./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:28:36,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:28:36,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:28:36,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:28:36,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:28:36,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:28:36,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:28:36,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:28:36,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:28:36,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:28:36,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:28:36,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:28:36,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:28:36,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:28:36,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:28:36,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:28:36,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:28:36,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:28:36,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:28:36,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:28:36,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:28:36,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:28:36,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:28:36,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:28:36,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:28:36,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:28:36,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:28:36,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:28:36,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:28:36,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:28:36,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:28:36,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:28:36,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:28:36,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:28:36,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:28:36,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:28:36,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:28:36,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:28:36,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:28:36,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:28:36,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:28:36,997 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:28:37,042 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:28:37,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:28:37,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:28:37,044 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:28:37,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:28:37,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:28:37,046 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:28:37,046 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:28:37,047 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:28:37,047 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:28:37,048 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:28:37,048 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:28:37,049 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:28:37,049 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:28:37,049 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:28:37,050 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:28:37,050 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:28:37,050 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:28:37,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:28:37,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:28:37,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:28:37,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:28:37,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:28:37,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:28:37,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:28:37,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:28:37,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:28:37,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:28:37,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:28:37,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:28:37,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:28:37,056 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:28:37,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:28:37,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:28:37,057 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:28:37,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:28:37,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:28:37,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:28:37,058 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_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 [2022-11-03 03:28:37,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:28:37,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:28:37,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:28:37,406 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:28:37,407 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:28:37,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-03 03:28:37,481 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/data/12857ea61/cdf7b5ef88cc4765ac63f43b4a258cc4/FLAG0a88daaa0 [2022-11-03 03:28:38,576 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:28:38,577 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-03 03:28:38,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/data/12857ea61/cdf7b5ef88cc4765ac63f43b4a258cc4/FLAG0a88daaa0 [2022-11-03 03:28:38,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/data/12857ea61/cdf7b5ef88cc4765ac63f43b4a258cc4 [2022-11-03 03:28:38,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:28:38,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:28:38,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:28:38,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:28:38,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:28:38,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:28:38" (1/1) ... [2022-11-03 03:28:38,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56dfb2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:38, skipping insertion in model container [2022-11-03 03:28:38,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:28:38" (1/1) ... [2022-11-03 03:28:38,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:28:39,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:28:44,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2022-11-03 03:28:44,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2022-11-03 03:28:45,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:28:45,093 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:28:45,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2022-11-03 03:28:45,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2022-11-03 03:28:45,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:28:46,439 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:28:46,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46 WrapperNode [2022-11-03 03:28:46,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:28:46,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:28:46,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:28:46,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:28:46,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (1/1) ... [2022-11-03 03:28:46,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (1/1) ... [2022-11-03 03:28:47,062 INFO L138 Inliner]: procedures = 696, calls = 5980, calls flagged for inlining = 358, calls inlined = 317, statements flattened = 11104 [2022-11-03 03:28:47,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:28:47,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:28:47,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:28:47,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:28:47,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (1/1) ... [2022-11-03 03:28:47,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (1/1) ... [2022-11-03 03:28:47,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (1/1) ... [2022-11-03 03:28:47,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (1/1) ... [2022-11-03 03:28:47,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (1/1) ... [2022-11-03 03:28:47,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (1/1) ... [2022-11-03 03:28:47,644 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (1/1) ... [2022-11-03 03:28:47,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (1/1) ... [2022-11-03 03:28:47,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:28:47,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:28:47,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:28:47,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:28:47,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (1/1) ... [2022-11-03 03:28:47,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:28:47,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:28:47,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:28:47,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c62b31-dcdc-48b4-a74b-34dd4d80c085/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:28:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 03:28:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 03:28:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-11-03 03:28:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-11-03 03:28:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:28:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:28:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 03:28:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 03:28:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-11-03 03:28:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-11-03 03:28:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 03:28:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 03:28:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:28:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:28:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-11-03 03:28:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-11-03 03:28:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-11-03 03:28:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-11-03 03:28:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-03 03:28:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-03 03:28:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-11-03 03:28:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-11-03 03:28:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-11-03 03:28:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-11-03 03:28:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-11-03 03:28:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-11-03 03:28:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 03:28:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 03:28:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:28:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:28:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 03:28:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 03:28:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-11-03 03:28:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-11-03 03:28:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-11-03 03:28:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-11-03 03:28:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-11-03 03:28:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-11-03 03:28:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-11-03 03:28:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-11-03 03:28:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 03:28:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 03:28:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-03 03:28:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-03 03:28:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 03:28:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 03:28:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 03:28:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 03:28:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-03 03:28:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-03 03:28:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-11-03 03:28:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-11-03 03:28:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 03:28:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 03:28:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 03:28:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 03:28:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-11-03 03:28:47,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-11-03 03:28:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 03:28:47,873 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 03:28:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 03:28:47,874 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 03:28:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 03:28:47,874 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 03:28:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 03:28:47,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 03:28:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:28:47,874 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:28:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 03:28:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 03:28:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:28:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-11-03 03:28:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-11-03 03:28:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 03:28:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 03:28:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-11-03 03:28:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-11-03 03:28:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 03:28:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 03:28:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-11-03 03:28:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-11-03 03:28:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 03:28:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 03:28:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:28:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 03:28:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 03:28:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:28:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:28:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-03 03:28:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-03 03:28:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 03:28:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 03:28:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-11-03 03:28:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-11-03 03:28:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-11-03 03:28:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-11-03 03:28:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:28:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-11-03 03:28:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-11-03 03:28:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 03:28:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 03:28:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:28:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 03:28:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 03:28:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 03:28:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 03:28:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:28:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:28:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-11-03 03:28:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-11-03 03:28:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 03:28:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 03:28:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 03:28:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 03:28:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 03:28:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 03:28:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 03:28:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 03:28:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 03:28:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 03:28:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 03:28:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 03:28:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-11-03 03:28:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-11-03 03:28:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-11-03 03:28:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-11-03 03:28:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 03:28:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 03:28:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 03:28:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 03:28:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 03:28:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 03:28:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-03 03:28:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-03 03:28:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:28:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 03:28:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 03:28:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 03:28:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 03:28:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 03:28:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 03:28:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-03 03:28:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-03 03:28:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-03 03:28:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-03 03:28:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 03:28:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 03:28:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 03:28:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 03:28:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:28:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 03:28:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 03:28:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 03:28:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 03:28:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:28:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:28:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:28:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:28:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:28:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 03:28:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 03:28:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:28:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:28:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 03:28:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 03:28:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 03:28:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 03:28:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 03:28:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 03:28:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-03 03:28:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-03 03:28:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 03:28:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 03:28:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-11-03 03:28:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-11-03 03:28:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 03:28:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 03:28:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-11-03 03:28:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-11-03 03:28:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 03:28:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 03:28:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-11-03 03:28:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-11-03 03:28:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 03:28:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 03:28:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:28:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:28:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-11-03 03:28:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-11-03 03:28:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-11-03 03:28:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-11-03 03:28:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 03:28:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 03:28:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-11-03 03:28:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-11-03 03:28:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 03:28:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 03:28:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-11-03 03:28:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-11-03 03:28:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:28:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:28:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:28:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:28:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-03 03:28:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-03 03:28:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-11-03 03:28:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-11-03 03:28:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 03:28:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 03:28:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 03:28:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 03:28:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-11-03 03:28:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-11-03 03:28:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-11-03 03:28:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-11-03 03:28:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-11-03 03:28:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-11-03 03:28:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 03:28:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 03:28:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-03 03:28:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-03 03:28:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-11-03 03:28:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-11-03 03:28:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:28:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:28:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_120 [2022-11-03 03:28:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_120 [2022-11-03 03:28:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 03:28:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 03:28:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 03:28:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 03:28:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-11-03 03:28:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-11-03 03:28:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-11-03 03:28:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-11-03 03:28:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-11-03 03:28:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-11-03 03:28:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 03:28:47,959 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 03:28:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-03 03:28:47,959 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-03 03:28:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-11-03 03:28:47,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-11-03 03:28:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-11-03 03:28:47,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-11-03 03:28:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:28:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-03 03:28:47,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-03 03:28:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 03:28:47,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 03:28:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 03:28:47,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 03:28:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:28:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-11-03 03:28:47,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-11-03 03:28:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-03 03:28:47,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-03 03:28:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2022-11-03 03:28:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2022-11-03 03:28:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-11-03 03:28:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-11-03 03:28:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:28:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 03:28:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 03:28:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 03:28:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 03:28:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 03:28:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 03:28:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-11-03 03:28:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-11-03 03:28:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:28:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:28:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 03:28:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 03:28:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-11-03 03:28:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-11-03 03:28:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 03:28:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 03:28:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-11-03 03:28:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-11-03 03:28:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-11-03 03:28:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-11-03 03:28:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-11-03 03:28:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-11-03 03:28:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 03:28:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 03:28:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 03:28:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 03:28:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-11-03 03:28:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-11-03 03:28:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-11-03 03:28:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-11-03 03:28:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 03:28:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 03:28:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-11-03 03:28:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-11-03 03:28:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-03 03:28:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-03 03:28:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 03:28:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 03:28:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 03:28:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 03:28:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-11-03 03:28:47,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-11-03 03:28:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 03:28:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 03:28:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:28:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:28:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-11-03 03:28:47,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-11-03 03:28:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-11-03 03:28:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-11-03 03:28:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-11-03 03:28:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-11-03 03:28:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:28:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-11-03 03:28:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-11-03 03:28:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-11-03 03:28:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-11-03 03:28:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:28:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:28:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-11-03 03:28:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-11-03 03:28:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-11-03 03:28:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-11-03 03:28:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 03:28:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 03:28:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 03:28:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 03:28:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-11-03 03:28:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-11-03 03:28:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-11-03 03:28:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-11-03 03:28:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-11-03 03:28:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-11-03 03:28:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 03:28:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 03:28:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 03:28:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 03:28:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-11-03 03:28:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-11-03 03:28:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 03:28:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 03:28:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-11-03 03:28:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-11-03 03:28:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-11-03 03:28:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-11-03 03:28:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-03 03:28:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-03 03:28:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-11-03 03:28:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-11-03 03:28:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_122 [2022-11-03 03:28:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_122 [2022-11-03 03:28:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-11-03 03:28:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-11-03 03:28:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:28:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-11-03 03:28:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-11-03 03:28:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 03:28:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 03:28:49,622 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:28:49,626 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:28:50,140 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:29:09,825 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 03:29:10,878 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:29:13,524 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:29:13,524 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 03:29:13,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:13 BoogieIcfgContainer [2022-11-03 03:29:13,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:29:13,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:29:13,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:29:13,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:29:13,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:28:38" (1/3) ... [2022-11-03 03:29:13,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ade53ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:13, skipping insertion in model container [2022-11-03 03:29:13,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:46" (2/3) ... [2022-11-03 03:29:13,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ade53ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:13, skipping insertion in model container [2022-11-03 03:29:13,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:13" (3/3) ... [2022-11-03 03:29:13,552 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-03 03:29:13,574 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:29:13,575 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-03 03:29:13,712 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:29:13,721 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;@7173a1f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:29:13,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-03 03:29:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 2557 states, 1507 states have (on average 1.2893165228931653) internal successors, (1943), 1549 states have internal predecessors, (1943), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) [2022-11-03 03:29:13,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-03 03:29:13,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:13,788 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:13,790 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:13,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:13,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1558435371, now seen corresponding path program 1 times [2022-11-03 03:29:13,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:13,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673729943] [2022-11-03 03:29:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:13,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:15,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-03 03:29:15,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:15,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673729943] [2022-11-03 03:29:15,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673729943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:15,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:15,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:29:15,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545612692] [2022-11-03 03:29:15,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:15,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:29:15,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:15,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:29:15,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:29:15,612 INFO L87 Difference]: Start difference. First operand has 2557 states, 1507 states have (on average 1.2893165228931653) internal successors, (1943), 1549 states have internal predecessors, (1943), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 03:29:22,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:25,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:25,864 INFO L93 Difference]: Finished difference Result 7167 states and 10536 transitions. [2022-11-03 03:29:25,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:29:25,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 248 [2022-11-03 03:29:25,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:25,917 INFO L225 Difference]: With dead ends: 7167 [2022-11-03 03:29:25,918 INFO L226 Difference]: Without dead ends: 4582 [2022-11-03 03:29:25,941 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 [2022-11-03 03:29:25,944 INFO L413 NwaCegarLoop]: 3827 mSDtfsCounter, 3000 mSDsluCounter, 3600 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 6894 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:25,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 6894 Invalid, 1180 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1160 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-11-03 03:29:25,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2022-11-03 03:29:26,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4577. [2022-11-03 03:29:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4577 states, 2729 states have (on average 1.2773909857090509) internal successors, (3486), 2804 states have internal predecessors, (3486), 1518 states have call successors, (1518), 328 states have call predecessors, (1518), 328 states have return successors, (1518), 1487 states have call predecessors, (1518), 1518 states have call successors, (1518) [2022-11-03 03:29:26,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 6522 transitions. [2022-11-03 03:29:26,313 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 6522 transitions. Word has length 248 [2022-11-03 03:29:26,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:26,316 INFO L495 AbstractCegarLoop]: Abstraction has 4577 states and 6522 transitions. [2022-11-03 03:29:26,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 03:29:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 6522 transitions. [2022-11-03 03:29:26,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-03 03:29:26,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:26,331 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:26,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:29:26,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:26,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:26,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2132461281, now seen corresponding path program 1 times [2022-11-03 03:29:26,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:26,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726517697] [2022-11-03 03:29:26,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:26,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:27,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-03 03:29:27,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:27,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726517697] [2022-11-03 03:29:27,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726517697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:27,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:27,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:29:27,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726802527] [2022-11-03 03:29:27,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:27,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:29:27,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:27,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:29:27,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:29:27,315 INFO L87 Difference]: Start difference. First operand 4577 states and 6522 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 03:29:31,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:35,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:41,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:41,079 INFO L93 Difference]: Finished difference Result 13228 states and 18803 transitions. [2022-11-03 03:29:41,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:29:41,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 249 [2022-11-03 03:29:41,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:41,147 INFO L225 Difference]: With dead ends: 13228 [2022-11-03 03:29:41,147 INFO L226 Difference]: Without dead ends: 8694 [2022-11-03 03:29:41,175 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 [2022-11-03 03:29:41,176 INFO L413 NwaCegarLoop]: 4366 mSDtfsCounter, 3063 mSDsluCounter, 3502 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3063 SdHoareTripleChecker+Valid, 7349 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:41,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3063 Valid, 7349 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1291 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2022-11-03 03:29:41,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8694 states. [2022-11-03 03:29:41,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8694 to 8685. [2022-11-03 03:29:41,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8685 states, 5158 states have (on average 1.267545560294688) internal successors, (6538), 5308 states have internal predecessors, (6538), 2872 states have call successors, (2872), 653 states have call predecessors, (2872), 653 states have return successors, (2872), 2806 states have call predecessors, (2872), 2872 states have call successors, (2872) [2022-11-03 03:29:41,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8685 states to 8685 states and 12282 transitions. [2022-11-03 03:29:41,978 INFO L78 Accepts]: Start accepts. Automaton has 8685 states and 12282 transitions. Word has length 249 [2022-11-03 03:29:41,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:41,980 INFO L495 AbstractCegarLoop]: Abstraction has 8685 states and 12282 transitions. [2022-11-03 03:29:41,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 03:29:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 8685 states and 12282 transitions. [2022-11-03 03:29:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-03 03:29:41,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:41,998 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 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] [2022-11-03 03:29:41,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:29:41,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:42,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:42,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1893710151, now seen corresponding path program 1 times [2022-11-03 03:29:42,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:42,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413183239] [2022-11-03 03:29:42,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:42,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1725 trivial. 0 not checked. [2022-11-03 03:29:42,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:42,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413183239] [2022-11-03 03:29:42,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413183239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:42,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:42,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:29:42,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101608223] [2022-11-03 03:29:42,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:42,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:29:42,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:42,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:29:42,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:29:42,848 INFO L87 Difference]: Start difference. First operand 8685 states and 12282 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 03:29:48,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:52,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:56,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:56,196 INFO L93 Difference]: Finished difference Result 25318 states and 35778 transitions. [2022-11-03 03:29:56,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:29:56,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 273 [2022-11-03 03:29:56,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:56,317 INFO L225 Difference]: With dead ends: 25318 [2022-11-03 03:29:56,318 INFO L226 Difference]: Without dead ends: 16676 [2022-11-03 03:29:56,369 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 [2022-11-03 03:29:56,370 INFO L413 NwaCegarLoop]: 4487 mSDtfsCounter, 3221 mSDsluCounter, 3553 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 7504 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:56,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3221 Valid, 7504 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1277 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2022-11-03 03:29:56,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16676 states. [2022-11-03 03:29:57,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16676 to 16663. [2022-11-03 03:29:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16663 states, 9918 states have (on average 1.2648719499899173) internal successors, (12545), 10205 states have internal predecessors, (12545), 5482 states have call successors, (5482), 1261 states have call predecessors, (5482), 1261 states have return successors, (5482), 5357 states have call predecessors, (5482), 5482 states have call successors, (5482) [2022-11-03 03:29:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16663 states to 16663 states and 23509 transitions. [2022-11-03 03:29:57,537 INFO L78 Accepts]: Start accepts. Automaton has 16663 states and 23509 transitions. Word has length 273 [2022-11-03 03:29:57,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:57,538 INFO L495 AbstractCegarLoop]: Abstraction has 16663 states and 23509 transitions. [2022-11-03 03:29:57,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 03:29:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 16663 states and 23509 transitions. [2022-11-03 03:29:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-11-03 03:29:57,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:57,551 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:57,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:29:57,551 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:57,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:57,552 INFO L85 PathProgramCache]: Analyzing trace with hash -826210380, now seen corresponding path program 1 times [2022-11-03 03:29:57,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:57,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016054334] [2022-11-03 03:29:57,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:57,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-03 03:29:58,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:58,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016054334] [2022-11-03 03:29:58,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016054334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:58,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:58,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:29:58,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236528974] [2022-11-03 03:29:58,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:58,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:29:58,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:58,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:29:58,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:29:58,143 INFO L87 Difference]: Start difference. First operand 16663 states and 23509 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 03:30:08,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:10,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:10,067 INFO L93 Difference]: Finished difference Result 45643 states and 64325 transitions. [2022-11-03 03:30:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:30:10,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 268 [2022-11-03 03:30:10,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:10,275 INFO L225 Difference]: With dead ends: 45643 [2022-11-03 03:30:10,276 INFO L226 Difference]: Without dead ends: 29023 [2022-11-03 03:30:10,356 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 [2022-11-03 03:30:10,357 INFO L413 NwaCegarLoop]: 3758 mSDtfsCounter, 2861 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2861 SdHoareTripleChecker+Valid, 6740 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:10,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2861 Valid, 6740 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1148 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-11-03 03:30:10,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29023 states. [2022-11-03 03:30:12,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29023 to 29011. [2022-11-03 03:30:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29011 states, 17218 states have (on average 1.2525845045882216) internal successors, (21567), 17715 states have internal predecessors, (21567), 9509 states have call successors, (9509), 2303 states have call predecessors, (9509), 2282 states have return successors, (9754), 9249 states have call predecessors, (9754), 9509 states have call successors, (9754) [2022-11-03 03:30:12,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29011 states to 29011 states and 40830 transitions. [2022-11-03 03:30:12,278 INFO L78 Accepts]: Start accepts. Automaton has 29011 states and 40830 transitions. Word has length 268 [2022-11-03 03:30:12,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:12,279 INFO L495 AbstractCegarLoop]: Abstraction has 29011 states and 40830 transitions. [2022-11-03 03:30:12,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 03:30:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 29011 states and 40830 transitions. [2022-11-03 03:30:12,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-03 03:30:12,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:12,296 INFO L195 NwaCegarLoop]: trace histogram [24, 21, 21, 21, 21, 21, 21, 3, 3, 3, 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] [2022-11-03 03:30:12,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:30:12,297 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:12,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:12,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1107280186, now seen corresponding path program 1 times [2022-11-03 03:30:12,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:12,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263941143] [2022-11-03 03:30:12,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:12,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1822 trivial. 0 not checked. [2022-11-03 03:30:13,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:13,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263941143] [2022-11-03 03:30:13,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263941143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:13,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:13,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:30:13,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747238798] [2022-11-03 03:30:13,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:13,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:30:13,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:13,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:30:13,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:30:13,365 INFO L87 Difference]: Start difference. First operand 29011 states and 40830 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, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 03:30:18,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:25,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:25,469 INFO L93 Difference]: Finished difference Result 58650 states and 82406 transitions. [2022-11-03 03:30:25,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:30:25,470 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, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 286 [2022-11-03 03:30:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:25,837 INFO L225 Difference]: With dead ends: 58650 [2022-11-03 03:30:25,837 INFO L226 Difference]: Without dead ends: 29682 [2022-11-03 03:30:25,951 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 [2022-11-03 03:30:25,953 INFO L413 NwaCegarLoop]: 3183 mSDtfsCounter, 730 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 6191 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:25,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 6191 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1117 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2022-11-03 03:30:25,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29682 states. [2022-11-03 03:30:27,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29682 to 29682. [2022-11-03 03:30:27,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29682 states, 17636 states have (on average 1.250340213200272) internal successors, (22051), 18138 states have internal predecessors, (22051), 9669 states have call successors, (9669), 2396 states have call predecessors, (9669), 2375 states have return successors, (9914), 9408 states have call predecessors, (9914), 9669 states have call successors, (9914) [2022-11-03 03:30:27,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29682 states to 29682 states and 41634 transitions. [2022-11-03 03:30:27,917 INFO L78 Accepts]: Start accepts. Automaton has 29682 states and 41634 transitions. Word has length 286 [2022-11-03 03:30:27,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:27,918 INFO L495 AbstractCegarLoop]: Abstraction has 29682 states and 41634 transitions. [2022-11-03 03:30:27,918 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, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 03:30:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 29682 states and 41634 transitions. [2022-11-03 03:30:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-11-03 03:30:27,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:27,930 INFO L195 NwaCegarLoop]: trace histogram [25, 21, 21, 21, 21, 21, 21, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:27,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:30:27,931 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:27,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:27,931 INFO L85 PathProgramCache]: Analyzing trace with hash 625549469, now seen corresponding path program 1 times [2022-11-03 03:30:27,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:27,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22935758] [2022-11-03 03:30:27,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:27,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:28,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1881 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1878 trivial. 0 not checked. [2022-11-03 03:30:28,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:28,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22935758] [2022-11-03 03:30:28,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22935758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:28,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:28,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:30:28,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643932067] [2022-11-03 03:30:28,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:28,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:30:28,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:28,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:30:28,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:30:28,986 INFO L87 Difference]: Start difference. First operand 29682 states and 41634 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 03:30:34,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:41,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:41,395 INFO L93 Difference]: Finished difference Result 71573 states and 100424 transitions. [2022-11-03 03:30:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:30:41,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 297 [2022-11-03 03:30:41,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:41,638 INFO L225 Difference]: With dead ends: 71573 [2022-11-03 03:30:41,638 INFO L226 Difference]: Without dead ends: 42477 [2022-11-03 03:30:41,755 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 [2022-11-03 03:30:41,757 INFO L413 NwaCegarLoop]: 4624 mSDtfsCounter, 2923 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 7615 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:41,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2923 Valid, 7615 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1391 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-11-03 03:30:41,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42477 states. [2022-11-03 03:30:44,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42477 to 42465. [2022-11-03 03:30:44,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42465 states, 25257 states have (on average 1.2487231262620264) internal successors, (31539), 25975 states have internal predecessors, (31539), 13775 states have call successors, (13775), 3461 states have call predecessors, (13775), 3431 states have return successors, (14118), 13403 states have call predecessors, (14118), 13775 states have call successors, (14118) [2022-11-03 03:30:44,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42465 states to 42465 states and 59432 transitions. [2022-11-03 03:30:44,562 INFO L78 Accepts]: Start accepts. Automaton has 42465 states and 59432 transitions. Word has length 297 [2022-11-03 03:30:44,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:44,564 INFO L495 AbstractCegarLoop]: Abstraction has 42465 states and 59432 transitions. [2022-11-03 03:30:44,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 03:30:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 42465 states and 59432 transitions. [2022-11-03 03:30:44,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-11-03 03:30:44,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:44,596 INFO L195 NwaCegarLoop]: trace histogram [27, 21, 21, 21, 21, 21, 21, 5, 5, 4, 4, 4, 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] [2022-11-03 03:30:44,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:30:44,597 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:44,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:44,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1639109504, now seen corresponding path program 1 times [2022-11-03 03:30:44,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:44,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042158701] [2022-11-03 03:30:44,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:44,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:45,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2001 trivial. 0 not checked. [2022-11-03 03:30:45,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:45,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042158701] [2022-11-03 03:30:45,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042158701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:45,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:45,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:30:45,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308730588] [2022-11-03 03:30:45,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:45,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:30:45,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:45,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:30:45,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:30:45,604 INFO L87 Difference]: Start difference. First operand 42465 states and 59432 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-03 03:30:52,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:00,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:01,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:01,103 INFO L93 Difference]: Finished difference Result 103608 states and 145089 transitions. [2022-11-03 03:31:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:31:01,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 330 [2022-11-03 03:31:01,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:01,379 INFO L225 Difference]: With dead ends: 103608 [2022-11-03 03:31:01,379 INFO L226 Difference]: Without dead ends: 61729 [2022-11-03 03:31:01,549 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 [2022-11-03 03:31:01,550 INFO L413 NwaCegarLoop]: 5757 mSDtfsCounter, 3191 mSDsluCounter, 3550 mSDsCounter, 0 mSdLazyCounter, 1605 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 8772 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1605 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:01,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 8772 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1605 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2022-11-03 03:31:01,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61729 states. [2022-11-03 03:31:04,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61729 to 61699. [2022-11-03 03:31:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61699 states, 36737 states have (on average 1.24841440509568) internal successors, (45863), 37779 states have internal predecessors, (45863), 19969 states have call successors, (19969), 5033 states have call predecessors, (19969), 4991 states have return successors, (20461), 19431 states have call predecessors, (20461), 19969 states have call successors, (20461) [2022-11-03 03:31:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61699 states to 61699 states and 86293 transitions. [2022-11-03 03:31:04,799 INFO L78 Accepts]: Start accepts. Automaton has 61699 states and 86293 transitions. Word has length 330 [2022-11-03 03:31:04,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:04,800 INFO L495 AbstractCegarLoop]: Abstraction has 61699 states and 86293 transitions. [2022-11-03 03:31:04,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-03 03:31:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 61699 states and 86293 transitions. [2022-11-03 03:31:04,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-11-03 03:31:04,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:04,838 INFO L195 NwaCegarLoop]: trace histogram [27, 21, 21, 21, 21, 21, 21, 8, 8, 3, 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] [2022-11-03 03:31:04,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 03:31:04,839 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:04,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:04,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1521681755, now seen corresponding path program 1 times [2022-11-03 03:31:04,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:04,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502134157] [2022-11-03 03:31:04,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:04,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2072 trivial. 0 not checked. [2022-11-03 03:31:15,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:15,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502134157] [2022-11-03 03:31:15,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502134157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:15,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:15,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:31:15,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128581415] [2022-11-03 03:31:15,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:15,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:31:15,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:15,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:31:15,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:31:15,900 INFO L87 Difference]: Start difference. First operand 61699 states and 86293 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-03 03:31:32,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:34,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []