./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI --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 a03ad4e15fecab938e9e70aed8b753ecf99ee66a89bf97a267f1c578afd42981 --- 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-5e519f3 [2022-11-03 01:46:25,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:46:25,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:46:25,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:46:25,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:46:25,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:46:25,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:46:25,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:46:25,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:46:25,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:46:25,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:46:25,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:46:25,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:46:25,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:46:25,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:46:25,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:46:25,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:46:25,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:46:25,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:46:25,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:46:25,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:46:25,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:46:25,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:46:25,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:46:25,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:46:25,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:46:25,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:46:25,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:46:25,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:46:25,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:46:25,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:46:25,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:46:25,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:46:25,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:46:25,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:46:25,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:46:25,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:46:25,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:46:25,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:46:25,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:46:25,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:46:25,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:46:25,594 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:46:25,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:46:25,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:46:25,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:46:25,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:46:25,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:46:25,596 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:46:25,597 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:46:25,597 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:46:25,597 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:46:25,597 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:46:25,598 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:46:25,598 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:46:25,598 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:46:25,598 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:46:25,598 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:46:25,599 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:46:25,599 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:46:25,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:46:25,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:46:25,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:46:25,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:46:25,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:46:25,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:46:25,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:46:25,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:46:25,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:46:25,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:46:25,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:46:25,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:46:25,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:46:25,602 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:46:25,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:46:25,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:46:25,603 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:46:25,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:46:25,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:46:25,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:46:25,604 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_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a03ad4e15fecab938e9e70aed8b753ecf99ee66a89bf97a267f1c578afd42981 [2022-11-03 01:46:25,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:46:26,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:46:26,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:46:26,020 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:46:26,021 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:46:26,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-03 01:46:26,112 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/data/37e9d2b4f/3d9bcd49ff9f49f68bc3bb09865583b7/FLAG5053721ce [2022-11-03 01:46:27,389 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:46:27,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-03 01:46:27,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/data/37e9d2b4f/3d9bcd49ff9f49f68bc3bb09865583b7/FLAG5053721ce [2022-11-03 01:46:27,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/data/37e9d2b4f/3d9bcd49ff9f49f68bc3bb09865583b7 [2022-11-03 01:46:27,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:46:27,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:46:27,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:46:27,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:46:27,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:46:27,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:46:27" (1/1) ... [2022-11-03 01:46:27,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184b7ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:27, skipping insertion in model container [2022-11-03 01:46:27,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:46:27" (1/1) ... [2022-11-03 01:46:27,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:46:27,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:46:34,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607702,607715] [2022-11-03 01:46:34,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607849,607862] [2022-11-03 01:46:34,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607988,608001] [2022-11-03 01:46:34,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[608146,608159] [2022-11-03 01:46:34,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:46:34,816 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:46:35,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607702,607715] [2022-11-03 01:46:35,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607849,607862] [2022-11-03 01:46:35,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[607988,608001] [2022-11-03 01:46:35,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[608146,608159] [2022-11-03 01:46:35,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:46:36,316 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:46:36,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36 WrapperNode [2022-11-03 01:46:36,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:46:36,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:46:36,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:46:36,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:46:36,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (1/1) ... [2022-11-03 01:46:36,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (1/1) ... [2022-11-03 01:46:37,199 INFO L138 Inliner]: procedures = 673, calls = 7407, calls flagged for inlining = 360, calls inlined = 339, statements flattened = 15802 [2022-11-03 01:46:37,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:46:37,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:46:37,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:46:37,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:46:37,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (1/1) ... [2022-11-03 01:46:37,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (1/1) ... [2022-11-03 01:46:37,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (1/1) ... [2022-11-03 01:46:37,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (1/1) ... [2022-11-03 01:46:37,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (1/1) ... [2022-11-03 01:46:37,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (1/1) ... [2022-11-03 01:46:37,957 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (1/1) ... [2022-11-03 01:46:37,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (1/1) ... [2022-11-03 01:46:38,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:46:38,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:46:38,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:46:38,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:46:38,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (1/1) ... [2022-11-03 01:46:38,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:46:38,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:46:38,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:46:38,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:46:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:46:38,521 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:46:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 01:46:38,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 01:46:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 01:46:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure ql_timer [2022-11-03 01:46:38,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_timer [2022-11-03 01:46:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:46:38,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:46:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 01:46:38,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 01:46:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-03 01:46:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-03 01:46:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 01:46:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 01:46:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-03 01:46:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-03 01:46:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-03 01:46:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-03 01:46:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:46:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:46:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-03 01:46:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-03 01:46:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-03 01:46:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-03 01:46:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-03 01:46:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-03 01:46:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-03 01:46:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-03 01:46:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:46:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:46:38,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-03 01:46:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-03 01:46:38,529 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-03 01:46:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-03 01:46:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 01:46:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 01:46:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:46:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:46:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-03 01:46:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-03 01:46:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:46:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:46:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 01:46:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 01:46:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:46:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:46:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-03 01:46:38,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-03 01:46:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2022-11-03 01:46:38,535 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2022-11-03 01:46:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-11-03 01:46:38,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-11-03 01:46:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:46:38,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:46:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-03 01:46:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-03 01:46:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-03 01:46:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-03 01:46:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_22 [2022-11-03 01:46:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_22 [2022-11-03 01:46:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-03 01:46:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-03 01:46:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-03 01:46:38,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-03 01:46:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-03 01:46:38,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-03 01:46:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-03 01:46:38,555 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-03 01:46:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:46:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:46:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:46:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:46:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-03 01:46:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-03 01:46:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:46:38,558 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:46:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 01:46:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 01:46:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-03 01:46:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-03 01:46:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:46:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:46:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:46:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:46:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-03 01:46:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-03 01:46:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-03 01:46:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-03 01:46:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-11-03 01:46:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-11-03 01:46:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 01:46:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 01:46:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 01:46:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 01:46:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:46:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 01:46:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 01:46:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-03 01:46:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-03 01:46:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-03 01:46:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-03 01:46:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-03 01:46:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-03 01:46:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-03 01:46:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-03 01:46:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-03 01:46:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-03 01:46:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-03 01:46:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-03 01:46:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-03 01:46:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-03 01:46:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 01:46:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 01:46:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-03 01:46:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-03 01:46:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-03 01:46:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-03 01:46:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-03 01:46:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-03 01:46:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:46:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:46:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-03 01:46:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-03 01:46:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:46:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:46:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-03 01:46:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-03 01:46:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 01:46:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 01:46:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:46:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-03 01:46:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-03 01:46:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 01:46:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 01:46:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:46:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:46:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:46:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:46:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-03 01:46:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-03 01:46:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-03 01:46:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-03 01:46:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-03 01:46:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-03 01:46:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:46:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-03 01:46:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-03 01:46:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:46:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:46:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:46:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:46:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:46:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:46:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:46:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 01:46:38,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 01:46:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 01:46:38,575 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 01:46:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 01:46:38,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 01:46:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-03 01:46:38,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-03 01:46:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-03 01:46:38,576 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-03 01:46:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:46:38,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:46:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-03 01:46:38,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-03 01:46:38,577 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-03 01:46:38,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-03 01:46:38,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 01:46:38,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 01:46:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-03 01:46:38,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-03 01:46:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-03 01:46:38,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-03 01:46:38,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:46:38,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:46:38,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:46:38,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:46:38,579 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-03 01:46:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-03 01:46:38,580 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-03 01:46:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-03 01:46:38,580 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-03 01:46:38,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-03 01:46:38,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:46:38,581 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-03 01:46:38,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-03 01:46:38,581 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-03 01:46:38,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-03 01:46:38,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 01:46:38,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 01:46:38,582 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-03 01:46:38,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-03 01:46:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:46:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:46:38,583 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:46:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:46:38,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:46:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:46:38,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:46:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:46:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:46:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-03 01:46:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-03 01:46:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-03 01:46:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-03 01:46:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:46:38,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:46:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 01:46:38,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 01:46:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-03 01:46:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-03 01:46:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:46:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:46:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-03 01:46:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-03 01:46:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-03 01:46:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-03 01:46:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:46:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:46:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-03 01:46:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-03 01:46:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 01:46:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 01:46:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-03 01:46:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-03 01:46:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:46:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:46:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:46:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:46:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 01:46:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 01:46:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 01:46:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 01:46:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-03 01:46:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-03 01:46:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-03 01:46:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-03 01:46:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-03 01:46:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-03 01:46:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 01:46:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 01:46:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-03 01:46:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-03 01:46:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 01:46:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 01:46:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:46:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:46:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:46:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:46:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-03 01:46:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-03 01:46:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 01:46:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 01:46:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-03 01:46:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-03 01:46:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-03 01:46:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-03 01:46:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:46:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:46:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-03 01:46:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-03 01:46:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:46:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:46:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:46:38,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:46:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-03 01:46:38,599 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-03 01:46:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 01:46:38,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 01:46:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:46:38,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:46:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-03 01:46:38,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-03 01:46:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-03 01:46:38,600 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-03 01:46:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:46:38,601 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:46:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:46:38,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:46:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-03 01:46:38,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-03 01:46:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 01:46:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-03 01:46:38,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-03 01:46:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 01:46:38,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 01:46:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-03 01:46:38,603 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-03 01:46:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-03 01:46:38,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-03 01:46:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 01:46:38,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 01:46:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-03 01:46:38,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-03 01:46:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-03 01:46:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-03 01:46:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-03 01:46:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-03 01:46:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:46:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:46:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 01:46:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 01:46:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 01:46:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 01:46:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 01:46:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 01:46:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-03 01:46:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-03 01:46:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:46:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:46:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:46:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:46:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-03 01:46:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-03 01:46:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-03 01:46:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-03 01:46:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:46:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:46:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-03 01:46:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-03 01:46:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-03 01:46:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-03 01:46:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 01:46:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 01:46:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-03 01:46:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-03 01:46:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:46:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:46:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 01:46:38,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 01:46:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:46:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:46:38,612 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:46:38,613 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-03 01:46:38,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-03 01:46:38,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 01:46:38,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 01:46:38,614 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-03 01:46:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-03 01:46:38,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:46:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:46:38,614 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-03 01:46:38,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-03 01:46:38,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:46:38,615 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-03 01:46:38,615 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-03 01:46:38,616 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-03 01:46:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-03 01:46:38,616 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-03 01:46:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-03 01:46:38,616 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-03 01:46:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-03 01:46:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 01:46:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 01:46:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:46:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-03 01:46:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-03 01:46:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-03 01:46:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-03 01:46:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 01:46:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 01:46:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-03 01:46:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-03 01:46:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 01:46:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 01:46:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:46:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:46:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 01:46:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 01:46:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:46:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:46:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:46:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:46:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 01:46:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 01:46:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-03 01:46:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-03 01:46:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-03 01:46:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-03 01:46:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-03 01:46:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-03 01:46:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-03 01:46:38,624 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-03 01:46:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-03 01:46:38,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-03 01:46:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 01:46:38,624 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 01:46:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:46:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:46:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 01:46:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 01:46:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-03 01:46:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-03 01:46:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 01:46:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 01:46:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-03 01:46:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-03 01:46:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 01:46:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 01:46:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:46:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:46:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 01:46:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 01:46:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-03 01:46:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-03 01:46:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:46:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:46:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-03 01:46:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-03 01:46:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:46:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 01:46:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 01:46:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:46:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:46:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-11-03 01:46:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-11-03 01:46:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-03 01:46:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-03 01:46:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 01:46:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 01:46:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:46:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:46:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-03 01:46:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-03 01:46:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-03 01:46:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-03 01:46:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 01:46:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 01:46:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-03 01:46:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-03 01:46:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-03 01:46:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-03 01:46:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 01:46:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 01:46:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 01:46:38,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 01:46:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-03 01:46:38,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-03 01:46:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-03 01:46:38,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-03 01:46:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-03 01:46:38,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-03 01:46:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 01:46:38,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 01:46:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 01:46:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 01:46:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-03 01:46:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-03 01:46:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-03 01:46:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-03 01:46:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:46:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:46:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-03 01:46:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-03 01:46:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-03 01:46:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-03 01:46:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:46:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:46:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-03 01:46:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-03 01:46:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 01:46:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 01:46:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-03 01:46:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-03 01:46:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-03 01:46:38,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-03 01:46:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-03 01:46:38,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-03 01:46:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-03 01:46:38,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-03 01:46:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 01:46:38,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 01:46:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:46:38,642 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:46:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 01:46:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:46:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-03 01:46:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-03 01:46:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-03 01:46:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-03 01:46:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-03 01:46:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-03 01:46:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 01:46:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 01:46:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-11-03 01:46:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-11-03 01:46:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-03 01:46:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-03 01:46:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-03 01:46:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-03 01:46:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-03 01:46:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-03 01:46:40,974 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:46:40,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:46:41,146 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:47:12,498 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:47:19,638 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:47:19,639 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-03 01:47:19,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:47:19 BoogieIcfgContainer [2022-11-03 01:47:19,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:47:19,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:47:19,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:47:19,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:47:19,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:46:27" (1/3) ... [2022-11-03 01:47:19,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c713f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:47:19, skipping insertion in model container [2022-11-03 01:47:19,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:46:36" (2/3) ... [2022-11-03 01:47:19,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c713f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:47:19, skipping insertion in model container [2022-11-03 01:47:19,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:47:19" (3/3) ... [2022-11-03 01:47:19,664 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-03 01:47:19,686 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:47:19,687 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-03 01:47:20,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:47:20,020 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;@35474c44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:47:20,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-03 01:47:20,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 3594 states, 2147 states have (on average 1.3032137866790872) internal successors, (2798), 2225 states have internal predecessors, (2798), 1207 states have call successors, (1207), 238 states have call predecessors, (1207), 237 states have return successors, (1201), 1182 states have call predecessors, (1201), 1201 states have call successors, (1201) [2022-11-03 01:47:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-03 01:47:20,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:20,052 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-03 01:47:20,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:20,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:20,060 INFO L85 PathProgramCache]: Analyzing trace with hash 434942836, now seen corresponding path program 1 times [2022-11-03 01:47:20,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:20,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102753752] [2022-11-03 01:47:20,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:20,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:22,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 01:47:22,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:22,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102753752] [2022-11-03 01:47:22,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102753752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:22,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:22,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:47:22,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135015706] [2022-11-03 01:47:22,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:22,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:47:22,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:22,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:47:22,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:47:22,801 INFO L87 Difference]: Start difference. First operand has 3594 states, 2147 states have (on average 1.3032137866790872) internal successors, (2798), 2225 states have internal predecessors, (2798), 1207 states have call successors, (1207), 238 states have call predecessors, (1207), 237 states have return successors, (1201), 1182 states have call predecessors, (1201), 1201 states have call successors, (1201) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:26,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:29,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:47:32,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:36,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:37,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:40,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:47,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:47,674 INFO L93 Difference]: Finished difference Result 8860 states and 12764 transitions. [2022-11-03 01:47:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:47:47,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 34 [2022-11-03 01:47:47,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:47,759 INFO L225 Difference]: With dead ends: 8860 [2022-11-03 01:47:47,759 INFO L226 Difference]: Without dead ends: 5228 [2022-11-03 01:47:47,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:47:47,809 INFO L413 NwaCegarLoop]: 5189 mSDtfsCounter, 5158 mSDsluCounter, 8337 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5166 SdHoareTripleChecker+Valid, 12414 SdHoareTripleChecker+Invalid, 1872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:47,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5166 Valid, 12414 Invalid, 1872 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1868 Invalid, 4 Unknown, 0 Unchecked, 24.1s Time] [2022-11-03 01:47:47,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5228 states. [2022-11-03 01:47:48,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5228 to 5224. [2022-11-03 01:47:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5224 states, 3144 states have (on average 1.3008905852417303) internal successors, (4090), 3252 states have internal predecessors, (4090), 1697 states have call successors, (1697), 382 states have call predecessors, (1697), 382 states have return successors, (1701), 1669 states have call predecessors, (1701), 1697 states have call successors, (1701) [2022-11-03 01:47:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 5224 states and 7488 transitions. [2022-11-03 01:47:48,364 INFO L78 Accepts]: Start accepts. Automaton has 5224 states and 7488 transitions. Word has length 34 [2022-11-03 01:47:48,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:48,365 INFO L495 AbstractCegarLoop]: Abstraction has 5224 states and 7488 transitions. [2022-11-03 01:47:48,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 5224 states and 7488 transitions. [2022-11-03 01:47:48,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-03 01:47:48,369 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:48,370 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 01:47:48,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:47:48,371 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:48,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:48,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1639737901, now seen corresponding path program 1 times [2022-11-03 01:47:48,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:48,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584787325] [2022-11-03 01:47:48,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:48,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-03 01:47:50,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:50,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584787325] [2022-11-03 01:47:50,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584787325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:50,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:50,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:47:50,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940074888] [2022-11-03 01:47:50,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:50,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:47:50,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:50,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:47:50,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:47:50,551 INFO L87 Difference]: Start difference. First operand 5224 states and 7488 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 01:47:54,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:47:56,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:05,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:06,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:08,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:20,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:25,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:28,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:30,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:48:30,563 INFO L93 Difference]: Finished difference Result 9925 states and 14484 transitions. [2022-11-03 01:48:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:48:30,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 97 [2022-11-03 01:48:30,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:48:30,650 INFO L225 Difference]: With dead ends: 9925 [2022-11-03 01:48:30,650 INFO L226 Difference]: Without dead ends: 9923 [2022-11-03 01:48:30,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:48:30,662 INFO L413 NwaCegarLoop]: 6772 mSDtfsCounter, 6307 mSDsluCounter, 12904 mSDsCounter, 0 mSdLazyCounter, 2777 mSolverCounterSat, 256 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6547 SdHoareTripleChecker+Valid, 18059 SdHoareTripleChecker+Invalid, 3038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 2777 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:48:30,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6547 Valid, 18059 Invalid, 3038 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [256 Valid, 2777 Invalid, 5 Unknown, 0 Unchecked, 39.3s Time] [2022-11-03 01:48:30,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9923 states. [2022-11-03 01:48:31,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9923 to 9319. [2022-11-03 01:48:31,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9319 states, 5597 states have (on average 1.3037341432910488) internal successors, (7297), 5794 states have internal predecessors, (7297), 3103 states have call successors, (3103), 618 states have call predecessors, (3103), 618 states have return successors, (3115), 3048 states have call predecessors, (3115), 3103 states have call successors, (3115) [2022-11-03 01:48:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9319 states to 9319 states and 13515 transitions. [2022-11-03 01:48:31,289 INFO L78 Accepts]: Start accepts. Automaton has 9319 states and 13515 transitions. Word has length 97 [2022-11-03 01:48:31,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:48:31,292 INFO L495 AbstractCegarLoop]: Abstraction has 9319 states and 13515 transitions. [2022-11-03 01:48:31,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 01:48:31,294 INFO L276 IsEmpty]: Start isEmpty. Operand 9319 states and 13515 transitions. [2022-11-03 01:48:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2022-11-03 01:48:31,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:48:31,405 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 8, 8, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:48:31,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:48:31,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:48:31,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:48:31,409 INFO L85 PathProgramCache]: Analyzing trace with hash 2099715975, now seen corresponding path program 1 times [2022-11-03 01:48:31,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:48:31,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634973494] [2022-11-03 01:48:31,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:31,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:48:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2022-11-03 01:48:33,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:48:33,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634973494] [2022-11-03 01:48:33,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634973494] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:48:33,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448482499] [2022-11-03 01:48:33,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:33,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:48:33,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:48:33,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:48:34,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:48:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:38,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 11770 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:48:38,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2022-11-03 01:48:38,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:48:38,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448482499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:48:38,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:48:38,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-03 01:48:38,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024436257] [2022-11-03 01:48:38,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:48:38,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:48:38,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:48:38,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:48:38,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:48:38,692 INFO L87 Difference]: Start difference. First operand 9319 states and 13515 transitions. Second operand has 5 states, 5 states have (on average 47.0) internal successors, (235), 4 states have internal predecessors, (235), 2 states have call successors, (79), 2 states have call predecessors, (79), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) [2022-11-03 01:48:42,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:44,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:48:50,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:52,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:57,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:59,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:01,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:14,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:14,153 INFO L93 Difference]: Finished difference Result 18660 states and 27483 transitions. [2022-11-03 01:49:14,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:49:14,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.0) internal successors, (235), 4 states have internal predecessors, (235), 2 states have call successors, (79), 2 states have call predecessors, (79), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) Word has length 557 [2022-11-03 01:49:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:14,243 INFO L225 Difference]: With dead ends: 18660 [2022-11-03 01:49:14,243 INFO L226 Difference]: Without dead ends: 9355 [2022-11-03 01:49:14,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:49:14,319 INFO L413 NwaCegarLoop]: 4436 mSDtfsCounter, 5 mSDsluCounter, 15388 mSDsCounter, 0 mSdLazyCounter, 2809 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17731 SdHoareTripleChecker+Invalid, 2813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2809 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:14,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 17731 Invalid, 2813 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2809 Invalid, 4 Unknown, 0 Unchecked, 34.9s Time] [2022-11-03 01:49:14,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9355 states. [2022-11-03 01:49:14,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9355 to 9331. [2022-11-03 01:49:14,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9331 states, 5606 states have (on average 1.3032465215840172) internal successors, (7306), 5803 states have internal predecessors, (7306), 3103 states have call successors, (3103), 618 states have call predecessors, (3103), 621 states have return successors, (3121), 3051 states have call predecessors, (3121), 3103 states have call successors, (3121) [2022-11-03 01:49:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9331 states to 9331 states and 13530 transitions. [2022-11-03 01:49:15,062 INFO L78 Accepts]: Start accepts. Automaton has 9331 states and 13530 transitions. Word has length 557 [2022-11-03 01:49:15,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:15,064 INFO L495 AbstractCegarLoop]: Abstraction has 9331 states and 13530 transitions. [2022-11-03 01:49:15,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.0) internal successors, (235), 4 states have internal predecessors, (235), 2 states have call successors, (79), 2 states have call predecessors, (79), 3 states have return successors, (79), 3 states have call predecessors, (79), 2 states have call successors, (79) [2022-11-03 01:49:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 9331 states and 13530 transitions. [2022-11-03 01:49:15,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2022-11-03 01:49:15,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:15,147 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:15,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:15,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:49:15,376 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:15,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:15,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1171468939, now seen corresponding path program 1 times [2022-11-03 01:49:15,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:15,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637299189] [2022-11-03 01:49:15,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:15,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:17,662 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2022-11-03 01:49:17,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:17,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637299189] [2022-11-03 01:49:17,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637299189] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:49:17,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737793846] [2022-11-03 01:49:17,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:17,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:49:17,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:49:17,665 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:49:17,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:49:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:22,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 11902 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 01:49:22,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2022-11-03 01:49:22,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:22,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737793846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:22,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:49:22,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-11-03 01:49:22,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789675730] [2022-11-03 01:49:22,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:22,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:49:22,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:22,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:49:22,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:49:22,435 INFO L87 Difference]: Start difference. First operand 9331 states and 13530 transitions. Second operand has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2022-11-03 01:49:26,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:28,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:49:36,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:38,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:48,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:48,371 INFO L93 Difference]: Finished difference Result 18681 states and 27315 transitions. [2022-11-03 01:49:48,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:49:48,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 565 [2022-11-03 01:49:48,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:48,469 INFO L225 Difference]: With dead ends: 18681 [2022-11-03 01:49:48,470 INFO L226 Difference]: Without dead ends: 9364 [2022-11-03 01:49:48,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:49:48,539 INFO L413 NwaCegarLoop]: 4412 mSDtfsCounter, 19 mSDsluCounter, 10189 mSDsCounter, 0 mSdLazyCounter, 2113 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 13209 SdHoareTripleChecker+Invalid, 2123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2113 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:48,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 13209 Invalid, 2123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2113 Invalid, 3 Unknown, 0 Unchecked, 25.4s Time] [2022-11-03 01:49:48,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9364 states. [2022-11-03 01:49:49,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9364 to 9364. [2022-11-03 01:49:49,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9364 states, 5627 states have (on average 1.3026479473964812) internal successors, (7330), 5824 states have internal predecessors, (7330), 3112 states have call successors, (3112), 621 states have call predecessors, (3112), 624 states have return successors, (3133), 3060 states have call predecessors, (3133), 3112 states have call successors, (3133) [2022-11-03 01:49:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9364 states to 9364 states and 13575 transitions. [2022-11-03 01:49:49,253 INFO L78 Accepts]: Start accepts. Automaton has 9364 states and 13575 transitions. Word has length 565 [2022-11-03 01:49:49,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:49,263 INFO L495 AbstractCegarLoop]: Abstraction has 9364 states and 13575 transitions. [2022-11-03 01:49:49,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (76), 2 states have call predecessors, (76), 3 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2022-11-03 01:49:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 9364 states and 13575 transitions. [2022-11-03 01:49:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2022-11-03 01:49:49,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:49,358 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 9, 9, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:49,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:49,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:49:49,572 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:49,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:49,573 INFO L85 PathProgramCache]: Analyzing trace with hash -639991044, now seen corresponding path program 1 times [2022-11-03 01:49:49,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:49,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359553016] [2022-11-03 01:49:49,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:49,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2022-11-03 01:49:51,743 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:51,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359553016] [2022-11-03 01:49:51,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359553016] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:49:51,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690183357] [2022-11-03 01:49:51,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:51,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:49:51,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:49:51,748 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:49:51,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4d3b500-5a7f-48c5-816f-85160b2a77d7/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 01:49:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:56,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 11928 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 01:49:56,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 330 proven. 1 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2022-11-03 01:49:57,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:59,405 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2022-11-03 01:49:59,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690183357] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:59,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1110977745] [2022-11-03 01:49:59,442 INFO L159 IcfgInterpreter]: Started Sifa with 312 locations of interest [2022-11-03 01:49:59,443 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:49:59,449 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:49:59,456 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:49:59,457 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs