s on a formula simplification. DAG size of input: 1658 DAG size of output: 1519 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:40:09,342 WARN L233 SmtUtils]: Spent 34.52s on a formula simplification. DAG size of input: 1502 DAG size of output: 1501 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)