./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 420f46e1636dc611874a0bbfeb0e9dd74d5fb59c9c42275d858865fbb83330f0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:40:58,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:40:58,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:40:58,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:40:58,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:40:58,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:40:58,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:40:58,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:40:58,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:40:58,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:40:58,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:40:58,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:40:58,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:40:58,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:40:58,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:40:58,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:40:58,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:40:58,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:40:58,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:40:58,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:40:58,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:40:58,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:40:58,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:40:58,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:40:58,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:40:58,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:40:58,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:40:58,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:40:58,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:40:58,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:40:58,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:40:58,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:40:58,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:40:58,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:40:58,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:40:58,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:40:58,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:40:58,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:40:58,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:40:58,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:40:58,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:40:58,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 13:40:58,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:40:58,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:40:58,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:40:58,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:40:58,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:40:58,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:40:58,539 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:40:58,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:40:58,539 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:40:58,539 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:40:58,540 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:40:58,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:40:58,541 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:40:58,541 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:40:58,541 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:40:58,541 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:40:58,542 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:40:58,542 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:40:58,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:40:58,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:40:58,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:40:58,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:40:58,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:40:58,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:40:58,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:40:58,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:40:58,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:40:58,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:40:58,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:40:58,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:40:58,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:40:58,545 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:40:58,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:40:58,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:40:58,546 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:40:58,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:40:58,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:40:58,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:40:58,547 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_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 420f46e1636dc611874a0bbfeb0e9dd74d5fb59c9c42275d858865fbb83330f0 [2022-11-23 13:40:58,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:40:58,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:40:58,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:40:58,870 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:40:58,871 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:40:58,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-11-23 13:41:01,914 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:41:02,782 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:41:02,782 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-11-23 13:41:02,869 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/data/d3ee5ba40/de2af632051d4cff9cec9501be13c700/FLAG98971bb97 [2022-11-23 13:41:02,886 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/data/d3ee5ba40/de2af632051d4cff9cec9501be13c700 [2022-11-23 13:41:02,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:41:02,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:41:02,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:41:02,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:41:02,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:41:02,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:02" (1/1) ... [2022-11-23 13:41:02,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b6698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:02, skipping insertion in model container [2022-11-23 13:41:02,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:02" (1/1) ... [2022-11-23 13:41:02,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:41:03,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:41:10,397 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_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598078,598091] [2022-11-23 13:41:10,401 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_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598223,598236] [2022-11-23 13:41:10,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:41:10,541 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:41:11,438 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_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598078,598091] [2022-11-23 13:41:11,438 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_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598223,598236] [2022-11-23 13:41:11,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:41:11,994 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:41:11,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11 WrapperNode [2022-11-23 13:41:11,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:41:11,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:41:11,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:41:11,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:41:12,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2022-11-23 13:41:12,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2022-11-23 13:41:12,661 INFO L138 Inliner]: procedures = 821, calls = 5804, calls flagged for inlining = 428, calls inlined = 368, statements flattened = 11440 [2022-11-23 13:41:12,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:41:12,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:41:12,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:41:12,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:41:12,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2022-11-23 13:41:12,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2022-11-23 13:41:12,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2022-11-23 13:41:12,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2022-11-23 13:41:13,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2022-11-23 13:41:13,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2022-11-23 13:41:13,275 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2022-11-23 13:41:13,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2022-11-23 13:41:13,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:41:13,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:41:13,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:41:13,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:41:13,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2022-11-23 13:41:13,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:41:13,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:41:13,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:41:13,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d0337-302e-4b0d-96e2-3e5f5dcc62b7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:41:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 13:41:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 13:41:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-11-23 13:41:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-11-23 13:41:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-11-23 13:41:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-11-23 13:41:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-11-23 13:41:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-11-23 13:41:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-11-23 13:41:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-11-23 13:41:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-11-23 13:41:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-11-23 13:41:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 13:41:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 13:41:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-23 13:41:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-23 13:41:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 13:41:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 13:41:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-11-23 13:41:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-11-23 13:41:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-23 13:41:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-23 13:41:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-23 13:41:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-23 13:41:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-11-23 13:41:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-11-23 13:41:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 13:41:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 13:41:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 13:41:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 13:41:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-11-23 13:41:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-11-23 13:41:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 13:41:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 13:41:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 13:41:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 13:41:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-11-23 13:41:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-11-23 13:41:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2022-11-23 13:41:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2022-11-23 13:41:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 13:41:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 13:41:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-11-23 13:41:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-11-23 13:41:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 13:41:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 13:41:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 13:41:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 13:41:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-11-23 13:41:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-11-23 13:41:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:41:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-11-23 13:41:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-11-23 13:41:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2022-11-23 13:41:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2022-11-23 13:41:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-23 13:41:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-23 13:41:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 13:41:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 13:41:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-23 13:41:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-23 13:41:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 13:41:13,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 13:41:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 13:41:13,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 13:41:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 13:41:13,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 13:41:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-23 13:41:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-23 13:41:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-23 13:41:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-23 13:41:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 13:41:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 13:41:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 13:41:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 13:41:13,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 13:41:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-11-23 13:41:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-11-23 13:41:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-23 13:41:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-23 13:41:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-23 13:41:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-23 13:41:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 13:41:13,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 13:41:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-23 13:41:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-23 13:41:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-23 13:41:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-23 13:41:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 13:41:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 13:41:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:41:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-11-23 13:41:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-11-23 13:41:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-11-23 13:41:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-11-23 13:41:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-11-23 13:41:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-11-23 13:41:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 13:41:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 13:41:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 13:41:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 13:41:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 13:41:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 13:41:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-11-23 13:41:13,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-11-23 13:41:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 13:41:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 13:41:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-11-23 13:41:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-11-23 13:41:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-11-23 13:41:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-11-23 13:41:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-23 13:41:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-23 13:41:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 13:41:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 13:41:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-11-23 13:41:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-11-23 13:41:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 13:41:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 13:41:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-11-23 13:41:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-11-23 13:41:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 13:41:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 13:41:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-11-23 13:41:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-11-23 13:41:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:41:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:41:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-11-23 13:41:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-11-23 13:41:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 13:41:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 13:41:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-11-23 13:41:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-11-23 13:41:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 13:41:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 13:41:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 13:41:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 13:41:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 13:41:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-23 13:41:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-23 13:41:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-23 13:41:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-23 13:41:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 13:41:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 13:41:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-11-23 13:41:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-11-23 13:41:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 13:41:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-11-23 13:41:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-11-23 13:41:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 13:41:13,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 13:41:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-11-23 13:41:13,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-11-23 13:41:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-11-23 13:41:13,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-11-23 13:41:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 13:41:13,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 13:41:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-23 13:41:13,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-23 13:41:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 13:41:13,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 13:41:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-11-23 13:41:13,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-11-23 13:41:13,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 13:41:13,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 13:41:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 13:41:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 13:41:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 13:41:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 13:41:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-11-23 13:41:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-11-23 13:41:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-23 13:41:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-23 13:41:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2022-11-23 13:41:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2022-11-23 13:41:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-11-23 13:41:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-11-23 13:41:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-11-23 13:41:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-11-23 13:41:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-11-23 13:41:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-11-23 13:41:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:41:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 13:41:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 13:41:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 13:41:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-11-23 13:41:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-11-23 13:41:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 13:41:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 13:41:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-11-23 13:41:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-11-23 13:41:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 13:41:13,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 13:41:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-23 13:41:13,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-23 13:41:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 13:41:13,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 13:41:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_103 [2022-11-23 13:41:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_103 [2022-11-23 13:41:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-11-23 13:41:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-11-23 13:41:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-23 13:41:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-23 13:41:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-11-23 13:41:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-11-23 13:41:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 13:41:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 13:41:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-11-23 13:41:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-11-23 13:41:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2022-11-23 13:41:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2022-11-23 13:41:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 13:41:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 13:41:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:41:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-11-23 13:41:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-11-23 13:41:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 13:41:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 13:41:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-23 13:41:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-23 13:41:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-23 13:41:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-23 13:41:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-23 13:41:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-23 13:41:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 13:41:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 13:41:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-23 13:41:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-23 13:41:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-23 13:41:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-23 13:41:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-11-23 13:41:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-11-23 13:41:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-11-23 13:41:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-11-23 13:41:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 13:41:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 13:41:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 13:41:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 13:41:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-23 13:41:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-23 13:41:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-11-23 13:41:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-11-23 13:41:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 13:41:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 13:41:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 13:41:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 13:41:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-11-23 13:41:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-11-23 13:41:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-11-23 13:41:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-11-23 13:41:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-11-23 13:41:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-11-23 13:41:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-23 13:41:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-23 13:41:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-23 13:41:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-23 13:41:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 13:41:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 13:41:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-11-23 13:41:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-11-23 13:41:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 13:41:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 13:41:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2022-11-23 13:41:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2022-11-23 13:41:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 13:41:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 13:41:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 13:41:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 13:41:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-11-23 13:41:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-11-23 13:41:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:41:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-23 13:41:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-23 13:41:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-11-23 13:41:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-11-23 13:41:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 13:41:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 13:41:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-23 13:41:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-23 13:41:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 13:41:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 13:41:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-11-23 13:41:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-11-23 13:41:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 13:41:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-23 13:41:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-23 13:41:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 13:41:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 13:41:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 13:41:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-23 13:41:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-23 13:41:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 13:41:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 13:41:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 13:41:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 13:41:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 13:41:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 13:41:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-11-23 13:41:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-11-23 13:41:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 13:41:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 13:41:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-11-23 13:41:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-11-23 13:41:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-11-23 13:41:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-11-23 13:41:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 13:41:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 13:41:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-11-23 13:41:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-11-23 13:41:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 13:41:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 13:41:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-23 13:41:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-23 13:41:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-23 13:41:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-23 13:41:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-11-23 13:41:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-11-23 13:41:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-11-23 13:41:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-11-23 13:41:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 13:41:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 13:41:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-11-23 13:41:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-11-23 13:41:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-23 13:41:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-23 13:41:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-23 13:41:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-23 13:41:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-11-23 13:41:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-11-23 13:41:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 13:41:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 13:41:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 13:41:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-11-23 13:41:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-11-23 13:41:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2022-11-23 13:41:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2022-11-23 13:41:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 13:41:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 13:41:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-11-23 13:41:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-11-23 13:41:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-11-23 13:41:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-11-23 13:41:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-23 13:41:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-23 13:41:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-11-23 13:41:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-11-23 13:41:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-23 13:41:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-23 13:41:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 13:41:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 13:41:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-11-23 13:41:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-11-23 13:41:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-11-23 13:41:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-11-23 13:41:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-23 13:41:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-23 13:41:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-11-23 13:41:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-11-23 13:41:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-11-23 13:41:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-11-23 13:41:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-11-23 13:41:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-11-23 13:41:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-23 13:41:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-23 13:41:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-23 13:41:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-23 13:41:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 13:41:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 13:41:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 13:41:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 13:41:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 13:41:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2022-11-23 13:41:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2022-11-23 13:41:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 13:41:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 13:41:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-23 13:41:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-23 13:41:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 13:41:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 13:41:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 13:41:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 13:41:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-23 13:41:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-23 13:41:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 13:41:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 13:41:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2022-11-23 13:41:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2022-11-23 13:41:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-11-23 13:41:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-11-23 13:41:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 13:41:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 13:41:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-11-23 13:41:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-11-23 13:41:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-11-23 13:41:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-11-23 13:41:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-11-23 13:41:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-11-23 13:41:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 13:41:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 13:41:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-23 13:41:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-23 13:41:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-11-23 13:41:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-11-23 13:41:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-23 13:41:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-23 13:41:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-11-23 13:41:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-11-23 13:41:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 13:41:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 13:41:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-23 13:41:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-23 13:41:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 13:41:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 13:41:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-11-23 13:41:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-11-23 13:41:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 13:41:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 13:41:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-11-23 13:41:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-11-23 13:41:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_104 [2022-11-23 13:41:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_104 [2022-11-23 13:41:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-11-23 13:41:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-11-23 13:41:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-23 13:41:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-23 13:41:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-11-23 13:41:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-11-23 13:41:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 13:41:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 13:41:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-23 13:41:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-23 13:41:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-11-23 13:41:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-11-23 13:41:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-11-23 13:41:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-11-23 13:41:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-23 13:41:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-23 13:41:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 13:41:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 13:41:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-11-23 13:41:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-11-23 13:41:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:41:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-11-23 13:41:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-11-23 13:41:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 13:41:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 13:41:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-23 13:41:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-23 13:41:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2022-11-23 13:41:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2022-11-23 13:41:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-23 13:41:15,158 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:41:15,163 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:41:15,337 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 13:41:29,098 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 13:41:29,409 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:41:32,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:41:32,377 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-23 13:41:32,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:32 BoogieIcfgContainer [2022-11-23 13:41:32,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:41:32,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:41:32,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:41:32,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:41:32,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:41:02" (1/3) ... [2022-11-23 13:41:32,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2344ed2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:41:32, skipping insertion in model container [2022-11-23 13:41:32,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (2/3) ... [2022-11-23 13:41:32,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2344ed2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:41:32, skipping insertion in model container [2022-11-23 13:41:32,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:32" (3/3) ... [2022-11-23 13:41:32,396 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-11-23 13:41:32,417 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:41:32,417 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 13:41:32,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:41:32,547 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;@14520170, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:41:32,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 13:41:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 3402 states, 1938 states have (on average 1.3106295149638802) internal successors, (2540), 2018 states have internal predecessors, (2540), 1249 states have call successors, (1249), 216 states have call predecessors, (1249), 215 states have return successors, (1239), 1214 states have call predecessors, (1239), 1239 states have call successors, (1239) [2022-11-23 13:41:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-11-23 13:41:32,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:32,625 INFO L195 NwaCegarLoop]: trace histogram [33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:41:32,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:32,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:32,632 INFO L85 PathProgramCache]: Analyzing trace with hash -383796471, now seen corresponding path program 1 times [2022-11-23 13:41:32,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:32,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33244504] [2022-11-23 13:41:32,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:32,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4032 trivial. 0 not checked. [2022-11-23 13:41:34,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:34,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33244504] [2022-11-23 13:41:34,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33244504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:34,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:34,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:41:34,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986434296] [2022-11-23 13:41:34,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:34,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:41:34,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:34,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:41:34,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:34,754 INFO L87 Difference]: Start difference. First operand has 3402 states, 1938 states have (on average 1.3106295149638802) internal successors, (2540), 2018 states have internal predecessors, (2540), 1249 states have call successors, (1249), 216 states have call predecessors, (1249), 215 states have return successors, (1239), 1214 states have call predecessors, (1239), 1239 states have call successors, (1239) Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-23 13:41:39,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:39,179 INFO L93 Difference]: Finished difference Result 9753 states and 14476 transitions. [2022-11-23 13:41:39,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:41:39,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 378 [2022-11-23 13:41:39,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:39,265 INFO L225 Difference]: With dead ends: 9753 [2022-11-23 13:41:39,265 INFO L226 Difference]: Without dead ends: 6343 [2022-11-23 13:41:39,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:39,299 INFO L413 NwaCegarLoop]: 5512 mSDtfsCounter, 4460 mSDsluCounter, 4369 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4460 SdHoareTripleChecker+Valid, 9881 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:39,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4460 Valid, 9881 Invalid, 1253 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-23 13:41:39,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6343 states. [2022-11-23 13:41:39,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6343 to 6340. [2022-11-23 13:41:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6340 states, 3638 states have (on average 1.3051126992853217) internal successors, (4748), 3788 states have internal predecessors, (4748), 2285 states have call successors, (2285), 416 states have call predecessors, (2285), 416 states have return successors, (2285), 2235 states have call predecessors, (2285), 2285 states have call successors, (2285) [2022-11-23 13:41:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6340 states to 6340 states and 9318 transitions. [2022-11-23 13:41:39,862 INFO L78 Accepts]: Start accepts. Automaton has 6340 states and 9318 transitions. Word has length 378 [2022-11-23 13:41:39,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:39,868 INFO L495 AbstractCegarLoop]: Abstraction has 6340 states and 9318 transitions. [2022-11-23 13:41:39,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-23 13:41:39,869 INFO L276 IsEmpty]: Start isEmpty. Operand 6340 states and 9318 transitions. [2022-11-23 13:41:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-11-23 13:41:39,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:39,891 INFO L195 NwaCegarLoop]: trace histogram [33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:41:39,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:41:39,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:39,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:39,893 INFO L85 PathProgramCache]: Analyzing trace with hash -775895623, now seen corresponding path program 1 times [2022-11-23 13:41:39,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:39,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444401942] [2022-11-23 13:41:39,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:39,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4032 trivial. 0 not checked. [2022-11-23 13:41:41,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:41,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444401942] [2022-11-23 13:41:41,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444401942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:41,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:41,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:41:41,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201842366] [2022-11-23 13:41:41,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:41,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:41:41,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:41,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:41:41,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:41,126 INFO L87 Difference]: Start difference. First operand 6340 states and 9318 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-23 13:41:45,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:45,745 INFO L93 Difference]: Finished difference Result 18547 states and 27254 transitions. [2022-11-23 13:41:45,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:41:45,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 379 [2022-11-23 13:41:45,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:45,855 INFO L225 Difference]: With dead ends: 18547 [2022-11-23 13:41:45,855 INFO L226 Difference]: Without dead ends: 12272 [2022-11-23 13:41:45,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:45,903 INFO L413 NwaCegarLoop]: 6372 mSDtfsCounter, 4585 mSDsluCounter, 4283 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4585 SdHoareTripleChecker+Valid, 10655 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:45,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4585 Valid, 10655 Invalid, 1405 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-23 13:41:45,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12272 states. [2022-11-23 13:41:46,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12272 to 12266. [2022-11-23 13:41:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12266 states, 7027 states have (on average 1.299558844457094) internal successors, (9132), 7319 states have internal predecessors, (9132), 4420 states have call successors, (4420), 818 states have call predecessors, (4420), 818 states have return successors, (4420), 4324 states have call predecessors, (4420), 4420 states have call successors, (4420) [2022-11-23 13:41:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12266 states to 12266 states and 17972 transitions. [2022-11-23 13:41:46,839 INFO L78 Accepts]: Start accepts. Automaton has 12266 states and 17972 transitions. Word has length 379 [2022-11-23 13:41:46,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:46,844 INFO L495 AbstractCegarLoop]: Abstraction has 12266 states and 17972 transitions. [2022-11-23 13:41:46,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-23 13:41:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 12266 states and 17972 transitions. [2022-11-23 13:41:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-11-23 13:41:46,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:46,865 INFO L195 NwaCegarLoop]: trace histogram [33, 32, 32, 32, 32, 32, 32, 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] [2022-11-23 13:41:46,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:41:46,866 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:46,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:46,876 INFO L85 PathProgramCache]: Analyzing trace with hash 501006712, now seen corresponding path program 1 times [2022-11-23 13:41:46,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:46,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475757375] [2022-11-23 13:41:46,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:46,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4035 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4035 trivial. 0 not checked. [2022-11-23 13:41:47,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:47,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475757375] [2022-11-23 13:41:47,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475757375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:47,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:47,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:41:47,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347742843] [2022-11-23 13:41:47,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:47,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:41:47,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:47,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:41:47,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:47,529 INFO L87 Difference]: Start difference. First operand 12266 states and 17972 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-23 13:41:52,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:52,158 INFO L93 Difference]: Finished difference Result 36164 states and 52942 transitions. [2022-11-23 13:41:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:41:52,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 403 [2022-11-23 13:41:52,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:52,326 INFO L225 Difference]: With dead ends: 36164 [2022-11-23 13:41:52,326 INFO L226 Difference]: Without dead ends: 23963 [2022-11-23 13:41:52,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:52,400 INFO L413 NwaCegarLoop]: 6564 mSDtfsCounter, 4732 mSDsluCounter, 4314 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4732 SdHoareTripleChecker+Valid, 10878 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:52,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4732 Valid, 10878 Invalid, 1386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-23 13:41:52,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23963 states. [2022-11-23 13:41:53,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23963 to 23953. [2022-11-23 13:41:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23953 states, 13767 states have (on average 1.2984673494588508) internal successors, (17876), 14340 states have internal predecessors, (17876), 8571 states have call successors, (8571), 1614 states have call predecessors, (8571), 1614 states have return successors, (8571), 8379 states have call predecessors, (8571), 8571 states have call successors, (8571) [2022-11-23 13:41:54,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23953 states to 23953 states and 35018 transitions. [2022-11-23 13:41:54,315 INFO L78 Accepts]: Start accepts. Automaton has 23953 states and 35018 transitions. Word has length 403 [2022-11-23 13:41:54,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:54,317 INFO L495 AbstractCegarLoop]: Abstraction has 23953 states and 35018 transitions. [2022-11-23 13:41:54,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-23 13:41:54,317 INFO L276 IsEmpty]: Start isEmpty. Operand 23953 states and 35018 transitions. [2022-11-23 13:41:54,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-11-23 13:41:54,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:54,360 INFO L195 NwaCegarLoop]: trace histogram [34, 32, 32, 32, 32, 32, 32, 3, 3, 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] [2022-11-23 13:41:54,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:41:54,361 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:54,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:54,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1810412056, now seen corresponding path program 1 times [2022-11-23 13:41:54,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:54,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446792236] [2022-11-23 13:41:54,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:54,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4110 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4107 trivial. 0 not checked. [2022-11-23 13:41:55,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:55,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446792236] [2022-11-23 13:41:55,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446792236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:55,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:55,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:41:55,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20575867] [2022-11-23 13:41:55,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:55,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:41:55,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:55,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:41:55,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:55,305 INFO L87 Difference]: Start difference. First operand 23953 states and 35018 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-23 13:41:59,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:59,940 INFO L93 Difference]: Finished difference Result 50402 states and 73539 transitions. [2022-11-23 13:41:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:41:59,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 420 [2022-11-23 13:41:59,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:42:00,313 INFO L225 Difference]: With dead ends: 50402 [2022-11-23 13:42:00,314 INFO L226 Difference]: Without dead ends: 26514 [2022-11-23 13:42:00,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:42:00,405 INFO L413 NwaCegarLoop]: 5687 mSDtfsCounter, 3446 mSDsluCounter, 4283 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3446 SdHoareTripleChecker+Valid, 9970 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:42:00,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3446 Valid, 9970 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-23 13:42:00,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26514 states. [2022-11-23 13:42:02,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26514 to 26512. [2022-11-23 13:42:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26512 states, 15266 states have (on average 1.2957552731560331) internal successors, (19781), 15887 states have internal predecessors, (19781), 9415 states have call successors, (9415), 1830 states have call predecessors, (9415), 1830 states have return successors, (9415), 9207 states have call predecessors, (9415), 9415 states have call successors, (9415) [2022-11-23 13:42:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26512 states to 26512 states and 38611 transitions. [2022-11-23 13:42:02,371 INFO L78 Accepts]: Start accepts. Automaton has 26512 states and 38611 transitions. Word has length 420 [2022-11-23 13:42:02,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:42:02,373 INFO L495 AbstractCegarLoop]: Abstraction has 26512 states and 38611 transitions. [2022-11-23 13:42:02,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-23 13:42:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 26512 states and 38611 transitions. [2022-11-23 13:42:02,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2022-11-23 13:42:02,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:42:02,410 INFO L195 NwaCegarLoop]: trace histogram [33, 32, 32, 32, 32, 32, 32, 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] [2022-11-23 13:42:02,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:42:02,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:42:02,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:42:02,411 INFO L85 PathProgramCache]: Analyzing trace with hash 898676869, now seen corresponding path program 1 times [2022-11-23 13:42:02,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:42:02,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711998324] [2022-11-23 13:42:02,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:42:02,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:42:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:42:03,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4040 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4040 trivial. 0 not checked. [2022-11-23 13:42:03,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:42:03,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711998324] [2022-11-23 13:42:03,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711998324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:42:03,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:42:03,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:42:03,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842513333] [2022-11-23 13:42:03,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:42:03,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:42:03,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:42:03,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:42:03,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:42:03,391 INFO L87 Difference]: Start difference. First operand 26512 states and 38611 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-23 13:42:08,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:42:08,768 INFO L93 Difference]: Finished difference Result 67854 states and 98319 transitions. [2022-11-23 13:42:08,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:42:08,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 434 [2022-11-23 13:42:08,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:42:09,174 INFO L225 Difference]: With dead ends: 67854 [2022-11-23 13:42:09,174 INFO L226 Difference]: Without dead ends: 41407 [2022-11-23 13:42:09,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:42:09,270 INFO L413 NwaCegarLoop]: 5320 mSDtfsCounter, 3673 mSDsluCounter, 4278 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3673 SdHoareTripleChecker+Valid, 9598 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-23 13:42:09,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3673 Valid, 9598 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1244 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-23 13:42:09,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41407 states. [2022-11-23 13:42:11,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41407 to 41395. [2022-11-23 13:42:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41395 states, 23515 states have (on average 1.278630661280034) internal successors, (30067), 24498 states have internal predecessors, (30067), 14831 states have call successors, (14831), 3054 states have call predecessors, (14831), 3048 states have return successors, (14851), 14488 states have call predecessors, (14851), 14831 states have call successors, (14851) [2022-11-23 13:42:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41395 states to 41395 states and 59749 transitions. [2022-11-23 13:42:12,168 INFO L78 Accepts]: Start accepts. Automaton has 41395 states and 59749 transitions. Word has length 434 [2022-11-23 13:42:12,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:42:12,170 INFO L495 AbstractCegarLoop]: Abstraction has 41395 states and 59749 transitions. [2022-11-23 13:42:12,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-23 13:42:12,170 INFO L276 IsEmpty]: Start isEmpty. Operand 41395 states and 59749 transitions. [2022-11-23 13:42:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-11-23 13:42:12,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:42:12,191 INFO L195 NwaCegarLoop]: trace histogram [37, 33, 33, 33, 33, 33, 33, 4, 4, 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] [2022-11-23 13:42:12,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 13:42:12,191 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:42:12,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:42:12,192 INFO L85 PathProgramCache]: Analyzing trace with hash 367656132, now seen corresponding path program 1 times [2022-11-23 13:42:12,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:42:12,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712144849] [2022-11-23 13:42:12,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:42:12,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:42:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:42:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4521 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4518 trivial. 0 not checked. [2022-11-23 13:42:13,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:42:13,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712144849] [2022-11-23 13:42:13,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712144849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:42:13,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:42:13,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:42:13,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804933004] [2022-11-23 13:42:13,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:42:13,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:42:13,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:42:13,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:42:13,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:42:13,318 INFO L87 Difference]: Start difference. First operand 41395 states and 59749 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-23 13:42:19,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:42:19,559 INFO L93 Difference]: Finished difference Result 100643 states and 145303 transitions. [2022-11-23 13:42:19,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:42:19,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 439 [2022-11-23 13:42:19,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:42:19,882 INFO L225 Difference]: With dead ends: 100643 [2022-11-23 13:42:19,882 INFO L226 Difference]: Without dead ends: 59653 [2022-11-23 13:42:20,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:42:20,040 INFO L413 NwaCegarLoop]: 6528 mSDtfsCounter, 4379 mSDsluCounter, 4297 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4379 SdHoareTripleChecker+Valid, 10825 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-23 13:42:20,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4379 Valid, 10825 Invalid, 1492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-23 13:42:20,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59653 states. [2022-11-23 13:42:23,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59653 to 59643. [2022-11-23 13:42:23,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59643 states, 33917 states have (on average 1.277677860659846) internal successors, (43335), 35321 states have internal predecessors, (43335), 21310 states have call successors, (21310), 4423 states have call predecessors, (21310), 4415 states have return successors, (21334), 20812 states have call predecessors, (21334), 21310 states have call successors, (21334) [2022-11-23 13:42:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59643 states to 59643 states and 85979 transitions. [2022-11-23 13:42:23,774 INFO L78 Accepts]: Start accepts. Automaton has 59643 states and 85979 transitions. Word has length 439 [2022-11-23 13:42:23,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:42:23,775 INFO L495 AbstractCegarLoop]: Abstraction has 59643 states and 85979 transitions. [2022-11-23 13:42:23,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-23 13:42:23,775 INFO L276 IsEmpty]: Start isEmpty. Operand 59643 states and 85979 transitions. [2022-11-23 13:42:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-11-23 13:42:23,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:42:23,804 INFO L195 NwaCegarLoop]: trace histogram [38, 33, 33, 33, 33, 33, 33, 6, 6, 3, 3, 3, 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] [2022-11-23 13:42:23,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 13:42:23,804 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:42:23,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:42:23,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1723309913, now seen corresponding path program 1 times [2022-11-23 13:42:23,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:42:23,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898095334] [2022-11-23 13:42:23,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:42:23,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:42:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:42:24,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4635 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4628 trivial. 0 not checked. [2022-11-23 13:42:24,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:42:24,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898095334] [2022-11-23 13:42:24,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898095334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:42:24,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:42:24,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:42:24,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045389920] [2022-11-23 13:42:24,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:42:24,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:42:24,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:42:24,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:42:24,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:42:24,443 INFO L87 Difference]: Start difference. First operand 59643 states and 85979 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-23 13:42:32,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:42:32,634 INFO L93 Difference]: Finished difference Result 146311 states and 210991 transitions. [2022-11-23 13:42:32,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:42:32,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 476 [2022-11-23 13:42:32,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:42:33,193 INFO L225 Difference]: With dead ends: 146311 [2022-11-23 13:42:33,193 INFO L226 Difference]: Without dead ends: 87073 [2022-11-23 13:42:33,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:42:33,388 INFO L413 NwaCegarLoop]: 8505 mSDtfsCounter, 4732 mSDsluCounter, 4312 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4732 SdHoareTripleChecker+Valid, 12817 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:42:33,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4732 Valid, 12817 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-23 13:42:33,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87073 states. [2022-11-23 13:42:37,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87073 to 87047. [2022-11-23 13:42:37,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87047 states, 49589 states have (on average 1.2780455342918793) internal successors, (63377), 51643 states have internal predecessors, (63377), 31010 states have call successors, (31010), 6459 states have call predecessors, (31010), 6447 states have return successors, (31046), 30274 states have call predecessors, (31046), 31010 states have call successors, (31046) [2022-11-23 13:42:38,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87047 states to 87047 states and 125433 transitions. [2022-11-23 13:42:38,141 INFO L78 Accepts]: Start accepts. Automaton has 87047 states and 125433 transitions. Word has length 476 [2022-11-23 13:42:38,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:42:38,142 INFO L495 AbstractCegarLoop]: Abstraction has 87047 states and 125433 transitions. [2022-11-23 13:42:38,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-23 13:42:38,143 INFO L276 IsEmpty]: Start isEmpty. Operand 87047 states and 125433 transitions. [2022-11-23 13:42:38,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2022-11-23 13:42:38,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:42:38,179 INFO L195 NwaCegarLoop]: trace histogram [39, 33, 33, 33, 33, 33, 33, 8, 8, 3, 3, 3, 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] [2022-11-23 13:42:38,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 13:42:38,179 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:42:38,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:42:38,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1150256458, now seen corresponding path program 1 times [2022-11-23 13:42:38,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:42:38,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269858957] [2022-11-23 13:42:38,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:42:38,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:42:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:42:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4762 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4746 trivial. 0 not checked. [2022-11-23 13:42:39,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:42:39,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269858957] [2022-11-23 13:42:39,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269858957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:42:39,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:42:39,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:42:39,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356679267] [2022-11-23 13:42:39,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:42:39,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:42:39,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:42:39,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:42:39,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:42:39,817 INFO L87 Difference]: Start difference. First operand 87047 states and 125433 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55)