./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-vmxnet3-vmxnet3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7 --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 15bbc54f53a5b4d34004632abf569b960acfb9bb9ac53557ad529439e4f67d1f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:24:13,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:24:13,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:24:13,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:24:13,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:24:13,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:24:13,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:24:13,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:24:13,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:24:13,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:24:13,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:24:13,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:24:13,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:24:13,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:24:13,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:24:13,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:24:13,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:24:13,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:24:13,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:24:13,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:24:13,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:24:13,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:24:13,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:24:13,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:24:13,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:24:13,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:24:13,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:24:13,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:24:13,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:24:13,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:24:13,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:24:13,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:24:13,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:24:13,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:24:13,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:24:13,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:24:13,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:24:13,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:24:13,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:24:13,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:24:13,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:24:13,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:24:13,924 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:24:13,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:24:13,925 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:24:13,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:24:13,926 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:24:13,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:24:13,932 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:24:13,932 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:24:13,932 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:24:13,932 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:24:13,933 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:24:13,934 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:24:13,934 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:24:13,934 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:24:13,934 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:24:13,934 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:24:13,935 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:24:13,935 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:24:13,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:24:13,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:24:13,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:24:13,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:24:13,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:24:13,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:24:13,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:24:13,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:24:13,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:24:13,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:24:13,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:24:13,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:24:13,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:24:13,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:24:13,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:24:13,940 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:24:13,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:24:13,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:24:13,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:24:13,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:24:13,941 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15bbc54f53a5b4d34004632abf569b960acfb9bb9ac53557ad529439e4f67d1f [2021-11-25 18:24:14,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:24:14,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:24:14,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:24:14,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:24:14,246 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:24:14,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-25 18:24:14,321 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/data/5c5549f99/4b715914aadc452397b159c348dc6843/FLAG18cbbbd07 [2021-11-25 18:24:15,274 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:24:15,275 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-25 18:24:15,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/data/5c5549f99/4b715914aadc452397b159c348dc6843/FLAG18cbbbd07 [2021-11-25 18:24:15,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/data/5c5549f99/4b715914aadc452397b159c348dc6843 [2021-11-25 18:24:15,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:24:15,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:24:15,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:24:15,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:24:15,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:24:15,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:24:15" (1/1) ... [2021-11-25 18:24:15,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201aaf5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:15, skipping insertion in model container [2021-11-25 18:24:15,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:24:15" (1/1) ... [2021-11-25 18:24:15,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:24:15,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:24:20,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507435,507448] [2021-11-25 18:24:20,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507582,507595] [2021-11-25 18:24:20,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507721,507734] [2021-11-25 18:24:20,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507879,507892] [2021-11-25 18:24:20,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:24:20,432 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:24:21,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507435,507448] [2021-11-25 18:24:21,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507582,507595] [2021-11-25 18:24:21,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507721,507734] [2021-11-25 18:24:21,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507879,507892] [2021-11-25 18:24:21,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:24:21,408 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:24:21,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21 WrapperNode [2021-11-25 18:24:21,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:24:21,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:24:21,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:24:21,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:24:21,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21" (1/1) ... [2021-11-25 18:24:21,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21" (1/1) ... [2021-11-25 18:24:21,858 INFO L137 Inliner]: procedures = 560, calls = 3962, calls flagged for inlining = 328, calls inlined = 280, statements flattened = 8591 [2021-11-25 18:24:21,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:24:21,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:24:21,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:24:21,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:24:21,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21" (1/1) ... [2021-11-25 18:24:21,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21" (1/1) ... [2021-11-25 18:24:21,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21" (1/1) ... [2021-11-25 18:24:21,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21" (1/1) ... [2021-11-25 18:24:22,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21" (1/1) ... [2021-11-25 18:24:22,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21" (1/1) ... [2021-11-25 18:24:22,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21" (1/1) ... [2021-11-25 18:24:22,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:24:22,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:24:22,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:24:22,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:24:22,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21" (1/1) ... [2021-11-25 18:24:22,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:24:22,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:24:22,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:24:22,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99607c0f-722a-4e0f-a953-067677b31f95/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:24:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-11-25 18:24:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-11-25 18:24:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-11-25 18:24:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-11-25 18:24:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-11-25 18:24:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-11-25 18:24:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:24:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:24:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-25 18:24:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-25 18:24:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 18:24:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 18:24:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-11-25 18:24:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-11-25 18:24:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:24:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:24:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 18:24:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 18:24:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-25 18:24:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-25 18:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:24:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 18:24:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 18:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 18:24:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 18:24:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-11-25 18:24:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-11-25 18:24:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-25 18:24:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-25 18:24:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-25 18:24:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-25 18:24:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-11-25 18:24:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-11-25 18:24:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 18:24:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 18:24:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:24:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:24:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 18:24:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 18:24:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:24:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:24:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 18:24:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 18:24:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:24:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 18:24:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 18:24:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-11-25 18:24:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-11-25 18:24:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-25 18:24:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-25 18:24:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 18:24:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 18:24:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-25 18:24:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-25 18:24:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 18:24:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 18:24:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-25 18:24:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-25 18:24:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:24:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:24:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:24:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 18:24:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 18:24:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:24:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:24:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:24:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-11-25 18:24:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-11-25 18:24:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:24:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-11-25 18:24:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-11-25 18:24:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:24:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:24:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:24:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:24:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 18:24:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 18:24:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 18:24:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 18:24:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-25 18:24:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-25 18:24:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 18:24:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 18:24:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-25 18:24:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-25 18:24:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 18:24:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 18:24:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-11-25 18:24:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-11-25 18:24:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 18:24:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 18:24:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-11-25 18:24:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-11-25 18:24:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-11-25 18:24:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-11-25 18:24:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-25 18:24:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-25 18:24:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-11-25 18:24:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-11-25 18:24:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-11-25 18:24:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-11-25 18:24:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:24:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 18:24:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 18:24:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 18:24:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 18:24:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-25 18:24:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-25 18:24:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-25 18:24:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-25 18:24:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 18:24:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 18:24:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:24:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:24:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:24:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:24:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:24:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:24:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:24:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:24:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:24:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-11-25 18:24:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-11-25 18:24:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-11-25 18:24:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-11-25 18:24:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 18:24:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 18:24:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-25 18:24:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-25 18:24:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:24:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:24:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-11-25 18:24:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-11-25 18:24:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 18:24:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 18:24:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-25 18:24:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-25 18:24:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-25 18:24:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-25 18:24:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 18:24:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 18:24:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 18:24:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 18:24:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-11-25 18:24:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-11-25 18:24:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-11-25 18:24:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-11-25 18:24:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:24:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:24:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 18:24:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 18:24:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:24:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-11-25 18:24:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-11-25 18:24:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:24:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:24:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:24:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:24:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:24:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 18:24:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 18:24:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 18:24:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 18:24:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 18:24:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 18:24:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 18:24:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 18:24:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 18:24:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 18:24:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 18:24:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-11-25 18:24:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-11-25 18:24:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-25 18:24:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-25 18:24:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 18:24:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 18:24:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:24:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:24:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-11-25 18:24:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-11-25 18:24:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 18:24:22,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 18:24:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 18:24:22,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 18:24:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 18:24:22,463 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 18:24:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 18:24:22,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 18:24:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 18:24:22,464 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 18:24:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:24:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 18:24:22,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 18:24:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-11-25 18:24:22,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-11-25 18:24:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:24:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-25 18:24:22,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-25 18:24:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-25 18:24:22,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-25 18:24:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-11-25 18:24:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-11-25 18:24:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:24:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:24:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:24:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 18:24:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 18:24:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-11-25 18:24:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-11-25 18:24:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 18:24:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 18:24:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:24:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:24:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 18:24:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 18:24:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:24:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:24:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 18:24:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 18:24:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-11-25 18:24:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-11-25 18:24:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-11-25 18:24:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-11-25 18:24:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 18:24:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 18:24:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-25 18:24:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-25 18:24:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 18:24:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 18:24:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 18:24:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 18:24:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-11-25 18:24:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-11-25 18:24:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-11-25 18:24:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-11-25 18:24:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 18:24:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 18:24:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-11-25 18:24:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-11-25 18:24:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:24:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-11-25 18:24:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-11-25 18:24:22,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:24:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:24:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-11-25 18:24:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-11-25 18:24:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:24:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:24:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 18:24:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 18:24:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 18:24:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 18:24:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-11-25 18:24:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-11-25 18:24:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-11-25 18:24:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-11-25 18:24:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 18:24:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 18:24:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-11-25 18:24:22,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-11-25 18:24:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-25 18:24:22,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-25 18:24:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-11-25 18:24:22,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-11-25 18:24:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 18:24:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 18:24:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-11-25 18:24:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-11-25 18:24:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-11-25 18:24:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-11-25 18:24:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-11-25 18:24:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-11-25 18:24:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:24:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:24:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 18:24:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 18:24:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 18:24:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 18:24:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-11-25 18:24:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-11-25 18:24:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 18:24:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 18:24:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-25 18:24:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-25 18:24:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 18:24:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 18:24:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 18:24:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 18:24:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 18:24:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 18:24:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:24:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-11-25 18:24:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-11-25 18:24:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-25 18:24:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-25 18:24:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 18:24:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 18:24:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-11-25 18:24:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-11-25 18:24:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-25 18:24:22,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-25 18:24:23,668 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:24:23,675 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:24:23,863 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:38:19,654 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 18:38:19,762 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:38:27,391 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:38:27,391 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-25 18:38:27,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:38:27 BoogieIcfgContainer [2021-11-25 18:38:27,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:38:27,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:38:27,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:38:27,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:38:27,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:24:15" (1/3) ... [2021-11-25 18:38:27,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91c5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:38:27, skipping insertion in model container [2021-11-25 18:38:27,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:21" (2/3) ... [2021-11-25 18:38:27,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91c5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:38:27, skipping insertion in model container [2021-11-25 18:38:27,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:38:27" (3/3) ... [2021-11-25 18:38:27,407 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-25 18:38:27,414 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:38:27,414 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:38:27,487 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:38:27,499 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:38:27,499 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:38:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 2150 states, 1342 states have (on average 1.3204172876304023) internal successors, (1772), 1378 states have internal predecessors, (1772), 665 states have call successors, (665), 142 states have call predecessors, (665), 141 states have return successors, (654), 648 states have call predecessors, (654), 654 states have call successors, (654) [2021-11-25 18:38:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-25 18:38:27,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:38:27,614 INFO L514 BasicCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:38:27,615 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:38:27,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:38:27,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1391708966, now seen corresponding path program 1 times [2021-11-25 18:38:27,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:38:27,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3029519] [2021-11-25 18:38:27,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:38:27,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:38:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:38:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1892 trivial. 0 not checked. [2021-11-25 18:38:30,150 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:38:30,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3029519] [2021-11-25 18:38:30,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3029519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:38:30,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:38:30,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:38:30,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920947448] [2021-11-25 18:38:30,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:38:30,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:38:30,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:38:30,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:38:30,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:38:30,222 INFO L87 Difference]: Start difference. First operand has 2150 states, 1342 states have (on average 1.3204172876304023) internal successors, (1772), 1378 states have internal predecessors, (1772), 665 states have call successors, (665), 142 states have call predecessors, (665), 141 states have return successors, (654), 648 states have call predecessors, (654), 654 states have call successors, (654) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-25 18:38:32,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:35,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:38:38,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []