./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 74909622391d8d6688f7cf92b1187b85ab387a71d6e4222379ac00e3d2b34d56 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:14:40,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:14:40,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:14:40,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:14:40,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:14:40,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:14:40,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:14:40,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:14:40,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:14:40,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:14:40,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:14:40,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:14:40,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:14:40,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:14:40,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:14:40,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:14:40,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:14:40,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:14:40,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:14:40,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:14:40,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:14:40,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:14:40,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:14:40,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:14:40,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:14:40,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:14:40,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:14:40,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:14:40,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:14:40,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:14:40,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:14:40,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:14:40,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:14:40,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:14:40,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:14:40,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:14:40,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:14:40,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:14:40,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:14:40,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:14:40,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:14:40,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:14:40,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:14:40,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:14:40,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:14:40,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:14:40,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:14:40,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:14:40,857 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:14:40,857 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:14:40,857 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:14:40,858 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:14:40,858 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:14:40,858 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:14:40,858 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:14:40,859 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:14:40,859 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:14:40,859 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:14:40,859 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:14:40,860 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:14:40,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:14:40,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:14:40,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:14:40,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:14:40,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:14:40,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:14:40,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:14:40,862 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:14:40,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:14:40,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:14:40,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:14:40,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:14:40,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:14:40,864 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:14:40,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:14:40,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:14:40,864 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:14:40,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:14:40,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:14:40,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:14:40,865 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_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74909622391d8d6688f7cf92b1187b85ab387a71d6e4222379ac00e3d2b34d56 [2022-11-22 02:14:41,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:14:41,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:14:41,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:14:41,151 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:14:41,152 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:14:41,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-22 02:14:44,243 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:14:45,185 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:14:45,186 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-22 02:14:45,316 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/data/ab2a46754/e32bbad1d33f42a0a55965aa9a6a39a7/FLAG5bc4029b1 [2022-11-22 02:14:45,334 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/data/ab2a46754/e32bbad1d33f42a0a55965aa9a6a39a7 [2022-11-22 02:14:45,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:14:45,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:14:45,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:14:45,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:14:45,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:14:45,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:45,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46524f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45, skipping insertion in model container [2022-11-22 02:14:45,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:45,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:14:45,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:14:54,024 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901789,901802] [2022-11-22 02:14:54,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901936,901949] [2022-11-22 02:14:54,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902075,902088] [2022-11-22 02:14:54,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902233,902246] [2022-11-22 02:14:54,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:14:54,128 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:14:55,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901789,901802] [2022-11-22 02:14:55,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901936,901949] [2022-11-22 02:14:55,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902075,902088] [2022-11-22 02:14:55,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902233,902246] [2022-11-22 02:14:55,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:14:55,717 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:14:55,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55 WrapperNode [2022-11-22 02:14:55,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:14:55,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:14:55,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:14:55,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:14:55,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (1/1) ... [2022-11-22 02:14:56,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (1/1) ... [2022-11-22 02:14:57,324 INFO L138 Inliner]: procedures = 726, calls = 16234, calls flagged for inlining = 402, calls inlined = 353, statements flattened = 28576 [2022-11-22 02:14:57,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:14:57,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:14:57,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:14:57,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:14:57,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (1/1) ... [2022-11-22 02:14:57,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (1/1) ... [2022-11-22 02:14:57,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (1/1) ... [2022-11-22 02:14:57,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (1/1) ... [2022-11-22 02:14:58,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (1/1) ... [2022-11-22 02:14:58,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (1/1) ... [2022-11-22 02:14:58,981 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (1/1) ... [2022-11-22 02:14:59,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (1/1) ... [2022-11-22 02:14:59,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:14:59,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:14:59,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:14:59,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:14:59,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (1/1) ... [2022-11-22 02:14:59,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:14:59,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:14:59,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:14:59,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da0539a-7730-47d1-ba15-a5dbf71a09e2/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:14:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 02:14:59,311 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 02:14:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-22 02:14:59,311 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-22 02:14:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-22 02:14:59,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-22 02:14:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-22 02:14:59,312 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-22 02:14:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-22 02:14:59,312 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-22 02:14:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-22 02:14:59,313 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-22 02:14:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-22 02:14:59,313 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-22 02:14:59,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:14:59,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:14:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-22 02:14:59,314 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-22 02:14:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-22 02:14:59,315 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-22 02:14:59,316 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 02:14:59,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 02:14:59,316 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-22 02:14:59,317 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-22 02:14:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-22 02:14:59,317 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-22 02:14:59,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:14:59,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:14:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-22 02:14:59,319 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-22 02:14:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-22 02:14:59,319 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-22 02:14:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-22 02:14:59,320 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-22 02:14:59,320 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 02:14:59,320 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 02:14:59,320 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-22 02:14:59,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-22 02:14:59,320 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-22 02:14:59,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-22 02:14:59,321 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-22 02:14:59,321 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-22 02:14:59,321 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 02:14:59,322 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 02:14:59,322 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-22 02:14:59,322 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-22 02:14:59,323 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 02:14:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 02:14:59,324 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 02:14:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 02:14:59,324 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-22 02:14:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-22 02:14:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-22 02:14:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-22 02:14:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-22 02:14:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-22 02:14:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-22 02:14:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-22 02:14:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-22 02:14:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-22 02:14:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 02:14:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 02:14:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-22 02:14:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-22 02:14:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-22 02:14:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-22 02:14:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-22 02:14:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-22 02:14:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-22 02:14:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-22 02:14:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 02:14:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 02:14:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 02:14:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 02:14:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 02:14:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 02:14:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 02:14:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 02:14:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 02:14:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 02:14:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:14:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:14:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 02:14:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 02:14:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 02:14:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 02:14:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:14:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 02:14:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 02:14:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-22 02:14:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-22 02:14:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-22 02:14:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-22 02:14:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-22 02:14:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-22 02:14:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-22 02:14:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-22 02:14:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 02:14:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 02:14:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-22 02:14:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-22 02:14:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 02:14:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 02:14:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-22 02:14:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-22 02:14:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-22 02:14:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-22 02:14:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-22 02:14:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-22 02:14:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 02:14:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 02:14:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 02:14:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 02:14:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-22 02:14:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-22 02:14:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-22 02:14:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-22 02:14:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:14:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-22 02:14:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-22 02:14:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-22 02:14:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-22 02:14:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-22 02:14:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-22 02:14:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-22 02:14:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-22 02:14:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 02:14:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 02:14:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-22 02:14:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-22 02:14:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:14:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 02:14:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 02:14:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-22 02:14:59,355 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-22 02:14:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:14:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 02:14:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 02:14:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-22 02:14:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-22 02:14:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-22 02:14:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-22 02:14:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-22 02:14:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-22 02:14:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 02:14:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 02:14:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-22 02:14:59,358 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-22 02:14:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-22 02:14:59,358 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-22 02:14:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 02:14:59,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 02:14:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-22 02:14:59,359 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-22 02:14:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-22 02:14:59,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-22 02:14:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 02:14:59,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 02:14:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-22 02:14:59,360 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-22 02:14:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 02:14:59,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 02:14:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-22 02:14:59,361 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-22 02:14:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-22 02:14:59,361 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-22 02:14:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-22 02:14:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-22 02:14:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 02:14:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 02:14:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-22 02:14:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-22 02:14:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-22 02:14:59,363 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-22 02:14:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-22 02:14:59,364 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-22 02:14:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-22 02:14:59,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-22 02:14:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-22 02:14:59,364 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-22 02:14:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:14:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 02:14:59,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 02:14:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 02:14:59,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 02:14:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-22 02:14:59,365 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-22 02:14:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-22 02:14:59,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-22 02:14:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:14:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 02:14:59,366 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 02:14:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 02:14:59,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 02:14:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 02:14:59,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 02:14:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:14:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-22 02:14:59,367 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-22 02:14:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 02:14:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 02:14:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 02:14:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:14:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:14:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-22 02:14:59,369 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-22 02:14:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-22 02:14:59,369 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-22 02:14:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-22 02:14:59,369 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-22 02:14:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-22 02:14:59,369 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-22 02:14:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 02:14:59,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 02:14:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-22 02:14:59,370 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-22 02:14:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-22 02:14:59,370 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-22 02:14:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-22 02:14:59,371 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-22 02:14:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 02:14:59,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 02:14:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 02:14:59,371 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 02:14:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 02:14:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 02:14:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-22 02:14:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-22 02:14:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 02:14:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 02:14:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-22 02:14:59,374 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-22 02:14:59,377 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-22 02:14:59,377 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-22 02:14:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 02:14:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 02:14:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-22 02:14:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-22 02:14:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-22 02:14:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-22 02:14:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-22 02:14:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-22 02:14:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 02:14:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 02:14:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-22 02:14:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-22 02:14:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-22 02:14:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-22 02:14:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-22 02:14:59,381 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-22 02:14:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 02:14:59,381 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 02:14:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 02:14:59,381 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 02:14:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-22 02:14:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-22 02:14:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-22 02:14:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-22 02:14:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-22 02:14:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-22 02:14:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-22 02:14:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-22 02:14:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:14:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:14:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-22 02:14:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-22 02:14:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-22 02:14:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-22 02:14:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-22 02:14:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-22 02:14:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-22 02:14:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-22 02:14:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-22 02:14:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-22 02:14:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 02:14:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 02:14:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-22 02:14:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-22 02:14:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:14:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:14:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:14:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:14:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-22 02:14:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-22 02:14:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:14:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:14:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-22 02:14:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-22 02:14:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-22 02:14:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-22 02:14:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 02:14:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 02:14:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 02:14:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 02:14:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 02:14:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 02:14:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 02:14:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-22 02:14:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-22 02:14:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-22 02:14:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-22 02:14:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 02:14:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 02:14:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-22 02:14:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-22 02:14:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 02:14:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 02:14:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 02:14:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 02:14:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-22 02:14:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-22 02:14:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-22 02:14:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-22 02:14:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-22 02:14:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-22 02:14:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-22 02:14:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-22 02:14:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 02:14:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 02:14:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-22 02:14:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-22 02:14:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-22 02:14:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-22 02:14:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-22 02:14:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-22 02:14:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 02:14:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 02:14:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-22 02:14:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-22 02:14:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-22 02:14:59,394 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-22 02:14:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-22 02:14:59,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-22 02:14:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 02:14:59,394 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 02:14:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-22 02:14:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-22 02:14:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-22 02:14:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-22 02:14:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:14:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 02:14:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 02:14:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 02:14:59,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 02:14:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 02:14:59,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 02:14:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-22 02:14:59,396 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-22 02:14:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:14:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-22 02:14:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-22 02:14:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-22 02:14:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-22 02:14:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-22 02:14:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-22 02:14:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-22 02:14:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-22 02:14:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-22 02:14:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-22 02:14:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-22 02:14:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-22 02:14:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:14:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-22 02:14:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-22 02:14:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-22 02:14:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-22 02:14:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-22 02:14:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-22 02:14:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 02:14:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 02:14:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-22 02:14:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-22 02:14:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-22 02:14:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-22 02:14:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-22 02:14:59,401 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-22 02:14:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 02:14:59,401 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 02:14:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-22 02:14:59,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-22 02:14:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 02:14:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 02:14:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 02:14:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 02:14:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-22 02:14:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-22 02:14:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 02:14:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 02:14:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-22 02:14:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-22 02:14:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-22 02:14:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-22 02:14:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-22 02:14:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-22 02:14:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-22 02:14:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-22 02:14:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-22 02:14:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-22 02:14:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-22 02:14:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-22 02:14:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-22 02:14:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-22 02:14:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-22 02:14:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-22 02:14:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-22 02:14:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-22 02:14:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 02:14:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 02:14:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 02:14:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 02:14:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-22 02:14:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-22 02:14:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-22 02:14:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-22 02:14:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-22 02:14:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-22 02:14:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-22 02:14:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-22 02:14:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-22 02:14:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-22 02:14:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-22 02:14:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-22 02:14:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 02:14:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 02:14:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-22 02:14:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-22 02:14:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-22 02:14:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-22 02:14:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-22 02:14:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-22 02:14:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:14:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:14:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-22 02:14:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-22 02:14:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-22 02:14:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-22 02:14:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_20 [2022-11-22 02:14:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_20 [2022-11-22 02:14:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:14:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-22 02:14:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-22 02:14:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:14:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:14:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-22 02:14:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-22 02:14:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-22 02:14:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-22 02:14:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-22 02:14:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-22 02:14:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 02:14:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 02:14:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-22 02:14:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-22 02:14:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 02:14:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 02:14:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-22 02:14:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-22 02:14:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-22 02:14:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-22 02:14:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 02:14:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 02:14:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-22 02:14:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-22 02:14:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-22 02:14:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-22 02:14:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-22 02:14:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-22 02:14:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-22 02:14:59,416 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-22 02:14:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 02:14:59,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 02:14:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-22 02:14:59,416 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-22 02:14:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-22 02:14:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-22 02:14:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-22 02:14:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-22 02:14:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 02:14:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 02:14:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-22 02:14:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-22 02:14:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:14:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:14:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-22 02:14:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-22 02:14:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-22 02:14:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-22 02:14:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-22 02:14:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-22 02:14:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 02:14:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 02:14:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-22 02:14:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-22 02:14:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 02:14:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 02:14:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-22 02:14:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-22 02:14:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-22 02:14:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-22 02:14:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 02:14:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 02:14:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-22 02:14:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:14:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-22 02:14:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-22 02:14:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-22 02:14:59,422 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-22 02:14:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 02:14:59,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 02:14:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-22 02:15:01,942 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:15:01,951 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:15:03,516 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:16:07,052 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 02:16:07,557 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:16:16,225 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:16:16,225 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-22 02:16:16,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:16:16 BoogieIcfgContainer [2022-11-22 02:16:16,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:16:16,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:16:16,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:16:16,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:16:16,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:14:45" (1/3) ... [2022-11-22 02:16:16,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca4272b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:16:16, skipping insertion in model container [2022-11-22 02:16:16,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:55" (2/3) ... [2022-11-22 02:16:16,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca4272b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:16:16, skipping insertion in model container [2022-11-22 02:16:16,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:16:16" (3/3) ... [2022-11-22 02:16:16,246 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-22 02:16:16,267 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:16:16,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 02:16:16,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:16:16,466 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;@1b9a0c79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:16:16,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 02:16:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 6725 states, 4311 states have (on average 1.3423799582463465) internal successors, (5787), 4404 states have internal predecessors, (5787), 2170 states have call successors, (2170), 245 states have call predecessors, (2170), 244 states have return successors, (2164), 2156 states have call predecessors, (2164), 2164 states have call successors, (2164) [2022-11-22 02:16:16,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-22 02:16:16,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:16:16,516 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:16:16,516 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:16:16,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:16:16,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2097428429, now seen corresponding path program 1 times [2022-11-22 02:16:16,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:16:16,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298489270] [2022-11-22 02:16:16,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:16:16,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:16:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:16:19,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-11-22 02:16:19,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:16:19,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298489270] [2022-11-22 02:16:19,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298489270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:16:19,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:16:19,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:16:19,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845244074] [2022-11-22 02:16:19,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:16:19,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:16:19,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:16:19,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:16:19,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:16:19,118 INFO L87 Difference]: Start difference. First operand has 6725 states, 4311 states have (on average 1.3423799582463465) internal successors, (5787), 4404 states have internal predecessors, (5787), 2170 states have call successors, (2170), 245 states have call predecessors, (2170), 244 states have return successors, (2164), 2156 states have call predecessors, (2164), 2164 states have call successors, (2164) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-22 02:16:27,383 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 [] [2022-11-22 02:16:30,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:16:32,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:16:37,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:16:42,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:16:44,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:16:45,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:16:45,077 INFO L93 Difference]: Finished difference Result 19578 states and 29525 transitions. [2022-11-22 02:16:45,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:16:45,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 250 [2022-11-22 02:16:45,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:16:45,235 INFO L225 Difference]: With dead ends: 19578 [2022-11-22 02:16:45,236 INFO L226 Difference]: Without dead ends: 12890 [2022-11-22 02:16:45,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:16:45,326 INFO L413 NwaCegarLoop]: 11345 mSDtfsCounter, 9295 mSDsluCounter, 9252 mSDsCounter, 0 mSdLazyCounter, 1638 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9296 SdHoareTripleChecker+Valid, 20597 SdHoareTripleChecker+Invalid, 1649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1638 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:16:45,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9296 Valid, 20597 Invalid, 1649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1638 Invalid, 4 Unknown, 0 Unchecked, 24.8s Time] [2022-11-22 02:16:45,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12890 states. [2022-11-22 02:16:46,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12890 to 12880. [2022-11-22 02:16:46,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12880 states, 8219 states have (on average 1.336415622338484) internal successors, (10984), 8399 states have internal predecessors, (10984), 4180 states have call successors, (4180), 480 states have call predecessors, (4180), 479 states have return successors, (4178), 4161 states have call predecessors, (4178), 4177 states have call successors, (4178) [2022-11-22 02:16:46,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12880 states to 12880 states and 19342 transitions. [2022-11-22 02:16:46,881 INFO L78 Accepts]: Start accepts. Automaton has 12880 states and 19342 transitions. Word has length 250 [2022-11-22 02:16:46,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:16:46,886 INFO L495 AbstractCegarLoop]: Abstraction has 12880 states and 19342 transitions. [2022-11-22 02:16:46,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-22 02:16:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 12880 states and 19342 transitions. [2022-11-22 02:16:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-11-22 02:16:46,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:16:46,912 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:16:46,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:16:46,913 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:16:46,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:16:46,913 INFO L85 PathProgramCache]: Analyzing trace with hash 190476702, now seen corresponding path program 1 times [2022-11-22 02:16:46,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:16:46,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257000] [2022-11-22 02:16:46,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:16:46,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:16:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:16:49,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-11-22 02:16:49,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:16:49,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257000] [2022-11-22 02:16:49,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:16:49,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:16:49,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:16:49,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361903363] [2022-11-22 02:16:49,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:16:49,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:16:49,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:16:49,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:16:49,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:16:49,076 INFO L87 Difference]: Start difference. First operand 12880 states and 19342 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 02:16:51,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:16:53,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:02,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:05,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:07,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:09,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:12,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:14,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:16,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:17,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:17:17,154 INFO L93 Difference]: Finished difference Result 30907 states and 46427 transitions. [2022-11-22 02:17:17,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:17:17,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 275 [2022-11-22 02:17:17,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:17:17,386 INFO L225 Difference]: With dead ends: 30907 [2022-11-22 02:17:17,386 INFO L226 Difference]: Without dead ends: 18074 [2022-11-22 02:17:17,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:17:17,666 INFO L413 NwaCegarLoop]: 11298 mSDtfsCounter, 8532 mSDsluCounter, 9224 mSDsCounter, 0 mSdLazyCounter, 1717 mSolverCounterSat, 19 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8533 SdHoareTripleChecker+Valid, 20522 SdHoareTripleChecker+Invalid, 1739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1717 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:17:17,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8533 Valid, 20522 Invalid, 1739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1717 Invalid, 3 Unknown, 0 Unchecked, 27.1s Time] [2022-11-22 02:17:17,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18074 states. [2022-11-22 02:17:19,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18074 to 18065. [2022-11-22 02:17:19,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18065 states, 11567 states have (on average 1.333967320826489) internal successors, (15430), 11813 states have internal predecessors, (15430), 5843 states have call successors, (5843), 655 states have call predecessors, (5843), 653 states have return successors, (5842), 5811 states have call predecessors, (5842), 5840 states have call successors, (5842) [2022-11-22 02:17:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18065 states to 18065 states and 27115 transitions. [2022-11-22 02:17:19,240 INFO L78 Accepts]: Start accepts. Automaton has 18065 states and 27115 transitions. Word has length 275 [2022-11-22 02:17:19,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:17:19,241 INFO L495 AbstractCegarLoop]: Abstraction has 18065 states and 27115 transitions. [2022-11-22 02:17:19,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 02:17:19,242 INFO L276 IsEmpty]: Start isEmpty. Operand 18065 states and 27115 transitions. [2022-11-22 02:17:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-22 02:17:19,259 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:17:19,259 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:17:19,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:17:19,260 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:17:19,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:17:19,261 INFO L85 PathProgramCache]: Analyzing trace with hash 94755046, now seen corresponding path program 1 times [2022-11-22 02:17:19,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:17:19,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490242850] [2022-11-22 02:17:19,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:17:19,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:17:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:17:22,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2247 trivial. 0 not checked. [2022-11-22 02:17:22,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:17:22,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490242850] [2022-11-22 02:17:22,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490242850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:17:22,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:17:22,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:17:22,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715515133] [2022-11-22 02:17:22,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:17:22,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:17:22,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:17:22,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:17:22,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:17:22,245 INFO L87 Difference]: Start difference. First operand 18065 states and 27115 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-22 02:17:24,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:29,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:33,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:36,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:38,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:41,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:43,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:49,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:52,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:53,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:55,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:57,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:17:59,816 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 [] [2022-11-22 02:18:01,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:18:01,547 INFO L93 Difference]: Finished difference Result 30016 states and 45032 transitions. [2022-11-22 02:18:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:18:01,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 292 [2022-11-22 02:18:01,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:18:01,793 INFO L225 Difference]: With dead ends: 30016 [2022-11-22 02:18:01,794 INFO L226 Difference]: Without dead ends: 29993 [2022-11-22 02:18:01,832 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 [2022-11-22 02:18:01,835 INFO L413 NwaCegarLoop]: 11308 mSDtfsCounter, 9358 mSDsluCounter, 20506 mSDsCounter, 0 mSdLazyCounter, 2434 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9358 SdHoareTripleChecker+Valid, 31814 SdHoareTripleChecker+Invalid, 2441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2434 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:18:01,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9358 Valid, 31814 Invalid, 2441 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2434 Invalid, 7 Unknown, 0 Unchecked, 38.3s Time] [2022-11-22 02:18:01,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29993 states. [2022-11-22 02:18:04,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29993 to 29985. [2022-11-22 02:18:04,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29985 states, 19163 states have (on average 1.332672337316704) internal successors, (25538), 19572 states have internal predecessors, (25538), 9722 states have call successors, (9722), 1100 states have call predecessors, (9722), 1098 states have return successors, (9722), 9674 states have call predecessors, (9722), 9719 states have call successors, (9722) [2022-11-22 02:18:04,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29985 states to 29985 states and 44982 transitions. [2022-11-22 02:18:04,482 INFO L78 Accepts]: Start accepts. Automaton has 29985 states and 44982 transitions. Word has length 292 [2022-11-22 02:18:04,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:18:04,483 INFO L495 AbstractCegarLoop]: Abstraction has 29985 states and 44982 transitions. [2022-11-22 02:18:04,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-22 02:18:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 29985 states and 44982 transitions. [2022-11-22 02:18:04,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-11-22 02:18:04,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:18:04,504 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 5, 5, 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] [2022-11-22 02:18:04,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:18:04,505 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:18:04,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:18:04,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1308874091, now seen corresponding path program 1 times [2022-11-22 02:18:04,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:18:04,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901614747] [2022-11-22 02:18:04,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:18:04,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:18:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:18:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2253 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2250 trivial. 0 not checked. [2022-11-22 02:18:06,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:18:06,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901614747] [2022-11-22 02:18:06,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901614747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:18:06,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:18:06,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:18:06,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432790472] [2022-11-22 02:18:06,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:18:06,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:18:06,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:18:06,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:18:06,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:18:06,493 INFO L87 Difference]: Start difference. First operand 29985 states and 44982 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-22 02:18:09,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:18:20,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:18:23,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:18:25,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:18:29,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:18:34,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:18:36,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:18:38,376 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 [] [2022-11-22 02:18:39,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:18:39,957 INFO L93 Difference]: Finished difference Result 65666 states and 98526 transitions. [2022-11-22 02:18:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:18:39,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 322 [2022-11-22 02:18:39,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:18:40,272 INFO L225 Difference]: With dead ends: 65666 [2022-11-22 02:18:40,272 INFO L226 Difference]: Without dead ends: 41382 [2022-11-22 02:18:40,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:18:40,602 INFO L413 NwaCegarLoop]: 17127 mSDtfsCounter, 8526 mSDsluCounter, 9222 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 15 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8527 SdHoareTripleChecker+Valid, 26349 SdHoareTripleChecker+Invalid, 2351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:18:40,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8527 Valid, 26349 Invalid, 2351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 2331 Invalid, 5 Unknown, 0 Unchecked, 32.0s Time] [2022-11-22 02:18:40,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41382 states. [2022-11-22 02:18:43,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41382 to 41370. [2022-11-22 02:18:43,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41370 states, 26444 states have (on average 1.3320223869308727) internal successors, (35224), 27008 states have internal predecessors, (35224), 13414 states have call successors, (13414), 1513 states have call predecessors, (13414), 1510 states have return successors, (13416), 13344 states have call predecessors, (13416), 13411 states have call successors, (13416) [2022-11-22 02:18:43,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41370 states to 41370 states and 62054 transitions. [2022-11-22 02:18:43,566 INFO L78 Accepts]: Start accepts. Automaton has 41370 states and 62054 transitions. Word has length 322 [2022-11-22 02:18:43,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:18:43,568 INFO L495 AbstractCegarLoop]: Abstraction has 41370 states and 62054 transitions. [2022-11-22 02:18:43,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-22 02:18:43,568 INFO L276 IsEmpty]: Start isEmpty. Operand 41370 states and 62054 transitions. [2022-11-22 02:18:43,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-11-22 02:18:43,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:18:43,632 INFO L195 NwaCegarLoop]: trace histogram [29, 23, 23, 23, 23, 23, 23, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:18:43,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:18:43,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:18:43,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:18:43,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1662617478, now seen corresponding path program 1 times [2022-11-22 02:18:43,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:18:43,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223314710] [2022-11-22 02:18:43,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:18:43,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:18:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:18:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2473 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2473 trivial. 0 not checked. [2022-11-22 02:18:46,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:18:46,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223314710] [2022-11-22 02:18:46,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223314710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:18:46,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:18:46,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:18:46,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441681339] [2022-11-22 02:18:46,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:18:46,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:18:46,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:18:46,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:18:46,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:18:46,713 INFO L87 Difference]: Start difference. First operand 41370 states and 62054 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-22 02:18:59,107 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 [] [2022-11-22 02:19:02,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:19:15,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:19:17,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:19:19,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:19:22,020 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 [] [2022-11-22 02:19:24,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:19:24,758 INFO L93 Difference]: Finished difference Result 49526 states and 75018 transitions. [2022-11-22 02:19:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:19:24,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 384 [2022-11-22 02:19:24,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:19:25,107 INFO L225 Difference]: With dead ends: 49526 [2022-11-22 02:19:25,107 INFO L226 Difference]: Without dead ends: 49524 [2022-11-22 02:19:25,154 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 [2022-11-22 02:19:25,155 INFO L413 NwaCegarLoop]: 13345 mSDtfsCounter, 12325 mSDsluCounter, 22306 mSDsCounter, 0 mSdLazyCounter, 3298 mSolverCounterSat, 509 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12837 SdHoareTripleChecker+Valid, 35651 SdHoareTripleChecker+Invalid, 3813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 3298 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:19:25,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12837 Valid, 35651 Invalid, 3813 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [509 Valid, 3298 Invalid, 6 Unknown, 0 Unchecked, 36.4s Time] [2022-11-22 02:19:25,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49524 states. [2022-11-22 02:19:28,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49524 to 41574. [2022-11-22 02:19:28,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41574 states, 26568 states have (on average 1.3317524841915085) internal successors, (35382), 27134 states have internal predecessors, (35382), 13480 states have call successors, (13480), 1526 states have call predecessors, (13480), 1524 states have return successors, (13483), 13410 states have call predecessors, (13483), 13477 states have call successors, (13483) [2022-11-22 02:19:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41574 states to 41574 states and 62345 transitions. [2022-11-22 02:19:28,816 INFO L78 Accepts]: Start accepts. Automaton has 41574 states and 62345 transitions. Word has length 384 [2022-11-22 02:19:28,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:19:28,818 INFO L495 AbstractCegarLoop]: Abstraction has 41574 states and 62345 transitions. [2022-11-22 02:19:28,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-22 02:19:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 41574 states and 62345 transitions. [2022-11-22 02:19:28,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2022-11-22 02:19:28,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:19:28,991 INFO L195 NwaCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:19:28,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:19:28,991 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:19:28,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:19:28,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1020980224, now seen corresponding path program 1 times [2022-11-22 02:19:28,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:19:28,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382684633] [2022-11-22 02:19:28,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:19:28,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:19:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:19:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2998 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2998 trivial. 0 not checked. [2022-11-22 02:19:32,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:19:32,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382684633] [2022-11-22 02:19:32,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382684633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:19:32,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:19:32,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:19:32,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785185573] [2022-11-22 02:19:32,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:19:32,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:19:32,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:19:32,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:19:32,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:19:32,462 INFO L87 Difference]: Start difference. First operand 41574 states and 62345 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-22 02:19:36,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:19:44,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:19:49,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:19:52,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:19:54,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:19:55,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:20:01,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:20:05,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:20:07,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:20:11,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:20:14,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:20:17,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:20:19,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:20:21,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:20:21,584 INFO L93 Difference]: Finished difference Result 98695 states and 149510 transitions. [2022-11-22 02:20:21,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:20:21,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 489 [2022-11-22 02:20:21,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:20:22,472 INFO L225 Difference]: With dead ends: 98695 [2022-11-22 02:20:22,472 INFO L226 Difference]: Without dead ends: 98693 [2022-11-22 02:20:22,517 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 [2022-11-22 02:20:22,518 INFO L413 NwaCegarLoop]: 13472 mSDtfsCounter, 12881 mSDsluCounter, 23177 mSDsCounter, 0 mSdLazyCounter, 3437 mSolverCounterSat, 519 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13393 SdHoareTripleChecker+Valid, 36649 SdHoareTripleChecker+Invalid, 3966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 3437 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:20:22,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13393 Valid, 36649 Invalid, 3966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [519 Valid, 3437 Invalid, 10 Unknown, 0 Unchecked, 45.8s Time] [2022-11-22 02:20:22,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98693 states. [2022-11-22 02:20:28,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98693 to 82798. [2022-11-22 02:20:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82798 states, 52913 states have (on average 1.3319789087747813) internal successors, (70479), 54052 states have internal predecessors, (70479), 26849 states have call successors, (26849), 3038 states have call predecessors, (26849), 3034 states have return successors, (26859), 26700 states have call predecessors, (26859), 26846 states have call successors, (26859) [2022-11-22 02:20:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82798 states to 82798 states and 124187 transitions. [2022-11-22 02:20:29,983 INFO L78 Accepts]: Start accepts. Automaton has 82798 states and 124187 transitions. Word has length 489 [2022-11-22 02:20:29,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:20:29,984 INFO L495 AbstractCegarLoop]: Abstraction has 82798 states and 124187 transitions. [2022-11-22 02:20:29,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-22 02:20:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 82798 states and 124187 transitions. [2022-11-22 02:20:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-11-22 02:20:30,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:20:30,185 INFO L195 NwaCegarLoop]: trace histogram [34, 25, 25, 25, 25, 25, 25, 13, 13, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:20:30,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:20:30,185 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:20:30,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:20:30,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1873176621, now seen corresponding path program 1 times [2022-11-22 02:20:30,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:20:30,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532377869] [2022-11-22 02:20:30,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:20:30,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:20:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:20:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3217 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3217 trivial. 0 not checked. [2022-11-22 02:20:33,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:20:33,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532377869] [2022-11-22 02:20:33,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532377869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:20:33,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:20:33,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:20:33,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992936113] [2022-11-22 02:20:33,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:20:33,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:20:33,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:20:33,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:20:33,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:20:33,188 INFO L87 Difference]: Start difference. First operand 82798 states and 124187 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-11-22 02:20:42,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:20:45,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:20:48,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:20:55,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:21:04,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:21:04,900 INFO L93 Difference]: Finished difference Result 100798 states and 151201 transitions. [2022-11-22 02:21:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:21:04,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 521 [2022-11-22 02:21:04,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:21:05,671 INFO L225 Difference]: With dead ends: 100798 [2022-11-22 02:21:05,671 INFO L226 Difference]: Without dead ends: 100745 [2022-11-22 02:21:05,741 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 [2022-11-22 02:21:05,741 INFO L413 NwaCegarLoop]: 11428 mSDtfsCounter, 9818 mSDsluCounter, 20626 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9819 SdHoareTripleChecker+Valid, 32054 SdHoareTripleChecker+Invalid, 2455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:21:05,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9819 Valid, 32054 Invalid, 2455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2452 Invalid, 3 Unknown, 0 Unchecked, 28.4s Time] [2022-11-22 02:21:05,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100745 states. [2022-11-22 02:21:12,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100745 to 100740. [2022-11-22 02:21:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100740 states, 64413 states have (on average 1.3321844969183239) internal successors, (85810), 65785 states have internal predecessors, (85810), 32635 states have call successors, (32635), 3692 states have call predecessors, (32635), 3690 states have return successors, (32648), 32470 states have call predecessors, (32648), 32632 states have call successors, (32648) [2022-11-22 02:21:13,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100740 states to 100740 states and 151093 transitions. [2022-11-22 02:21:13,708 INFO L78 Accepts]: Start accepts. Automaton has 100740 states and 151093 transitions. Word has length 521 [2022-11-22 02:21:13,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:21:13,710 INFO L495 AbstractCegarLoop]: Abstraction has 100740 states and 151093 transitions. [2022-11-22 02:21:13,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-11-22 02:21:13,710 INFO L276 IsEmpty]: Start isEmpty. Operand 100740 states and 151093 transitions. [2022-11-22 02:21:14,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2022-11-22 02:21:14,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:21:14,089 INFO L195 NwaCegarLoop]: trace histogram [33, 25, 25, 25, 25, 25, 25, 11, 11, 6, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:21:14,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 02:21:14,089 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:21:14,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:21:14,090 INFO L85 PathProgramCache]: Analyzing trace with hash -2137148166, now seen corresponding path program 1 times [2022-11-22 02:21:14,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:21:14,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354317813] [2022-11-22 02:21:14,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:21:14,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:21:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:21:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3141 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3128 trivial. 0 not checked. [2022-11-22 02:21:15,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:21:15,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354317813] [2022-11-22 02:21:15,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354317813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:21:15,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:21:15,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:21:15,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508025714] [2022-11-22 02:21:15,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:21:15,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:21:15,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:21:15,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:21:15,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:21:15,797 INFO L87 Difference]: Start difference. First operand 100740 states and 151093 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) [2022-11-22 02:21:19,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:21:25,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:21:36,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:21:39,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:21:41,164 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 [] [2022-11-22 02:21:46,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:21:46,041 INFO L93 Difference]: Finished difference Result 172988 states and 259038 transitions. [2022-11-22 02:21:46,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:21:46,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) Word has length 652 [2022-11-22 02:21:46,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:21:46,408 INFO L225 Difference]: With dead ends: 172988 [2022-11-22 02:21:46,408 INFO L226 Difference]: Without dead ends: 72295 [2022-11-22 02:21:47,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:21:47,130 INFO L413 NwaCegarLoop]: 12896 mSDtfsCounter, 6415 mSDsluCounter, 9170 mSDsCounter, 0 mSdLazyCounter, 1801 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6415 SdHoareTripleChecker+Valid, 22066 SdHoareTripleChecker+Invalid, 1811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1801 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:21:47,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6415 Valid, 22066 Invalid, 1811 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7 Valid, 1801 Invalid, 3 Unknown, 0 Unchecked, 26.5s Time] [2022-11-22 02:21:47,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72295 states. [2022-11-22 02:21:51,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72295 to 72265. [2022-11-22 02:21:51,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72265 states, 46196 states have (on average 1.3289245822149103) internal successors, (61391), 47161 states have internal predecessors, (61391), 23257 states have call successors, (23257), 2818 states have call predecessors, (23257), 2810 states have return successors, (23262), 23130 states have call predecessors, (23262), 23254 states have call successors, (23262) [2022-11-22 02:21:52,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72265 states to 72265 states and 107910 transitions. [2022-11-22 02:21:52,375 INFO L78 Accepts]: Start accepts. Automaton has 72265 states and 107910 transitions. Word has length 652 [2022-11-22 02:21:52,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:21:52,376 INFO L495 AbstractCegarLoop]: Abstraction has 72265 states and 107910 transitions. [2022-11-22 02:21:52,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) [2022-11-22 02:21:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 72265 states and 107910 transitions. [2022-11-22 02:21:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2022-11-22 02:21:52,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:21:52,455 INFO L195 NwaCegarLoop]: trace histogram [35, 25, 25, 25, 25, 25, 25, 13, 13, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:21:52,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 02:21:52,455 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:21:52,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:21:52,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1618732616, now seen corresponding path program 1 times [2022-11-22 02:21:52,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:21:52,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604833307] [2022-11-22 02:21:52,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:21:52,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:21:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:21:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3414 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 3353 trivial. 0 not checked. [2022-11-22 02:21:54,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:21:54,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604833307] [2022-11-22 02:21:54,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604833307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:21:54,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:21:54,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:21:54,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504798267] [2022-11-22 02:21:54,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:21:54,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:21:54,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:21:54,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:21:54,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:21:54,596 INFO L87 Difference]: Start difference. First operand 72265 states and 107910 transitions. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 3 states have call successors, (90), 1 states have call predecessors, (90), 1 states have return successors, (90), 3 states have call predecessors, (90), 3 states have call successors, (90) [2022-11-22 02:21:57,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:22:01,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:22:04,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:22:06,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:22:13,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:22:18,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:22:20,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:22:22,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:22:22,919 INFO L93 Difference]: Finished difference Result 154744 states and 231018 transitions. [2022-11-22 02:22:22,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:22:22,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 3 states have call successors, (90), 1 states have call predecessors, (90), 1 states have return successors, (90), 3 states have call predecessors, (90), 3 states have call successors, (90) Word has length 709 [2022-11-22 02:22:22,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:22:23,397 INFO L225 Difference]: With dead ends: 154744 [2022-11-22 02:22:23,397 INFO L226 Difference]: Without dead ends: 87168 [2022-11-22 02:22:23,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:22:23,699 INFO L413 NwaCegarLoop]: 10864 mSDtfsCounter, 6965 mSDsluCounter, 9170 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6965 SdHoareTripleChecker+Valid, 20034 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:22:23,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6965 Valid, 20034 Invalid, 1697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1686 Invalid, 4 Unknown, 0 Unchecked, 24.6s Time] [2022-11-22 02:22:23,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87168 states.