./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:26:00,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:26:00,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:26:00,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:26:00,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:26:00,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:26:00,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:26:00,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:26:00,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:26:00,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:26:00,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:26:00,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:26:00,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:26:00,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:26:00,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:26:00,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:26:00,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:26:00,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:26:00,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:26:00,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:26:00,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:26:00,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:26:00,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:26:00,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:26:00,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:26:00,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:26:00,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:26:00,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:26:00,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:26:00,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:26:00,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:26:00,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:26:00,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:26:00,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:26:00,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:26:00,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:26:00,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:26:00,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:26:00,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:26:00,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:26:00,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:26:00,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:26:00,928 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:26:00,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:26:00,929 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:26:00,929 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:26:00,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:26:00,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:26:00,930 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:26:00,931 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:26:00,931 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:26:00,931 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:26:00,931 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:26:00,932 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:26:00,932 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:26:00,932 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:26:00,932 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:26:00,932 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:26:00,933 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:26:00,933 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:26:00,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:26:00,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:26:00,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:26:00,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:26:00,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:26:00,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:26:00,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:26:00,935 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:26:00,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:26:00,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:26:00,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:26:00,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:26:00,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:26:00,936 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:26:00,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:26:00,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:26:00,937 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:26:00,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:26:00,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:26:00,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:26:00,938 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_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2022-11-22 01:26:01,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:26:01,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:26:01,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:26:01,187 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:26:01,188 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:26:01,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-22 01:26:04,453 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:26:05,267 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:26:05,269 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-22 01:26:05,356 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/data/0d2c23cf1/ecc06bb48bff44eab6d1ceba439fd8c2/FLAG3d10b79c9 [2022-11-22 01:26:05,376 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/data/0d2c23cf1/ecc06bb48bff44eab6d1ceba439fd8c2 [2022-11-22 01:26:05,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:26:05,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:26:05,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:26:05,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:26:05,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:26:05,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:26:05" (1/1) ... [2022-11-22 01:26:05,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7e4599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:05, skipping insertion in model container [2022-11-22 01:26:05,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:26:05" (1/1) ... [2022-11-22 01:26:05,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:26:05,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:26:10,259 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_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-11-22 01:26:10,266 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_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-11-22 01:26:10,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:26:10,411 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:26:10,913 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_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-11-22 01:26:10,914 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_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-11-22 01:26:10,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:26:11,270 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:26:11,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11 WrapperNode [2022-11-22 01:26:11,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:26:11,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:26:11,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:26:11,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:26:11,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (1/1) ... [2022-11-22 01:26:11,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (1/1) ... [2022-11-22 01:26:11,759 INFO L138 Inliner]: procedures = 667, calls = 4451, calls flagged for inlining = 327, calls inlined = 292, statements flattened = 8497 [2022-11-22 01:26:11,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:26:11,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:26:11,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:26:11,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:26:11,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (1/1) ... [2022-11-22 01:26:11,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (1/1) ... [2022-11-22 01:26:11,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (1/1) ... [2022-11-22 01:26:11,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (1/1) ... [2022-11-22 01:26:12,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (1/1) ... [2022-11-22 01:26:12,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (1/1) ... [2022-11-22 01:26:12,184 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (1/1) ... [2022-11-22 01:26:12,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (1/1) ... [2022-11-22 01:26:12,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:26:12,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:26:12,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:26:12,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:26:12,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (1/1) ... [2022-11-22 01:26:12,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:26:12,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:12,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:26:12,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b4bec5-dc27-4b82-b8b7-6df40bf0344d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:26:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-22 01:26:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-22 01:26:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:26:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:26:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-22 01:26:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-22 01:26:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:26:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:26:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-11-22 01:26:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-11-22 01:26:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-11-22 01:26:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-11-22 01:26:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-22 01:26:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-22 01:26:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-11-22 01:26:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-11-22 01:26:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-11-22 01:26:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-11-22 01:26:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 01:26:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 01:26:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-11-22 01:26:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-11-22 01:26:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 01:26:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 01:26:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:26:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:26:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-11-22 01:26:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-11-22 01:26:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-11-22 01:26:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-11-22 01:26:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-11-22 01:26:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-11-22 01:26:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:26:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:26:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-11-22 01:26:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-11-22 01:26:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-11-22 01:26:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-11-22 01:26:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 01:26:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 01:26:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:26:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:26:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 01:26:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 01:26:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 01:26:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 01:26:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-11-22 01:26:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-11-22 01:26:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-11-22 01:26:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-11-22 01:26:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:26:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:26:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-11-22 01:26:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-11-22 01:26:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 01:26:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 01:26:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:26:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 01:26:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 01:26:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-11-22 01:26:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-11-22 01:26:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-22 01:26:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-22 01:26:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 01:26:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 01:26:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-11-22 01:26:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-11-22 01:26:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-22 01:26:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-11-22 01:26:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-11-22 01:26:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:26:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:26:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:26:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:26:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-11-22 01:26:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-11-22 01:26:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:26:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-11-22 01:26:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-11-22 01:26:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-11-22 01:26:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-11-22 01:26:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:26:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:26:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-11-22 01:26:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-11-22 01:26:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:26:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:26:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:26:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-11-22 01:26:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-11-22 01:26:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:26:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:26:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:26:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 01:26:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 01:26:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 01:26:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 01:26:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:26:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:26:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 01:26:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 01:26:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-11-22 01:26:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-11-22 01:26:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-11-22 01:26:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-11-22 01:26:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:26:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:26:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:26:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:26:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 01:26:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 01:26:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-11-22 01:26:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-11-22 01:26:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-11-22 01:26:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-11-22 01:26:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:26:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:26:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:26:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 01:26:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 01:26:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-22 01:26:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-22 01:26:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 01:26:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 01:26:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-22 01:26:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-22 01:26:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-11-22 01:26:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-11-22 01:26:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-22 01:26:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-22 01:26:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-11-22 01:26:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-11-22 01:26:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:26:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 01:26:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 01:26:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:26:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:26:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 01:26:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 01:26:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:26:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:26:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-11-22 01:26:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-11-22 01:26:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-11-22 01:26:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-11-22 01:26:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-11-22 01:26:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-11-22 01:26:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:26:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:26:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:26:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:26:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:26:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:26:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 01:26:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 01:26:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-11-22 01:26:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-11-22 01:26:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-11-22 01:26:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-11-22 01:26:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-11-22 01:26:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-11-22 01:26:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-11-22 01:26:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-11-22 01:26:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-11-22 01:26:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-11-22 01:26:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 01:26:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 01:26:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 01:26:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 01:26:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 01:26:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 01:26:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:26:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:26:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-11-22 01:26:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-11-22 01:26:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 01:26:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 01:26:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-22 01:26:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-22 01:26:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-11-22 01:26:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-11-22 01:26:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:26:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:26:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-11-22 01:26:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-11-22 01:26:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:26:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:26:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-22 01:26:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-22 01:26:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-22 01:26:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-22 01:26:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:26:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:26:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:26:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:26:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-22 01:26:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-22 01:26:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:26:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:26:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-22 01:26:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-22 01:26:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:26:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:26:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 01:26:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-11-22 01:26:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-11-22 01:26:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-22 01:26:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-22 01:26:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 01:26:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 01:26:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-11-22 01:26:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-11-22 01:26:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 01:26:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 01:26:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-22 01:26:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-22 01:26:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-11-22 01:26:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-11-22 01:26:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:26:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:26:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-11-22 01:26:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-11-22 01:26:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-11-22 01:26:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-11-22 01:26:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-22 01:26:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-22 01:26:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 01:26:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 01:26:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 01:26:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 01:26:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-22 01:26:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-22 01:26:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-22 01:26:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-22 01:26:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 01:26:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 01:26:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:26:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 01:26:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 01:26:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-11-22 01:26:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-11-22 01:26:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-11-22 01:26:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-11-22 01:26:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 01:26:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 01:26:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-11-22 01:26:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-11-22 01:26:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 01:26:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 01:26:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:26:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-11-22 01:26:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-11-22 01:26:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2022-11-22 01:26:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2022-11-22 01:26:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:26:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-11-22 01:26:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-11-22 01:26:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:26:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:26:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 01:26:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 01:26:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-11-22 01:26:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-11-22 01:26:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 01:26:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 01:26:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-22 01:26:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-22 01:26:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 01:26:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 01:26:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-22 01:26:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-22 01:26:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:26:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:26:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 01:26:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 01:26:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-11-22 01:26:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-11-22 01:26:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:26:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:26:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-22 01:26:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-22 01:26:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-11-22 01:26:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-11-22 01:26:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 01:26:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 01:26:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:26:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:26:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-11-22 01:26:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-11-22 01:26:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:26:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:26:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-11-22 01:26:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-11-22 01:26:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:26:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:26:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-11-22 01:26:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-11-22 01:26:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:26:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:26:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:26:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-11-22 01:26:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-11-22 01:26:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-11-22 01:26:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-11-22 01:26:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 01:26:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 01:26:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-11-22 01:26:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-11-22 01:26:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-11-22 01:26:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-11-22 01:26:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-11-22 01:26:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-11-22 01:26:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 01:26:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 01:26:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-11-22 01:26:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-11-22 01:26:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 01:26:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 01:26:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-22 01:26:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-22 01:26:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-11-22 01:26:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-11-22 01:26:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-11-22 01:26:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-11-22 01:26:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-11-22 01:26:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-11-22 01:26:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-11-22 01:26:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-11-22 01:26:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-11-22 01:26:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-11-22 01:26:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 01:26:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 01:26:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-22 01:26:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-22 01:26:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:26:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:26:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-22 01:26:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-22 01:26:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-22 01:26:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-22 01:26:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-11-22 01:26:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-11-22 01:26:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-11-22 01:26:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-11-22 01:26:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-22 01:26:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-22 01:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:26:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-22 01:26:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-22 01:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 01:26:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 01:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-11-22 01:26:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-11-22 01:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:26:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:26:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-22 01:26:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-22 01:26:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-11-22 01:26:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-11-22 01:26:13,709 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:26:13,718 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:26:13,850 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:26:24,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 01:26:25,065 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:26:27,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:26:27,681 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-22 01:26:27,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:26:27 BoogieIcfgContainer [2022-11-22 01:26:27,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:26:27,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:26:27,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:26:27,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:26:27,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:26:05" (1/3) ... [2022-11-22 01:26:27,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137fb974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:26:27, skipping insertion in model container [2022-11-22 01:26:27,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:11" (2/3) ... [2022-11-22 01:26:27,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137fb974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:26:27, skipping insertion in model container [2022-11-22 01:26:27,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:26:27" (3/3) ... [2022-11-22 01:26:27,701 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-22 01:26:27,721 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:26:27,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:26:27,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:26:27,838 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;@6e0f439, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:26:27,838 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:26:27,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 2398 states, 1354 states have (on average 1.2636632200886262) internal successors, (1711), 1398 states have internal predecessors, (1711), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2022-11-22 01:26:27,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-22 01:26:27,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:27,961 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:27,962 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:26:27,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:27,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1536906622, now seen corresponding path program 1 times [2022-11-22 01:26:27,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:27,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750718487] [2022-11-22 01:26:27,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:27,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:29,315 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-22 01:26:29,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:29,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750718487] [2022-11-22 01:26:29,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750718487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:29,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:29,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:26:29,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616172733] [2022-11-22 01:26:29,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:29,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:26:29,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:29,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:26:29,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:29,361 INFO L87 Difference]: Start difference. First operand has 2398 states, 1354 states have (on average 1.2636632200886262) internal successors, (1711), 1398 states have internal predecessors, (1711), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-22 01:26:36,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:26:36,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:36,412 INFO L93 Difference]: Finished difference Result 6710 states and 9734 transitions. [2022-11-22 01:26:36,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:26:36,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 203 [2022-11-22 01:26:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:36,472 INFO L225 Difference]: With dead ends: 6710 [2022-11-22 01:26:36,473 INFO L226 Difference]: Without dead ends: 4275 [2022-11-22 01:26:36,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:36,671 INFO L413 NwaCegarLoop]: 3690 mSDtfsCounter, 2815 mSDsluCounter, 2937 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 6627 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:36,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2815 Valid, 6627 Invalid, 911 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 891 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-11-22 01:26:36,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2022-11-22 01:26:36,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 4272. [2022-11-22 01:26:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4272 states, 2442 states have (on average 1.2502047502047502) internal successors, (3053), 2511 states have internal predecessors, (3053), 1511 states have call successors, (1511), 318 states have call predecessors, (1511), 318 states have return successors, (1511), 1490 states have call predecessors, (1511), 1511 states have call successors, (1511) [2022-11-22 01:26:37,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 6075 transitions. [2022-11-22 01:26:37,027 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 6075 transitions. Word has length 203 [2022-11-22 01:26:37,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:37,031 INFO L495 AbstractCegarLoop]: Abstraction has 4272 states and 6075 transitions. [2022-11-22 01:26:37,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-22 01:26:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 6075 transitions. [2022-11-22 01:26:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-22 01:26:37,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:37,053 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:37,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:26:37,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:26:37,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:37,054 INFO L85 PathProgramCache]: Analyzing trace with hash -290059413, now seen corresponding path program 1 times [2022-11-22 01:26:37,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:37,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811014623] [2022-11-22 01:26:37,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:37,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:38,940 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-22 01:26:38,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:38,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811014623] [2022-11-22 01:26:38,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811014623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:38,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:38,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:26:38,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983925507] [2022-11-22 01:26:38,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:38,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:26:38,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:38,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:26:38,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:26:38,950 INFO L87 Difference]: Start difference. First operand 4272 states and 6075 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-22 01:26:45,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:26:54,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:26:58,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:58,196 INFO L93 Difference]: Finished difference Result 15728 states and 22278 transitions. [2022-11-22 01:26:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:26:58,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 204 [2022-11-22 01:26:58,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:58,271 INFO L225 Difference]: With dead ends: 15728 [2022-11-22 01:26:58,271 INFO L226 Difference]: Without dead ends: 11489 [2022-11-22 01:26:58,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:26:58,293 INFO L413 NwaCegarLoop]: 5200 mSDtfsCounter, 11640 mSDsluCounter, 5319 mSDsCounter, 0 mSdLazyCounter, 3799 mSolverCounterSat, 6509 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11846 SdHoareTripleChecker+Valid, 10519 SdHoareTripleChecker+Invalid, 10309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6509 IncrementalHoareTripleChecker+Valid, 3799 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:58,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11846 Valid, 10519 Invalid, 10309 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6509 Valid, 3799 Invalid, 1 Unknown, 0 Unchecked, 18.1s Time] [2022-11-22 01:26:58,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11489 states. [2022-11-22 01:26:58,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11489 to 11458. [2022-11-22 01:26:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11458 states, 6482 states have (on average 1.2352668929342796) internal successors, (8007), 6675 states have internal predecessors, (8007), 4075 states have call successors, (4075), 900 states have call predecessors, (4075), 900 states have return successors, (4075), 4014 states have call predecessors, (4075), 4075 states have call successors, (4075) [2022-11-22 01:26:59,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11458 states to 11458 states and 16157 transitions. [2022-11-22 01:26:59,066 INFO L78 Accepts]: Start accepts. Automaton has 11458 states and 16157 transitions. Word has length 204 [2022-11-22 01:26:59,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:59,067 INFO L495 AbstractCegarLoop]: Abstraction has 11458 states and 16157 transitions. [2022-11-22 01:26:59,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-22 01:26:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 11458 states and 16157 transitions. [2022-11-22 01:26:59,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-22 01:26:59,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:59,078 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 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] [2022-11-22 01:26:59,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:26:59,079 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:26:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:59,080 INFO L85 PathProgramCache]: Analyzing trace with hash -831420801, now seen corresponding path program 1 times [2022-11-22 01:26:59,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:59,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996921925] [2022-11-22 01:26:59,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:59,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2022-11-22 01:26:59,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:59,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996921925] [2022-11-22 01:26:59,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996921925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:59,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:59,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:26:59,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652012652] [2022-11-22 01:26:59,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:59,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:26:59,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:59,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:26:59,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:59,630 INFO L87 Difference]: Start difference. First operand 11458 states and 16157 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-22 01:27:03,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:07,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:07,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:27:07,629 INFO L93 Difference]: Finished difference Result 33554 states and 47291 transitions. [2022-11-22 01:27:07,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:27:07,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 228 [2022-11-22 01:27:07,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:27:07,780 INFO L225 Difference]: With dead ends: 33554 [2022-11-22 01:27:07,780 INFO L226 Difference]: Without dead ends: 22129 [2022-11-22 01:27:07,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:27:07,842 INFO L413 NwaCegarLoop]: 4613 mSDtfsCounter, 2960 mSDsluCounter, 2885 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2960 SdHoareTripleChecker+Valid, 7498 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:27:07,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2960 Valid, 7498 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1017 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-11-22 01:27:07,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22129 states. [2022-11-22 01:27:09,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22129 to 22114. [2022-11-22 01:27:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22114 states, 12515 states have (on average 1.2317219336795846) internal successors, (15415), 12901 states have internal predecessors, (15415), 7847 states have call successors, (7847), 1751 states have call predecessors, (7847), 1751 states have return successors, (7847), 7722 states have call predecessors, (7847), 7847 states have call successors, (7847) [2022-11-22 01:27:09,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22114 states to 22114 states and 31109 transitions. [2022-11-22 01:27:09,735 INFO L78 Accepts]: Start accepts. Automaton has 22114 states and 31109 transitions. Word has length 228 [2022-11-22 01:27:09,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:27:09,737 INFO L495 AbstractCegarLoop]: Abstraction has 22114 states and 31109 transitions. [2022-11-22 01:27:09,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-22 01:27:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 22114 states and 31109 transitions. [2022-11-22 01:27:09,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-22 01:27:09,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:27:09,752 INFO L195 NwaCegarLoop]: trace histogram [18, 16, 16, 16, 16, 16, 16, 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] [2022-11-22 01:27:09,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:27:09,753 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:27:09,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:27:09,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1421317709, now seen corresponding path program 1 times [2022-11-22 01:27:09,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:27:09,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693997542] [2022-11-22 01:27:09,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:27:09,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:27:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:27:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2022-11-22 01:27:10,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:27:10,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693997542] [2022-11-22 01:27:10,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693997542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:27:10,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:27:10,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:27:10,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399802216] [2022-11-22 01:27:10,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:27:10,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:27:10,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:27:10,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:27:10,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:27:10,342 INFO L87 Difference]: Start difference. First operand 22114 states and 31109 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-22 01:27:12,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:14,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:17,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:18,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:27:18,089 INFO L93 Difference]: Finished difference Result 45481 states and 63885 transitions. [2022-11-22 01:27:18,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:27:18,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 243 [2022-11-22 01:27:18,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:27:18,203 INFO L225 Difference]: With dead ends: 45481 [2022-11-22 01:27:18,203 INFO L226 Difference]: Without dead ends: 23400 [2022-11-22 01:27:18,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:27:18,286 INFO L413 NwaCegarLoop]: 3627 mSDtfsCounter, 1664 mSDsluCounter, 2880 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 6507 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:27:18,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1664 Valid, 6507 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 880 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-11-22 01:27:18,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23400 states. [2022-11-22 01:27:20,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23400 to 23398. [2022-11-22 01:27:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23398 states, 13253 states have (on average 1.2293065720968837) internal successors, (16292), 13658 states have internal predecessors, (16292), 8264 states have call successors, (8264), 1880 states have call predecessors, (8264), 1880 states have return successors, (8264), 8136 states have call predecessors, (8264), 8264 states have call successors, (8264) [2022-11-22 01:27:20,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23398 states to 23398 states and 32820 transitions. [2022-11-22 01:27:20,335 INFO L78 Accepts]: Start accepts. Automaton has 23398 states and 32820 transitions. Word has length 243 [2022-11-22 01:27:20,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:27:20,336 INFO L495 AbstractCegarLoop]: Abstraction has 23398 states and 32820 transitions. [2022-11-22 01:27:20,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-22 01:27:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 23398 states and 32820 transitions. [2022-11-22 01:27:20,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-22 01:27:20,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:27:20,349 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 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] [2022-11-22 01:27:20,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:27:20,349 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:27:20,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:27:20,350 INFO L85 PathProgramCache]: Analyzing trace with hash -545226055, now seen corresponding path program 1 times [2022-11-22 01:27:20,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:27:20,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939507973] [2022-11-22 01:27:20,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:27:20,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:27:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:27:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2022-11-22 01:27:20,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:27:20,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939507973] [2022-11-22 01:27:20,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939507973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:27:20,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:27:20,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:27:20,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307253358] [2022-11-22 01:27:20,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:27:20,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:27:20,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:27:20,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:27:20,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:27:20,913 INFO L87 Difference]: Start difference. First operand 23398 states and 32820 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 01:27:24,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:26,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:30,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:31,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:27:31,029 INFO L93 Difference]: Finished difference Result 55368 states and 77678 transitions. [2022-11-22 01:27:31,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:27:31,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 250 [2022-11-22 01:27:31,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:27:31,245 INFO L225 Difference]: With dead ends: 55368 [2022-11-22 01:27:31,245 INFO L226 Difference]: Without dead ends: 33191 [2022-11-22 01:27:31,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:27:31,352 INFO L413 NwaCegarLoop]: 4448 mSDtfsCounter, 2740 mSDsluCounter, 2863 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 7311 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:27:31,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2740 Valid, 7311 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1079 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2022-11-22 01:27:31,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33191 states. [2022-11-22 01:27:33,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33191 to 33183. [2022-11-22 01:27:33,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33183 states, 18813 states have (on average 1.2269707117418807) internal successors, (23083), 19376 states have internal predecessors, (23083), 11683 states have call successors, (11683), 2686 states have call predecessors, (11683), 2686 states have return successors, (11683), 11506 states have call predecessors, (11683), 11683 states have call successors, (11683) [2022-11-22 01:27:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33183 states to 33183 states and 46449 transitions. [2022-11-22 01:27:33,669 INFO L78 Accepts]: Start accepts. Automaton has 33183 states and 46449 transitions. Word has length 250 [2022-11-22 01:27:33,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:27:33,670 INFO L495 AbstractCegarLoop]: Abstraction has 33183 states and 46449 transitions. [2022-11-22 01:27:33,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 01:27:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 33183 states and 46449 transitions. [2022-11-22 01:27:33,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-11-22 01:27:33,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:27:33,699 INFO L195 NwaCegarLoop]: trace histogram [21, 16, 16, 16, 16, 16, 16, 6, 6, 3, 3, 3, 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] [2022-11-22 01:27:33,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:27:33,699 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:27:33,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:27:33,700 INFO L85 PathProgramCache]: Analyzing trace with hash 625177001, now seen corresponding path program 1 times [2022-11-22 01:27:33,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:27:33,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958542108] [2022-11-22 01:27:33,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:27:33,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:27:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:27:34,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1192 trivial. 0 not checked. [2022-11-22 01:27:34,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:27:34,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958542108] [2022-11-22 01:27:34,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958542108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:27:34,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:27:34,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:27:34,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712416016] [2022-11-22 01:27:34,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:27:34,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:27:34,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:27:34,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:27:34,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:27:34,182 INFO L87 Difference]: Start difference. First operand 33183 states and 46449 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-22 01:27:35,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:37,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:39,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:44,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:45,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:27:45,614 INFO L93 Difference]: Finished difference Result 80491 states and 112734 transitions. [2022-11-22 01:27:45,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:27:45,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 285 [2022-11-22 01:27:45,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:27:45,841 INFO L225 Difference]: With dead ends: 80491 [2022-11-22 01:27:45,842 INFO L226 Difference]: Without dead ends: 48529 [2022-11-22 01:27:45,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:27:45,966 INFO L413 NwaCegarLoop]: 5499 mSDtfsCounter, 2960 mSDsluCounter, 2883 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2960 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:27:45,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2960 Valid, 8382 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1239 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-11-22 01:27:46,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48529 states. [2022-11-22 01:27:48,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48529 to 48508. [2022-11-22 01:27:48,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48508 states, 27496 states have (on average 1.2262874599941809) internal successors, (33718), 28331 states have internal predecessors, (33718), 17077 states have call successors, (17077), 3934 states have call predecessors, (17077), 3934 states have return successors, (17077), 16811 states have call predecessors, (17077), 17077 states have call successors, (17077) [2022-11-22 01:27:49,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48508 states to 48508 states and 67872 transitions. [2022-11-22 01:27:49,083 INFO L78 Accepts]: Start accepts. Automaton has 48508 states and 67872 transitions. Word has length 285 [2022-11-22 01:27:49,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:27:49,084 INFO L495 AbstractCegarLoop]: Abstraction has 48508 states and 67872 transitions. [2022-11-22 01:27:49,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-22 01:27:49,084 INFO L276 IsEmpty]: Start isEmpty. Operand 48508 states and 67872 transitions. [2022-11-22 01:27:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-11-22 01:27:49,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:27:49,120 INFO L195 NwaCegarLoop]: trace histogram [22, 16, 16, 16, 16, 16, 16, 8, 8, 3, 3, 3, 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] [2022-11-22 01:27:49,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:27:49,121 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:27:49,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:27:49,121 INFO L85 PathProgramCache]: Analyzing trace with hash 157118416, now seen corresponding path program 1 times [2022-11-22 01:27:49,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:27:49,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831750021] [2022-11-22 01:27:49,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:27:49,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:27:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:27:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1293 trivial. 0 not checked. [2022-11-22 01:27:50,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:27:50,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831750021] [2022-11-22 01:27:50,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831750021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:27:50,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:27:50,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:27:50,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935466272] [2022-11-22 01:27:50,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:27:50,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:27:50,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:27:50,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:27:50,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:27:50,831 INFO L87 Difference]: Start difference. First operand 48508 states and 67872 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-22 01:27:53,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:57,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:27:59,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:27:59,554 INFO L93 Difference]: Finished difference Result 97313 states and 136629 transitions. [2022-11-22 01:27:59,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:27:59,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 313 [2022-11-22 01:27:59,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:28:00,076 INFO L225 Difference]: With dead ends: 97313 [2022-11-22 01:28:00,077 INFO L226 Difference]: Without dead ends: 50026 [2022-11-22 01:28:00,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:28:00,281 INFO L413 NwaCegarLoop]: 2931 mSDtfsCounter, 99 mSDsluCounter, 5810 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 51 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 8741 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:28:00,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 8741 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1252 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-22 01:28:00,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50026 states. [2022-11-22 01:28:02,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50026 to 50026. [2022-11-22 01:28:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50026 states, 28416 states have (on average 1.2270551801801801) internal successors, (34868), 29251 states have internal predecessors, (34868), 17652 states have call successors, (17652), 3957 states have call predecessors, (17652), 3957 states have return successors, (17652), 17386 states have call predecessors, (17652), 17652 states have call successors, (17652) [2022-11-22 01:28:02,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50026 states to 50026 states and 70172 transitions. [2022-11-22 01:28:02,992 INFO L78 Accepts]: Start accepts. Automaton has 50026 states and 70172 transitions. Word has length 313 [2022-11-22 01:28:02,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:28:02,993 INFO L495 AbstractCegarLoop]: Abstraction has 50026 states and 70172 transitions. [2022-11-22 01:28:02,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-22 01:28:02,993 INFO L276 IsEmpty]: Start isEmpty. Operand 50026 states and 70172 transitions. [2022-11-22 01:28:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-22 01:28:03,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:28:03,030 INFO L195 NwaCegarLoop]: trace histogram [22, 16, 16, 16, 16, 16, 16, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:28:03,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:28:03,031 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:28:03,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:28:03,031 INFO L85 PathProgramCache]: Analyzing trace with hash -556047971, now seen corresponding path program 1 times [2022-11-22 01:28:03,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:28:03,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904991023] [2022-11-22 01:28:03,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:28:03,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:28:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:28:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1293 trivial. 0 not checked. [2022-11-22 01:28:11,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:28:11,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904991023] [2022-11-22 01:28:11,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904991023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:28:11,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:28:11,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:28:11,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531363818] [2022-11-22 01:28:11,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:28:11,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:28:11,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:28:11,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:28:11,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:28:11,835 INFO L87 Difference]: Start difference. First operand 50026 states and 70172 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-22 01:28:17,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:19,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:22,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:34,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:37,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:28:37,182 INFO L93 Difference]: Finished difference Result 87025 states and 122389 transitions. [2022-11-22 01:28:37,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:28:37,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 317 [2022-11-22 01:28:37,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:28:37,878 INFO L225 Difference]: With dead ends: 87025 [2022-11-22 01:28:37,879 INFO L226 Difference]: Without dead ends: 87023 [2022-11-22 01:28:37,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:28:37,919 INFO L413 NwaCegarLoop]: 3488 mSDtfsCounter, 2273 mSDsluCounter, 12113 mSDsCounter, 0 mSdLazyCounter, 3374 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2280 SdHoareTripleChecker+Valid, 15601 SdHoareTripleChecker+Invalid, 3387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3374 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:28:37,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2280 Valid, 15601 Invalid, 3387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3374 Invalid, 4 Unknown, 0 Unchecked, 18.8s Time] [2022-11-22 01:28:38,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87023 states. [2022-11-22 01:28:44,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87023 to 86798. [2022-11-22 01:28:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86798 states, 49591 states have (on average 1.2355871024984373) internal successors, (61274), 51447 states have internal predecessors, (61274), 30080 states have call successors, (30080), 7406 states have call predecessors, (30080), 7126 states have return successors, (30666), 29022 states have call predecessors, (30666), 30080 states have call successors, (30666) [2022-11-22 01:28:45,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86798 states to 86798 states and 122020 transitions. [2022-11-22 01:28:45,135 INFO L78 Accepts]: Start accepts. Automaton has 86798 states and 122020 transitions. Word has length 317 [2022-11-22 01:28:45,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:28:45,136 INFO L495 AbstractCegarLoop]: Abstraction has 86798 states and 122020 transitions. [2022-11-22 01:28:45,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-22 01:28:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 86798 states and 122020 transitions. [2022-11-22 01:28:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2022-11-22 01:28:45,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:28:45,312 INFO L195 NwaCegarLoop]: trace histogram [24, 16, 16, 16, 16, 16, 16, 10, 10, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:28:45,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:28:45,313 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:28:45,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:28:45,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1814841196, now seen corresponding path program 1 times [2022-11-22 01:28:45,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:28:45,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377251131] [2022-11-22 01:28:45,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:28:45,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:28:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:28:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1449 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1436 trivial. 0 not checked. [2022-11-22 01:28:46,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:28:46,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377251131] [2022-11-22 01:28:46,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377251131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:28:46,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:28:46,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:28:46,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039296923] [2022-11-22 01:28:46,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:28:46,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:28:46,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:28:46,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:28:46,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:28:46,385 INFO L87 Difference]: Start difference. First operand 86798 states and 122020 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-22 01:28:56,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:59,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []