./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS --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 02f0930d8b2fe3bfe796d15e5df91cc252d41b871a82a3358310d5ea0b73a544 --- 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-8393723 [2022-11-19 07:34:43,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:34:44,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:34:44,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:34:44,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:34:44,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:34:44,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:34:44,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:34:44,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:34:44,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:34:44,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:34:44,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:34:44,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:34:44,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:34:44,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:34:44,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:34:44,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:34:44,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:34:44,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:34:44,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:34:44,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:34:44,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:34:44,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:34:44,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:34:44,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:34:44,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:34:44,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:34:44,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:34:44,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:34:44,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:34:44,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:34:44,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:34:44,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:34:44,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:34:44,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:34:44,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:34:44,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:34:44,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:34:44,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:34:44,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:34:44,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:34:44,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:34:44,136 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:34:44,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:34:44,137 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:34:44,137 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:34:44,138 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:34:44,138 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:34:44,138 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:34:44,138 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:34:44,139 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:34:44,139 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:34:44,139 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:34:44,139 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:34:44,139 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:34:44,140 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:34:44,140 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:34:44,140 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:34:44,140 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:34:44,141 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:34:44,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:34:44,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:34:44,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:34:44,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:34:44,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:34:44,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:34:44,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:34:44,143 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:34:44,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:34:44,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:34:44,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:34:44,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:34:44,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:34:44,144 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:34:44,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:34:44,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:34:44,145 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:34:44,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:34:44,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:34:44,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:34:44,146 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_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f0930d8b2fe3bfe796d15e5df91cc252d41b871a82a3358310d5ea0b73a544 [2022-11-19 07:34:44,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:34:44,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:34:44,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:34:44,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:34:44,466 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:34:44,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-19 07:34:44,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/data/eb895fd07/b02edd4e14b84981a6b2f04ad0885c6c/FLAG1f1a74da9 [2022-11-19 07:34:45,914 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:34:45,915 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-19 07:34:46,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/data/eb895fd07/b02edd4e14b84981a6b2f04ad0885c6c/FLAG1f1a74da9 [2022-11-19 07:34:46,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/data/eb895fd07/b02edd4e14b84981a6b2f04ad0885c6c [2022-11-19 07:34:46,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:34:46,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:34:46,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:34:46,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:34:46,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:34:46,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:46" (1/1) ... [2022-11-19 07:34:46,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c52ed33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:46, skipping insertion in model container [2022-11-19 07:34:46,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:46" (1/1) ... [2022-11-19 07:34:46,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:34:46,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:34:58,638 WARN L234 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_996b6f1d-b1cc-4d32-bfa0-84245aece936/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948299,948312] [2022-11-19 07:34:58,643 WARN L234 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_996b6f1d-b1cc-4d32-bfa0-84245aece936/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948444,948457] [2022-11-19 07:34:58,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:34:58,750 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:34:59,912 WARN L234 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_996b6f1d-b1cc-4d32-bfa0-84245aece936/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948299,948312] [2022-11-19 07:34:59,913 WARN L234 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_996b6f1d-b1cc-4d32-bfa0-84245aece936/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948444,948457] [2022-11-19 07:34:59,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:35:00,717 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:35:00,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00 WrapperNode [2022-11-19 07:35:00,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:35:00,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:35:00,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:35:00,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:35:00,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ... [2022-11-19 07:35:01,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ... [2022-11-19 07:35:02,148 INFO L138 Inliner]: procedures = 852, calls = 16575, calls flagged for inlining = 416, calls inlined = 353, statements flattened = 29878 [2022-11-19 07:35:02,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:35:02,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:35:02,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:35:02,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:35:02,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ... [2022-11-19 07:35:02,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ... [2022-11-19 07:35:02,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ... [2022-11-19 07:35:02,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ... [2022-11-19 07:35:03,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ... [2022-11-19 07:35:03,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ... [2022-11-19 07:35:04,046 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ... [2022-11-19 07:35:04,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ... [2022-11-19 07:35:04,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:35:04,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:35:04,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:35:04,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:35:04,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (1/1) ... [2022-11-19 07:35:04,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:35:04,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:35:04,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:35:04,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6f1d-b1cc-4d32-bfa0-84245aece936/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:35:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-19 07:35:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-19 07:35:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-19 07:35:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-19 07:35:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-19 07:35:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-19 07:35:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-19 07:35:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-19 07:35:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-19 07:35:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-19 07:35:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-19 07:35:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-19 07:35:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-19 07:35:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-19 07:35:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 07:35:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 07:35:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-19 07:35:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-19 07:35:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-19 07:35:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-19 07:35:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:35:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:35:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:35:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:35:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-19 07:35:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-19 07:35:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 07:35:04,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 07:35:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-19 07:35:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-19 07:35:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-19 07:35:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-19 07:35:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-19 07:35:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-19 07:35:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:35:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:35:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:35:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:35:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:35:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:35:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 07:35:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 07:35:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-19 07:35:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-19 07:35:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-19 07:35:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-19 07:35:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-19 07:35:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-19 07:35:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-19 07:35:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-19 07:35:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:35:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:35:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:35:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:35:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_113 [2022-11-19 07:35:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_113 [2022-11-19 07:35:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-19 07:35:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-19 07:35:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-19 07:35:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-19 07:35:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-19 07:35:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-19 07:35:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-19 07:35:04,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-19 07:35:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:35:04,630 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:35:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-19 07:35:04,630 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-19 07:35:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 07:35:04,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 07:35:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-19 07:35:04,631 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-19 07:35:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:35:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_108 [2022-11-19 07:35:04,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_108 [2022-11-19 07:35:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-19 07:35:04,632 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-19 07:35:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-19 07:35:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-19 07:35:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-19 07:35:04,634 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-19 07:35:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 07:35:04,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 07:35:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-19 07:35:04,635 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-19 07:35:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:35:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:35:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-19 07:35:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-19 07:35:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-19 07:35:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-19 07:35:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-19 07:35:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-19 07:35:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:35:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-19 07:35:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-19 07:35:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-19 07:35:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-19 07:35:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:35:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:35:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:35:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:35:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:35:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:35:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-19 07:35:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-19 07:35:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:35:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-19 07:35:04,642 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-19 07:35:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-19 07:35:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-19 07:35:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:35:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:35:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-19 07:35:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-19 07:35:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:35:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:35:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-19 07:35:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-19 07:35:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 07:35:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 07:35:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-19 07:35:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-19 07:35:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-19 07:35:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-19 07:35:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:35:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:35:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-19 07:35:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-19 07:35:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-19 07:35:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-19 07:35:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-19 07:35:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-19 07:35:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:35:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:35:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-19 07:35:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-19 07:35:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-19 07:35:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-19 07:35:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-19 07:35:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-19 07:35:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-19 07:35:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-19 07:35:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:35:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:35:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-19 07:35:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-19 07:35:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:35:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 07:35:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 07:35:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-19 07:35:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-19 07:35:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 07:35:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 07:35:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 07:35:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 07:35:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 07:35:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-19 07:35:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-19 07:35:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-19 07:35:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-19 07:35:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-19 07:35:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-19 07:35:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:35:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:35:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-19 07:35:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-19 07:35:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-19 07:35:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-19 07:35:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-19 07:35:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-19 07:35:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 07:35:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 07:35:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-19 07:35:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-19 07:35:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-19 07:35:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-19 07:35:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-19 07:35:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-19 07:35:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:35:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:35:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:35:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_119 [2022-11-19 07:35:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_119 [2022-11-19 07:35:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-19 07:35:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-19 07:35:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:35:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-19 07:35:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-19 07:35:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-19 07:35:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-19 07:35:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-11-19 07:35:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-11-19 07:35:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-19 07:35:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-19 07:35:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-19 07:35:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-19 07:35:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-19 07:35:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-19 07:35:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 07:35:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 07:35:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-19 07:35:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-19 07:35:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 07:35:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 07:35:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 07:35:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 07:35:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-19 07:35:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-19 07:35:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:35:04,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:35:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-19 07:35:04,671 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-19 07:35:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-19 07:35:04,671 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-19 07:35:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-19 07:35:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-19 07:35:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-19 07:35:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-19 07:35:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 07:35:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 07:35:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-19 07:35:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-19 07:35:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-19 07:35:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-19 07:35:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-19 07:35:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-19 07:35:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-19 07:35:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-19 07:35:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:35:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:35:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:35:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-19 07:35:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-19 07:35:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:35:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:35:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-19 07:35:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-19 07:35:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-19 07:35:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-19 07:35:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-19 07:35:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-19 07:35:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-19 07:35:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-19 07:35:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-19 07:35:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-19 07:35:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-19 07:35:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-19 07:35:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-19 07:35:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-19 07:35:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 07:35:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 07:35:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-19 07:35:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-19 07:35:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 07:35:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 07:35:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 07:35:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 07:35:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-11-19 07:35:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-11-19 07:35:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-19 07:35:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-19 07:35:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-19 07:35:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-19 07:35:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-19 07:35:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 07:35:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 07:35:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:35:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:35:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 07:35:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 07:35:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-19 07:35:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-19 07:35:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:35:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:35:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-19 07:35:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-19 07:35:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-19 07:35:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-19 07:35:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-19 07:35:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-19 07:35:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:35:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:35:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-19 07:35:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-19 07:35:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-19 07:35:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-19 07:35:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 07:35:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 07:35:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-19 07:35:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-19 07:35:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-19 07:35:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-19 07:35:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-19 07:35:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-19 07:35:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-19 07:35:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-19 07:35:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-19 07:35:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-19 07:35:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 07:35:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 07:35:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 07:35:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 07:35:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 07:35:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 07:35:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:35:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:35:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-19 07:35:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-19 07:35:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:35:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-19 07:35:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-19 07:35:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-19 07:35:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-19 07:35:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-19 07:35:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-19 07:35:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-19 07:35:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-19 07:35:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-19 07:35:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-19 07:35:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:35:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:35:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:35:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-19 07:35:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-19 07:35:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-19 07:35:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-19 07:35:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:35:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:35:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:35:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-19 07:35:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-19 07:35:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-19 07:35:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-19 07:35:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:35:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:35:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-19 07:35:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-19 07:35:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-19 07:35:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-19 07:35:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 07:35:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 07:35:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 07:35:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 07:35:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-19 07:35:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-19 07:35:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:35:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:35:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-19 07:35:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-19 07:35:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-19 07:35:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-19 07:35:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-19 07:35:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-19 07:35:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-19 07:35:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-19 07:35:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-19 07:35:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-19 07:35:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 07:35:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 07:35:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:35:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:35:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-19 07:35:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-19 07:35:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-19 07:35:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-19 07:35:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-19 07:35:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-19 07:35:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-19 07:35:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-19 07:35:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-19 07:35:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-19 07:35:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-19 07:35:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-19 07:35:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-19 07:35:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-19 07:35:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-19 07:35:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-19 07:35:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 07:35:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 07:35:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 07:35:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 07:35:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-19 07:35:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-19 07:35:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 07:35:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 07:35:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-19 07:35:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-19 07:35:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-19 07:35:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-19 07:35:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-19 07:35:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-19 07:35:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-19 07:35:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-19 07:35:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-19 07:35:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-19 07:35:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-19 07:35:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-19 07:35:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:35:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:35:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-19 07:35:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-19 07:35:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-19 07:35:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-19 07:35:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:35:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:35:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:35:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-19 07:35:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-19 07:35:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 07:35:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 07:35:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 07:35:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 07:35:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-19 07:35:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-19 07:35:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 07:35:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 07:35:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-19 07:35:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-19 07:35:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-19 07:35:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-19 07:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:35:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-19 07:35:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-19 07:35:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-19 07:35:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-19 07:35:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-19 07:35:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-19 07:35:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 07:35:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 07:35:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-19 07:35:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-19 07:35:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 07:35:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 07:35:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-19 07:35:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-19 07:35:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-19 07:35:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-19 07:35:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-19 07:35:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-19 07:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-19 07:35:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-19 07:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-19 07:35:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-19 07:35:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-19 07:35:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-19 07:35:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 07:35:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 07:35:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-19 07:35:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-19 07:35:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-19 07:35:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-19 07:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-19 07:35:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-19 07:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-19 07:35:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-19 07:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-19 07:35:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-19 07:35:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-19 07:35:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-19 07:35:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:35:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:35:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-19 07:35:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-19 07:35:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-19 07:35:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-19 07:35:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-19 07:35:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-19 07:35:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-19 07:35:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-19 07:35:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-19 07:35:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-19 07:35:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-19 07:35:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-19 07:35:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 07:35:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 07:35:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:35:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:35:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-19 07:35:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-19 07:35:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-19 07:35:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-19 07:35:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-19 07:35:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-19 07:35:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-19 07:35:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-19 07:35:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-19 07:35:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-19 07:35:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 07:35:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 07:35:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-19 07:35:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-19 07:35:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 07:35:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 07:35:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-19 07:35:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-19 07:35:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-19 07:35:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-19 07:35:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-19 07:35:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-19 07:35:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-19 07:35:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-19 07:35:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 07:35:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 07:35:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-19 07:35:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-19 07:35:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 07:35:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 07:35:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-19 07:35:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-19 07:35:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-19 07:35:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-19 07:35:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:35:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:35:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 07:35:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 07:35:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2022-11-19 07:35:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2022-11-19 07:35:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:35:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 07:35:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 07:35:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-19 07:35:07,468 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:35:07,479 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:35:09,404 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:36:16,917 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:36:30,662 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:36:30,663 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-19 07:36:30,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:30 BoogieIcfgContainer [2022-11-19 07:36:30,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:36:30,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:36:30,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:36:30,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:36:30,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:46" (1/3) ... [2022-11-19 07:36:30,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539ee47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:30, skipping insertion in model container [2022-11-19 07:36:30,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:00" (2/3) ... [2022-11-19 07:36:30,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539ee47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:30, skipping insertion in model container [2022-11-19 07:36:30,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:30" (3/3) ... [2022-11-19 07:36:30,692 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-19 07:36:30,714 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:36:30,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 07:36:30,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:36:30,914 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;@26eff847, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:36:30,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 07:36:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 6626 states, 4200 states have (on average 1.3340476190476191) internal successors, (5603), 4307 states have internal predecessors, (5603), 2174 states have call successors, (2174), 252 states have call predecessors, (2174), 251 states have return successors, (2170), 2157 states have call predecessors, (2170), 2170 states have call successors, (2170) [2022-11-19 07:36:30,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-19 07:36:30,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:30,980 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 07:36:30,981 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:30,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:30,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1088734959, now seen corresponding path program 1 times [2022-11-19 07:36:30,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:30,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744113031] [2022-11-19 07:36:30,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:30,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-19 07:36:52,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:52,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744113031] [2022-11-19 07:36:52,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744113031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:52,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:52,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:36:52,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670931532] [2022-11-19 07:36:52,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:52,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:36:52,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:52,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:36:52,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:36:52,742 INFO L87 Difference]: Start difference. First operand has 6626 states, 4200 states have (on average 1.3340476190476191) internal successors, (5603), 4307 states have internal predecessors, (5603), 2174 states have call successors, (2174), 252 states have call predecessors, (2174), 251 states have return successors, (2170), 2157 states have call predecessors, (2170), 2170 states have call successors, (2170) Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-19 07:36:59,253 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 [] [2022-11-19 07:37:25,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:28,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:30,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:32,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:35,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:03,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:05,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:08,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:10,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:10,438 INFO L93 Difference]: Finished difference Result 16031 states and 24094 transitions. [2022-11-19 07:38:10,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:38:10,441 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 151 [2022-11-19 07:38:10,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:10,544 INFO L225 Difference]: With dead ends: 16031 [2022-11-19 07:38:10,545 INFO L226 Difference]: Without dead ends: 9285 [2022-11-19 07:38:10,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-19 07:38:10,614 INFO L413 NwaCegarLoop]: 10537 mSDtfsCounter, 6032 mSDsluCounter, 47240 mSDsCounter, 0 mSdLazyCounter, 9418 mSolverCounterSat, 1946 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6039 SdHoareTripleChecker+Valid, 57777 SdHoareTripleChecker+Invalid, 11370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 1946 IncrementalHoareTripleChecker+Valid, 9418 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:10,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6039 Valid, 57777 Invalid, 11370 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [1946 Valid, 9418 Invalid, 6 Unknown, 0 Unchecked, 75.0s Time] [2022-11-19 07:38:10,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9285 states. [2022-11-19 07:38:11,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9285 to 9190. [2022-11-19 07:38:11,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9190 states, 5750 states have (on average 1.3140869565217392) internal successors, (7556), 5924 states have internal predecessors, (7556), 3031 states have call successors, (3031), 413 states have call predecessors, (3031), 407 states have return successors, (3066), 2984 states have call predecessors, (3066), 3031 states have call successors, (3066) [2022-11-19 07:38:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9190 states to 9190 states and 13653 transitions. [2022-11-19 07:38:11,945 INFO L78 Accepts]: Start accepts. Automaton has 9190 states and 13653 transitions. Word has length 151 [2022-11-19 07:38:11,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:11,946 INFO L495 AbstractCegarLoop]: Abstraction has 9190 states and 13653 transitions. [2022-11-19 07:38:11,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-19 07:38:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 9190 states and 13653 transitions. [2022-11-19 07:38:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-19 07:38:11,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:11,956 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 4, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 07:38:11,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:38:11,956 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:11,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:11,957 INFO L85 PathProgramCache]: Analyzing trace with hash 716595326, now seen corresponding path program 1 times [2022-11-19 07:38:11,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:11,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164162883] [2022-11-19 07:38:11,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:11,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:13,708 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-11-19 07:38:13,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:13,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164162883] [2022-11-19 07:38:13,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164162883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:13,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:13,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:38:13,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923992962] [2022-11-19 07:38:13,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:13,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:38:13,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:13,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:38:13,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:38:13,713 INFO L87 Difference]: Start difference. First operand 9190 states and 13653 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-19 07:38:17,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:27,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:29,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:42,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:44,707 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 [] [2022-11-19 07:38:45,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:45,501 INFO L93 Difference]: Finished difference Result 17373 states and 26077 transitions. [2022-11-19 07:38:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:38:45,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 180 [2022-11-19 07:38:45,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:45,607 INFO L225 Difference]: With dead ends: 17373 [2022-11-19 07:38:45,607 INFO L226 Difference]: Without dead ends: 10826 [2022-11-19 07:38:45,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:38:45,676 INFO L413 NwaCegarLoop]: 10390 mSDtfsCounter, 1535 mSDsluCounter, 19380 mSDsCounter, 0 mSdLazyCounter, 2752 mSolverCounterSat, 89 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 29770 SdHoareTripleChecker+Invalid, 2846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 2752 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:45,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2110 Valid, 29770 Invalid, 2846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [89 Valid, 2752 Invalid, 5 Unknown, 0 Unchecked, 30.9s Time] [2022-11-19 07:38:45,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10826 states. [2022-11-19 07:38:46,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10826 to 9192. [2022-11-19 07:38:46,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9192 states, 5752 states have (on average 1.3139777468706537) internal successors, (7558), 5926 states have internal predecessors, (7558), 3031 states have call successors, (3031), 413 states have call predecessors, (3031), 407 states have return successors, (3066), 2984 states have call predecessors, (3066), 3031 states have call successors, (3066) [2022-11-19 07:38:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9192 states to 9192 states and 13655 transitions. [2022-11-19 07:38:47,037 INFO L78 Accepts]: Start accepts. Automaton has 9192 states and 13655 transitions. Word has length 180 [2022-11-19 07:38:47,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:47,038 INFO L495 AbstractCegarLoop]: Abstraction has 9192 states and 13655 transitions. [2022-11-19 07:38:47,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-19 07:38:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 9192 states and 13655 transitions. [2022-11-19 07:38:47,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-19 07:38:47,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:47,048 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:47,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:38:47,048 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:47,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:47,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1231074035, now seen corresponding path program 1 times [2022-11-19 07:38:47,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:47,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86275390] [2022-11-19 07:38:47,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:47,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-11-19 07:39:04,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:04,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86275390] [2022-11-19 07:39:04,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86275390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:39:04,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:39:04,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 07:39:04,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960681691] [2022-11-19 07:39:04,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:39:04,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:39:04,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:39:04,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:39:04,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:39:04,186 INFO L87 Difference]: Start difference. First operand 9192 states and 13655 transitions. Second operand has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-19 07:39:10,527 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 [] [2022-11-19 07:40:02,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:04,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:35,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:38,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:50,463 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 [] [2022-11-19 07:41:56,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:41:56,466 INFO L93 Difference]: Finished difference Result 10305 states and 15421 transitions. [2022-11-19 07:41:56,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 07:41:56,467 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 201 [2022-11-19 07:41:56,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:41:56,555 INFO L225 Difference]: With dead ends: 10305 [2022-11-19 07:41:56,555 INFO L226 Difference]: Without dead ends: 10303 [2022-11-19 07:41:56,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-11-19 07:41:56,564 INFO L413 NwaCegarLoop]: 5483 mSDtfsCounter, 6813 mSDsluCounter, 18612 mSDsCounter, 0 mSdLazyCounter, 39847 mSolverCounterSat, 4934 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 158.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7922 SdHoareTripleChecker+Valid, 24095 SdHoareTripleChecker+Invalid, 44786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 4934 IncrementalHoareTripleChecker+Valid, 39847 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 168.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:41:56,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7922 Valid, 24095 Invalid, 44786 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [4934 Valid, 39847 Invalid, 5 Unknown, 0 Unchecked, 168.8s Time] [2022-11-19 07:41:56,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10303 states. [2022-11-19 07:41:57,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10303 to 10095. [2022-11-19 07:41:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10095 states, 6314 states have (on average 1.3094710167880899) internal successors, (8268), 6499 states have internal predecessors, (8268), 3351 states have call successors, (3351), 413 states have call predecessors, (3351), 428 states have return successors, (3470), 3318 states have call predecessors, (3470), 3351 states have call successors, (3470) [2022-11-19 07:41:58,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10095 states to 10095 states and 15089 transitions. [2022-11-19 07:41:58,051 INFO L78 Accepts]: Start accepts. Automaton has 10095 states and 15089 transitions. Word has length 201 [2022-11-19 07:41:58,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:41:58,054 INFO L495 AbstractCegarLoop]: Abstraction has 10095 states and 15089 transitions. [2022-11-19 07:41:58,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-19 07:41:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 10095 states and 15089 transitions. [2022-11-19 07:41:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-19 07:41:58,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:41:58,063 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:41:58,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:41:58,064 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:41:58,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:41:58,066 INFO L85 PathProgramCache]: Analyzing trace with hash -628784695, now seen corresponding path program 1 times [2022-11-19 07:41:58,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:41:58,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630875945] [2022-11-19 07:41:58,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:41:58,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:41:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:41:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-11-19 07:41:59,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:41:59,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630875945] [2022-11-19 07:41:59,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630875945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:41:59,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:41:59,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:41:59,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943612308] [2022-11-19 07:41:59,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:41:59,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:41:59,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:41:59,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:41:59,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:41:59,790 INFO L87 Difference]: Start difference. First operand 10095 states and 15089 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-19 07:42:03,148 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 [] [2022-11-19 07:42:12,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:14,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:16,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:18,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:20,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:32,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:34,495 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 [] [2022-11-19 07:42:35,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:35,092 INFO L93 Difference]: Finished difference Result 17700 states and 26590 transitions. [2022-11-19 07:42:35,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:42:35,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 198 [2022-11-19 07:42:35,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:35,161 INFO L225 Difference]: With dead ends: 17700 [2022-11-19 07:42:35,161 INFO L226 Difference]: Without dead ends: 10248 [2022-11-19 07:42:35,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:35,214 INFO L413 NwaCegarLoop]: 9211 mSDtfsCounter, 293 mSDsluCounter, 18091 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 99 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 27302 SdHoareTripleChecker+Invalid, 2613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:35,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 27302 Invalid, 2613 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [99 Valid, 2509 Invalid, 5 Unknown, 0 Unchecked, 34.0s Time] [2022-11-19 07:42:35,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10248 states. [2022-11-19 07:42:36,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10248 to 10097. [2022-11-19 07:42:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10097 states, 6316 states have (on average 1.3093730208993033) internal successors, (8270), 6501 states have internal predecessors, (8270), 3351 states have call successors, (3351), 413 states have call predecessors, (3351), 428 states have return successors, (3470), 3318 states have call predecessors, (3470), 3351 states have call successors, (3470) [2022-11-19 07:42:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10097 states to 10097 states and 15091 transitions. [2022-11-19 07:42:36,774 INFO L78 Accepts]: Start accepts. Automaton has 10097 states and 15091 transitions. Word has length 198 [2022-11-19 07:42:36,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:36,775 INFO L495 AbstractCegarLoop]: Abstraction has 10097 states and 15091 transitions. [2022-11-19 07:42:36,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-19 07:42:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 10097 states and 15091 transitions. [2022-11-19 07:42:36,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-19 07:42:36,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:36,785 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:36,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:42:36,785 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:36,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:36,786 INFO L85 PathProgramCache]: Analyzing trace with hash 172613847, now seen corresponding path program 1 times [2022-11-19 07:42:36,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:36,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325944258] [2022-11-19 07:42:36,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:36,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:41,799 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-11-19 07:42:41,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:41,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325944258] [2022-11-19 07:42:41,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325944258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:41,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:41,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:42:41,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941288280] [2022-11-19 07:42:41,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:41,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:42:41,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:41,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:42:41,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:42:41,801 INFO L87 Difference]: Start difference. First operand 10097 states and 15091 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-19 07:42:45,672 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 [] [2022-11-19 07:42:56,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:58,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:05,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:10,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:13,683 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 [] [2022-11-19 07:43:14,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:14,351 INFO L93 Difference]: Finished difference Result 20584 states and 30839 transitions. [2022-11-19 07:43:14,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:43:14,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 201 [2022-11-19 07:43:14,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:14,526 INFO L225 Difference]: With dead ends: 20584 [2022-11-19 07:43:14,526 INFO L226 Difference]: Without dead ends: 10501 [2022-11-19 07:43:14,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:43:14,583 INFO L413 NwaCegarLoop]: 9210 mSDtfsCounter, 235 mSDsluCounter, 18206 mSDsCounter, 0 mSdLazyCounter, 2529 mSolverCounterSat, 66 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 27416 SdHoareTripleChecker+Invalid, 2599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 2529 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:14,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 27416 Invalid, 2599 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [66 Valid, 2529 Invalid, 4 Unknown, 0 Unchecked, 31.3s Time] [2022-11-19 07:43:14,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10501 states. [2022-11-19 07:43:15,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10501 to 10101. [2022-11-19 07:43:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10101 states, 6320 states have (on average 1.3091772151898735) internal successors, (8274), 6505 states have internal predecessors, (8274), 3351 states have call successors, (3351), 413 states have call predecessors, (3351), 428 states have return successors, (3470), 3318 states have call predecessors, (3470), 3351 states have call successors, (3470) [2022-11-19 07:43:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10101 states to 10101 states and 15095 transitions. [2022-11-19 07:43:15,947 INFO L78 Accepts]: Start accepts. Automaton has 10101 states and 15095 transitions. Word has length 201 [2022-11-19 07:43:15,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:15,948 INFO L495 AbstractCegarLoop]: Abstraction has 10101 states and 15095 transitions. [2022-11-19 07:43:15,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-19 07:43:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 10101 states and 15095 transitions. [2022-11-19 07:43:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-19 07:43:15,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:15,959 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:15,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:43:15,975 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:15,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:15,976 INFO L85 PathProgramCache]: Analyzing trace with hash 314686812, now seen corresponding path program 1 times [2022-11-19 07:43:15,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:15,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947579774] [2022-11-19 07:43:15,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:15,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2022-11-19 07:43:22,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:22,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947579774] [2022-11-19 07:43:22,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947579774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:22,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:43:22,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:43:22,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214120936] [2022-11-19 07:43:22,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:22,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:43:22,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:22,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:43:22,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:43:22,820 INFO L87 Difference]: Start difference. First operand 10101 states and 15095 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-19 07:43:26,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:28,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:31,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:35,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:43,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:45,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:47,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:49,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:51,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:53,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:55,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:57,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:02,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:09,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:11,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:12,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:44:12,602 INFO L93 Difference]: Finished difference Result 17565 states and 26366 transitions. [2022-11-19 07:44:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:44:12,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 218 [2022-11-19 07:44:12,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:44:12,663 INFO L225 Difference]: With dead ends: 17565 [2022-11-19 07:44:12,664 INFO L226 Difference]: Without dead ends: 10109 [2022-11-19 07:44:12,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:44:12,707 INFO L413 NwaCegarLoop]: 8999 mSDtfsCounter, 0 mSDsluCounter, 26986 mSDsCounter, 0 mSdLazyCounter, 3324 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35985 SdHoareTripleChecker+Invalid, 3332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3324 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:44:12,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35985 Invalid, 3332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3324 Invalid, 8 Unknown, 0 Unchecked, 48.6s Time] [2022-11-19 07:44:12,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10109 states. [2022-11-19 07:44:13,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10109 to 10109. [2022-11-19 07:44:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10109 states, 6326 states have (on average 1.3088839709136895) internal successors, (8280), 6511 states have internal predecessors, (8280), 3351 states have call successors, (3351), 413 states have call predecessors, (3351), 430 states have return successors, (3482), 3320 states have call predecessors, (3482), 3351 states have call successors, (3482) [2022-11-19 07:44:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10109 states to 10109 states and 15113 transitions. [2022-11-19 07:44:14,016 INFO L78 Accepts]: Start accepts. Automaton has 10109 states and 15113 transitions. Word has length 218 [2022-11-19 07:44:14,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:44:14,016 INFO L495 AbstractCegarLoop]: Abstraction has 10109 states and 15113 transitions. [2022-11-19 07:44:14,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-19 07:44:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 10109 states and 15113 transitions. [2022-11-19 07:44:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-11-19 07:44:14,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:44:14,028 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:44:14,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:44:14,028 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:44:14,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:44:14,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1755541452, now seen corresponding path program 1 times [2022-11-19 07:44:14,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:44:14,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888281688] [2022-11-19 07:44:14,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:44:14,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:44:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:44:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-11-19 07:44:17,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:44:17,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888281688] [2022-11-19 07:44:17,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888281688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:44:17,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:44:17,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:44:17,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340207681] [2022-11-19 07:44:17,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:44:17,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:44:17,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:44:17,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:44:17,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:44:17,019 INFO L87 Difference]: Start difference. First operand 10109 states and 15113 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-19 07:44:22,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:24,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:38,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:41,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:43,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:45,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:47,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:49,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:51,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:53,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:55,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:57,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:59,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:02,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:12,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:16,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:20,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:22,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:24,807 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 [] [2022-11-19 07:45:25,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:45:25,844 INFO L93 Difference]: Finished difference Result 17648 states and 26504 transitions. [2022-11-19 07:45:25,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:45:25,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 231 [2022-11-19 07:45:25,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:45:25,906 INFO L225 Difference]: With dead ends: 17648 [2022-11-19 07:45:25,906 INFO L226 Difference]: Without dead ends: 10188 [2022-11-19 07:45:25,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:45:25,958 INFO L413 NwaCegarLoop]: 9094 mSDtfsCounter, 62 mSDsluCounter, 16914 mSDsCounter, 0 mSdLazyCounter, 3733 mSolverCounterSat, 3 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 26008 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3733 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:45:25,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 26008 Invalid, 3751 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3733 Invalid, 15 Unknown, 0 Unchecked, 67.4s Time] [2022-11-19 07:45:25,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10188 states. [2022-11-19 07:45:27,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10188 to 10111. [2022-11-19 07:45:27,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10111 states, 6328 states have (on average 1.3087863463969658) internal successors, (8282), 6513 states have internal predecessors, (8282), 3351 states have call successors, (3351), 413 states have call predecessors, (3351), 430 states have return successors, (3482), 3320 states have call predecessors, (3482), 3351 states have call successors, (3482) [2022-11-19 07:45:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10111 states to 10111 states and 15115 transitions. [2022-11-19 07:45:27,642 INFO L78 Accepts]: Start accepts. Automaton has 10111 states and 15115 transitions. Word has length 231 [2022-11-19 07:45:27,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:45:27,643 INFO L495 AbstractCegarLoop]: Abstraction has 10111 states and 15115 transitions. [2022-11-19 07:45:27,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-19 07:45:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 10111 states and 15115 transitions. [2022-11-19 07:45:27,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-19 07:45:27,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:45:27,656 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:45:27,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:45:27,657 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:45:27,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:45:27,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1733407153, now seen corresponding path program 1 times [2022-11-19 07:45:27,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:45:27,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274367635] [2022-11-19 07:45:27,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:45:27,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:45:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:45:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-11-19 07:45:31,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:45:31,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274367635] [2022-11-19 07:45:31,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274367635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:45:31,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:45:31,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:45:31,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028364225] [2022-11-19 07:45:31,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:45:31,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:45:31,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:45:31,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:45:31,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:45:31,138 INFO L87 Difference]: Start difference. First operand 10111 states and 15115 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-19 07:45:35,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:45,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:48,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:49,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:51,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:53,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:56,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:45:58,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:00,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:02,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:05,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:07,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:09,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:11,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:13,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:15,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:17,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:27,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:31,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:35,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:37,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:39,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:46:39,225 INFO L93 Difference]: Finished difference Result 17652 states and 26508 transitions. [2022-11-19 07:46:39,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:46:39,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 232 [2022-11-19 07:46:39,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:46:39,284 INFO L225 Difference]: With dead ends: 17652 [2022-11-19 07:46:39,284 INFO L226 Difference]: Without dead ends: 10190 [2022-11-19 07:46:39,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:46:39,406 INFO L413 NwaCegarLoop]: 9102 mSDtfsCounter, 62 mSDsluCounter, 16920 mSDsCounter, 0 mSdLazyCounter, 3735 mSolverCounterSat, 2 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 26022 SdHoareTripleChecker+Invalid, 3752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3735 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:46:39,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 26022 Invalid, 3752 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3735 Invalid, 15 Unknown, 0 Unchecked, 66.8s Time] [2022-11-19 07:46:39,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10190 states. [2022-11-19 07:46:40,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10190 to 10111. [2022-11-19 07:46:40,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10111 states, 6328 states have (on average 1.3087863463969658) internal successors, (8282), 6513 states have internal predecessors, (8282), 3351 states have call successors, (3351), 413 states have call predecessors, (3351), 430 states have return successors, (3482), 3320 states have call predecessors, (3482), 3351 states have call successors, (3482) [2022-11-19 07:46:40,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10111 states to 10111 states and 15115 transitions. [2022-11-19 07:46:40,826 INFO L78 Accepts]: Start accepts. Automaton has 10111 states and 15115 transitions. Word has length 232 [2022-11-19 07:46:40,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:46:40,827 INFO L495 AbstractCegarLoop]: Abstraction has 10111 states and 15115 transitions. [2022-11-19 07:46:40,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-19 07:46:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 10111 states and 15115 transitions. [2022-11-19 07:46:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-19 07:46:40,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:46:40,839 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:46:40,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:46:40,840 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:46:40,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:46:40,841 INFO L85 PathProgramCache]: Analyzing trace with hash -118819626, now seen corresponding path program 1 times [2022-11-19 07:46:40,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:46:40,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206169536] [2022-11-19 07:46:40,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:46:40,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:46:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:46:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-11-19 07:46:44,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:46:44,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206169536] [2022-11-19 07:46:44,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206169536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:46:44,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:46:44,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:46:44,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101040859] [2022-11-19 07:46:44,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:46:44,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:46:44,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:46:44,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:46:44,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:46:44,633 INFO L87 Difference]: Start difference. First operand 10111 states and 15115 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-19 07:46:49,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:46:52,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:06,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:08,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:09,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:11,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:13,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:15,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:17,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:19,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:21,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:22,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:25,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:27,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:29,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:31,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:33,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:49,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:50,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:52,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:47:55,210 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 [] [2022-11-19 07:47:56,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:47:56,605 INFO L93 Difference]: Finished difference Result 17652 states and 26507 transitions. [2022-11-19 07:47:56,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:47:56,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 232 [2022-11-19 07:47:56,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:47:56,651 INFO L225 Difference]: With dead ends: 17652 [2022-11-19 07:47:56,652 INFO L226 Difference]: Without dead ends: 10190 [2022-11-19 07:47:56,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:47:56,689 INFO L413 NwaCegarLoop]: 9094 mSDtfsCounter, 61 mSDsluCounter, 16957 mSDsCounter, 0 mSdLazyCounter, 3781 mSolverCounterSat, 3 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 26051 SdHoareTripleChecker+Invalid, 3798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3781 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:47:56,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 26051 Invalid, 3798 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3781 Invalid, 14 Unknown, 0 Unchecked, 70.6s Time] [2022-11-19 07:47:56,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10190 states. [2022-11-19 07:47:57,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10190 to 10114. [2022-11-19 07:47:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10114 states, 6331 states have (on average 1.3086400252724688) internal successors, (8285), 6516 states have internal predecessors, (8285), 3351 states have call successors, (3351), 413 states have call predecessors, (3351), 430 states have return successors, (3482), 3320 states have call predecessors, (3482), 3351 states have call successors, (3482) [2022-11-19 07:47:58,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10114 states to 10114 states and 15118 transitions. [2022-11-19 07:47:58,028 INFO L78 Accepts]: Start accepts. Automaton has 10114 states and 15118 transitions. Word has length 232 [2022-11-19 07:47:58,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:47:58,029 INFO L495 AbstractCegarLoop]: Abstraction has 10114 states and 15118 transitions. [2022-11-19 07:47:58,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-19 07:47:58,029 INFO L276 IsEmpty]: Start isEmpty. Operand 10114 states and 15118 transitions. [2022-11-19 07:47:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-19 07:47:58,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:47:58,039 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:47:58,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:47:58,039 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:47:58,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:47:58,040 INFO L85 PathProgramCache]: Analyzing trace with hash 363906761, now seen corresponding path program 1 times [2022-11-19 07:47:58,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:47:58,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685855388] [2022-11-19 07:47:58,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:47:58,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:47:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-11-19 07:48:01,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:01,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685855388] [2022-11-19 07:48:01,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685855388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:01,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:01,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:48:01,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616442314] [2022-11-19 07:48:01,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:01,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:48:01,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:01,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:48:01,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:48:01,148 INFO L87 Difference]: Start difference. First operand 10114 states and 15118 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-19 07:48:05,645 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 []