./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:39:20,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:39:20,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:39:20,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:39:20,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:39:20,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:39:20,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:39:20,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:39:20,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:39:20,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:39:20,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:39:20,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:39:20,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:39:20,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:39:20,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:39:20,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:39:20,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:39:20,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:39:20,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:39:20,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:39:20,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:39:20,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:39:20,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:39:20,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:39:20,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:39:20,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:39:20,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:39:20,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:39:20,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:39:20,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:39:20,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:39:20,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:39:20,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:39:20,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:39:20,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:39:20,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:39:20,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:39:20,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:39:20,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:39:20,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:39:20,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:39:20,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:39:20,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:39:20,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:39:20,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:39:20,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:39:20,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:39:20,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:39:20,428 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:39:20,429 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:39:20,429 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:39:20,429 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:39:20,430 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:39:20,431 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:39:20,431 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:39:20,431 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:39:20,432 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:39:20,432 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:39:20,432 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:39:20,432 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:39:20,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:39:20,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:39:20,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:39:20,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:39:20,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:39:20,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:39:20,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:39:20,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:39:20,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:39:20,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:39:20,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:39:20,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:39:20,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:39:20,439 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:39:20,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:39:20,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:39:20,440 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:39:20,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:39:20,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:39:20,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:39:20,441 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_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2022-11-03 02:39:20,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:39:20,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:39:20,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:39:20,848 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:39:20,849 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:39:20,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-11-03 02:39:20,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/data/daf0a5520/4f0079165a534019be8d9331baee700a/FLAG9965ca080 [2022-11-03 02:39:22,306 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:39:22,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-11-03 02:39:22,367 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/data/daf0a5520/4f0079165a534019be8d9331baee700a/FLAG9965ca080 [2022-11-03 02:39:22,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/data/daf0a5520/4f0079165a534019be8d9331baee700a [2022-11-03 02:39:22,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:39:22,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:39:22,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:39:22,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:39:22,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:39:22,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:39:22" (1/1) ... [2022-11-03 02:39:22,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287097d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:22, skipping insertion in model container [2022-11-03 02:39:22,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:39:22" (1/1) ... [2022-11-03 02:39:22,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:39:22,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:39:28,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2022-11-03 02:39:28,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2022-11-03 02:39:28,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:39:28,454 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:39:29,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2022-11-03 02:39:29,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2022-11-03 02:39:29,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:39:29,559 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:39:29,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29 WrapperNode [2022-11-03 02:39:29,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:39:29,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:39:29,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:39:29,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:39:29,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:29,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:30,067 INFO L138 Inliner]: procedures = 543, calls = 4199, calls flagged for inlining = 248, calls inlined = 232, statements flattened = 8662 [2022-11-03 02:39:30,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:39:30,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:39:30,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:39:30,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:39:30,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:30,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:30,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:30,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:30,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:30,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:30,789 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:30,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:30,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:39:30,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:39:30,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:39:30,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:39:30,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:30,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:39:31,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:39:31,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:39:31,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a0c4df-60ab-47c6-82e9-652b7a31d4ed/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:39:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-11-03 02:39:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-11-03 02:39:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2022-11-03 02:39:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2022-11-03 02:39:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:39:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:39:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:39:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:39:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:39:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:39:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-11-03 02:39:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-11-03 02:39:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-11-03 02:39:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-11-03 02:39:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-03 02:39:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-03 02:39:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-11-03 02:39:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-11-03 02:39:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-11-03 02:39:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-11-03 02:39:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-11-03 02:39:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-11-03 02:39:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-11-03 02:39:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-11-03 02:39:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:39:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:39:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-11-03 02:39:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-11-03 02:39:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:39:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:39:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-11-03 02:39:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-11-03 02:39:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-11-03 02:39:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-11-03 02:39:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-11-03 02:39:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-11-03 02:39:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-03 02:39:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-03 02:39:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-11-03 02:39:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-11-03 02:39:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-03 02:39:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-03 02:39:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:39:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:39:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-11-03 02:39:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-11-03 02:39:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-11-03 02:39:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-11-03 02:39:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:39:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:39:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:39:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:39:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-03 02:39:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-11-03 02:39:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-11-03 02:39:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:39:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-03 02:39:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-03 02:39:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-03 02:39:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-03 02:39:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-03 02:39:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-03 02:39:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-11-03 02:39:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-11-03 02:39:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:39:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:39:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:39:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:39:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:39:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-11-03 02:39:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-11-03 02:39:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-11-03 02:39:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-11-03 02:39:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:39:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:39:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:39:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:39:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 02:39:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 02:39:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:39:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:39:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:39:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:39:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:39:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:39:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:39:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:39:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:39:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:39:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:39:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:39:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-11-03 02:39:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-11-03 02:39:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:39:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:39:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:39:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:39:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-11-03 02:39:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-11-03 02:39:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:39:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:39:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 02:39:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 02:39:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-11-03 02:39:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-11-03 02:39:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-03 02:39:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-03 02:39:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-11-03 02:39:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-11-03 02:39:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:39:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 02:39:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 02:39:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 02:39:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 02:39:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-11-03 02:39:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-11-03 02:39:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:39:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-11-03 02:39:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-11-03 02:39:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:39:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:39:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:39:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:39:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:39:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:39:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:39:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-11-03 02:39:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-11-03 02:39:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 02:39:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 02:39:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:39:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:39:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:39:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:39:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 02:39:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 02:39:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-11-03 02:39:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-11-03 02:39:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-11-03 02:39:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-11-03 02:39:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-11-03 02:39:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-11-03 02:39:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 02:39:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 02:39:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-11-03 02:39:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-11-03 02:39:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:39:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:39:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-11-03 02:39:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-11-03 02:39:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:39:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:39:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-03 02:39:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-03 02:39:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-11-03 02:39:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-11-03 02:39:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-11-03 02:39:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-11-03 02:39:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:39:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:39:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-11-03 02:39:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-11-03 02:39:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 02:39:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 02:39:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-11-03 02:39:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-11-03 02:39:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:39:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:39:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:39:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:39:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-11-03 02:39:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-11-03 02:39:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 02:39:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 02:39:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-11-03 02:39:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-11-03 02:39:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-11-03 02:39:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-11-03 02:39:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:39:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:39:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-11-03 02:39:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-11-03 02:39:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-11-03 02:39:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-11-03 02:39:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-11-03 02:39:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-11-03 02:39:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-11-03 02:39:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-11-03 02:39:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-11-03 02:39:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-11-03 02:39:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:39:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:39:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-11-03 02:39:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-11-03 02:39:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:39:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:39:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-11-03 02:39:31,267 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-11-03 02:39:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-03 02:39:31,267 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-03 02:39:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-11-03 02:39:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-11-03 02:39:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-11-03 02:39:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-11-03 02:39:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 02:39:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 02:39:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-11-03 02:39:31,269 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-11-03 02:39:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:39:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-11-03 02:39:31,269 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-11-03 02:39:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-11-03 02:39:31,270 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-11-03 02:39:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-11-03 02:39:31,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-11-03 02:39:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-11-03 02:39:31,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-11-03 02:39:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:39:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-11-03 02:39:31,271 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-11-03 02:39:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-03 02:39:31,272 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-03 02:39:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-11-03 02:39:31,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-11-03 02:39:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:39:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:39:31,273 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:39:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-11-03 02:39:31,273 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-11-03 02:39:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:39:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:39:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-03 02:39:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-03 02:39:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-11-03 02:39:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-11-03 02:39:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-11-03 02:39:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-11-03 02:39:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:39:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:39:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-03 02:39:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-03 02:39:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 02:39:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 02:39:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-11-03 02:39:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-11-03 02:39:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:39:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:39:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-03 02:39:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-03 02:39:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-11-03 02:39:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-11-03 02:39:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-11-03 02:39:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-11-03 02:39:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-11-03 02:39:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-11-03 02:39:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-11-03 02:39:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-11-03 02:39:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 02:39:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 02:39:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 02:39:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 02:39:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:39:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:39:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-11-03 02:39:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-11-03 02:39:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 02:39:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 02:39:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-11-03 02:39:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-11-03 02:39:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:39:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-11-03 02:39:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-11-03 02:39:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:39:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:39:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-11-03 02:39:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-11-03 02:39:31,284 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:39:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:39:31,284 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-11-03 02:39:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-11-03 02:39:31,284 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 02:39:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 02:39:31,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-11-03 02:39:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-11-03 02:39:31,285 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-11-03 02:39:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-11-03 02:39:31,286 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-11-03 02:39:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-11-03 02:39:31,286 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-11-03 02:39:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-11-03 02:39:31,286 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-11-03 02:39:31,287 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-11-03 02:39:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:39:31,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:39:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-11-03 02:39:31,287 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-11-03 02:39:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-11-03 02:39:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-11-03 02:39:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-11-03 02:39:31,294 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-11-03 02:39:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-11-03 02:39:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-11-03 02:39:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-11-03 02:39:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-11-03 02:39:31,296 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-11-03 02:39:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-11-03 02:39:31,296 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-03 02:39:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-03 02:39:31,297 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-11-03 02:39:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-11-03 02:39:31,297 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-11-03 02:39:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-11-03 02:39:31,297 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-03 02:39:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-03 02:39:31,298 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-11-03 02:39:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-11-03 02:39:31,298 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-11-03 02:39:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-11-03 02:39:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-11-03 02:39:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-11-03 02:39:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:39:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:39:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:39:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-03 02:39:33,010 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:39:33,016 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:39:33,633 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:40:13,900 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:40:14,348 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:40:19,333 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:40:19,333 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-03 02:40:19,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:19 BoogieIcfgContainer [2022-11-03 02:40:19,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:40:19,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:40:19,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:40:19,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:40:19,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:39:22" (1/3) ... [2022-11-03 02:40:19,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79128207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:19, skipping insertion in model container [2022-11-03 02:40:19,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29" (2/3) ... [2022-11-03 02:40:19,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79128207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:19, skipping insertion in model container [2022-11-03 02:40:19,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:19" (3/3) ... [2022-11-03 02:40:19,364 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-11-03 02:40:19,393 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:40:19,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:40:19,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:40:19,600 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;@414b8b4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:40:19,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:40:19,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 3043 states, 1909 states have (on average 1.3473022524882137) internal successors, (2572), 1969 states have internal predecessors, (2572), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) [2022-11-03 02:40:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-03 02:40:19,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:19,712 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 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] [2022-11-03 02:40:19,712 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:19,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:19,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1353830328, now seen corresponding path program 1 times [2022-11-03 02:40:19,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:19,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226929072] [2022-11-03 02:40:19,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:19,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2022-11-03 02:40:21,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:21,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226929072] [2022-11-03 02:40:21,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226929072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:21,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:21,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:21,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183117941] [2022-11-03 02:40:21,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:21,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:21,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:21,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:21,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:21,289 INFO L87 Difference]: Start difference. First operand has 3043 states, 1909 states have (on average 1.3473022524882137) internal successors, (2572), 1969 states have internal predecessors, (2572), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-03 02:40:23,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:31,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:31,623 INFO L93 Difference]: Finished difference Result 8398 states and 12822 transitions. [2022-11-03 02:40:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:31,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 199 [2022-11-03 02:40:31,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:31,743 INFO L225 Difference]: With dead ends: 8398 [2022-11-03 02:40:31,743 INFO L226 Difference]: Without dead ends: 5331 [2022-11-03 02:40:31,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:31,799 INFO L413 NwaCegarLoop]: 4743 mSDtfsCounter, 3541 mSDsluCounter, 4406 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 8624 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:31,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3541 Valid, 8624 Invalid, 1149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 1131 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2022-11-03 02:40:31,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5331 states. [2022-11-03 02:40:32,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5331 to 5328. [2022-11-03 02:40:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5328 states, 3330 states have (on average 1.3396396396396397) internal successors, (4461), 3409 states have internal predecessors, (4461), 1720 states have call successors, (1720), 277 states have call predecessors, (1720), 277 states have return successors, (1720), 1694 states have call predecessors, (1720), 1720 states have call successors, (1720) [2022-11-03 02:40:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5328 states to 5328 states and 7901 transitions. [2022-11-03 02:40:32,453 INFO L78 Accepts]: Start accepts. Automaton has 5328 states and 7901 transitions. Word has length 199 [2022-11-03 02:40:32,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:32,459 INFO L495 AbstractCegarLoop]: Abstraction has 5328 states and 7901 transitions. [2022-11-03 02:40:32,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-03 02:40:32,460 INFO L276 IsEmpty]: Start isEmpty. Operand 5328 states and 7901 transitions. [2022-11-03 02:40:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-03 02:40:32,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:32,495 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 3, 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] [2022-11-03 02:40:32,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:40:32,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:32,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:32,497 INFO L85 PathProgramCache]: Analyzing trace with hash 474535166, now seen corresponding path program 1 times [2022-11-03 02:40:32,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:32,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833234314] [2022-11-03 02:40:32,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:32,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2022-11-03 02:40:33,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:33,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833234314] [2022-11-03 02:40:33,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833234314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:33,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:33,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:33,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947702256] [2022-11-03 02:40:33,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:33,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:33,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:33,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:33,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:33,324 INFO L87 Difference]: Start difference. First operand 5328 states and 7901 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-03 02:40:35,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:43,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:43,820 INFO L93 Difference]: Finished difference Result 15652 states and 23509 transitions. [2022-11-03 02:40:43,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:43,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 227 [2022-11-03 02:40:43,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:43,943 INFO L225 Difference]: With dead ends: 15652 [2022-11-03 02:40:43,943 INFO L226 Difference]: Without dead ends: 10355 [2022-11-03 02:40:44,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:44,006 INFO L413 NwaCegarLoop]: 4871 mSDtfsCounter, 4242 mSDsluCounter, 4430 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4242 SdHoareTripleChecker+Valid, 8777 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:44,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4242 Valid, 8777 Invalid, 1082 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1075 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-11-03 02:40:44,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10355 states. [2022-11-03 02:40:45,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10355 to 10349. [2022-11-03 02:40:45,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10349 states, 6464 states have (on average 1.3405012376237624) internal successors, (8665), 6627 states have internal predecessors, (8665), 3335 states have call successors, (3335), 552 states have call predecessors, (3335), 549 states have return successors, (3643), 3275 states have call predecessors, (3643), 3335 states have call successors, (3643) [2022-11-03 02:40:45,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10349 states to 10349 states and 15643 transitions. [2022-11-03 02:40:45,303 INFO L78 Accepts]: Start accepts. Automaton has 10349 states and 15643 transitions. Word has length 227 [2022-11-03 02:40:45,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:45,304 INFO L495 AbstractCegarLoop]: Abstraction has 10349 states and 15643 transitions. [2022-11-03 02:40:45,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-03 02:40:45,305 INFO L276 IsEmpty]: Start isEmpty. Operand 10349 states and 15643 transitions. [2022-11-03 02:40:45,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-11-03 02:40:45,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:45,329 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:45,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:40:45,329 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:45,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:45,341 INFO L85 PathProgramCache]: Analyzing trace with hash 420386674, now seen corresponding path program 1 times [2022-11-03 02:40:45,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:45,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139146152] [2022-11-03 02:40:45,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:45,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:46,045 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-11-03 02:40:46,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:46,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139146152] [2022-11-03 02:40:46,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139146152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:46,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:46,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:46,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183878251] [2022-11-03 02:40:46,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:46,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:46,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:46,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:46,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:46,054 INFO L87 Difference]: Start difference. First operand 10349 states and 15643 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 02:40:48,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:56,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:56,185 INFO L93 Difference]: Finished difference Result 30877 states and 46663 transitions. [2022-11-03 02:40:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:56,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 231 [2022-11-03 02:40:56,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:56,511 INFO L225 Difference]: With dead ends: 30877 [2022-11-03 02:40:56,511 INFO L226 Difference]: Without dead ends: 20559 [2022-11-03 02:40:56,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:56,615 INFO L413 NwaCegarLoop]: 4799 mSDtfsCounter, 4297 mSDsluCounter, 4361 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4297 SdHoareTripleChecker+Valid, 8641 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:56,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4297 Valid, 8641 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1098 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-11-03 02:40:56,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20559 states. [2022-11-03 02:40:58,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20559 to 20557. [2022-11-03 02:40:58,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20557 states, 12843 states have (on average 1.3390173635443432) internal successors, (17197), 13169 states have internal predecessors, (17197), 6615 states have call successors, (6615), 1104 states have call predecessors, (6615), 1098 states have return successors, (7233), 6495 states have call predecessors, (7233), 6615 states have call successors, (7233) [2022-11-03 02:40:58,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20557 states to 20557 states and 31045 transitions. [2022-11-03 02:40:58,441 INFO L78 Accepts]: Start accepts. Automaton has 20557 states and 31045 transitions. Word has length 231 [2022-11-03 02:40:58,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:58,442 INFO L495 AbstractCegarLoop]: Abstraction has 20557 states and 31045 transitions. [2022-11-03 02:40:58,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 02:40:58,443 INFO L276 IsEmpty]: Start isEmpty. Operand 20557 states and 31045 transitions. [2022-11-03 02:40:58,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-03 02:40:58,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:58,477 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:58,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:40:58,478 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:58,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:58,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1433819076, now seen corresponding path program 1 times [2022-11-03 02:40:58,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:58,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9852992] [2022-11-03 02:40:58,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:58,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-11-03 02:40:59,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:59,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9852992] [2022-11-03 02:40:59,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9852992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:59,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:59,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:59,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912791106] [2022-11-03 02:40:59,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:59,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:59,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:59,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:59,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:59,355 INFO L87 Difference]: Start difference. First operand 20557 states and 31045 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 02:41:01,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:09,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:09,589 INFO L93 Difference]: Finished difference Result 61393 states and 92695 transitions. [2022-11-03 02:41:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:41:09,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 232 [2022-11-03 02:41:09,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:10,144 INFO L225 Difference]: With dead ends: 61393 [2022-11-03 02:41:10,144 INFO L226 Difference]: Without dead ends: 40867 [2022-11-03 02:41:10,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:41:10,308 INFO L413 NwaCegarLoop]: 4799 mSDtfsCounter, 4296 mSDsluCounter, 4361 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4296 SdHoareTripleChecker+Valid, 8641 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:10,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4296 Valid, 8641 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1098 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-11-03 02:41:10,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40867 states. [2022-11-03 02:41:13,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40867 to 40865. [2022-11-03 02:41:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40865 states, 25533 states have (on average 1.337288998550895) internal successors, (34145), 26185 states have internal predecessors, (34145), 13135 states have call successors, (13135), 2208 states have call predecessors, (13135), 2196 states have return successors, (14375), 12895 states have call predecessors, (14375), 13135 states have call successors, (14375) [2022-11-03 02:41:13,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40865 states to 40865 states and 61655 transitions. [2022-11-03 02:41:13,905 INFO L78 Accepts]: Start accepts. Automaton has 40865 states and 61655 transitions. Word has length 232 [2022-11-03 02:41:13,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:13,906 INFO L495 AbstractCegarLoop]: Abstraction has 40865 states and 61655 transitions. [2022-11-03 02:41:13,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 02:41:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 40865 states and 61655 transitions. [2022-11-03 02:41:13,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-03 02:41:13,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:13,932 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:13,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:41:13,932 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:13,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:13,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1156625612, now seen corresponding path program 1 times [2022-11-03 02:41:13,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:13,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985211867] [2022-11-03 02:41:13,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:13,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-11-03 02:41:14,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:14,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985211867] [2022-11-03 02:41:14,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985211867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:14,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:14,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:41:14,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185692593] [2022-11-03 02:41:14,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:14,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:41:14,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:14,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:41:14,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:14,954 INFO L87 Difference]: Start difference. First operand 40865 states and 61655 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 02:41:17,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:46,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:46,991 INFO L93 Difference]: Finished difference Result 156087 states and 235158 transitions. [2022-11-03 02:41:46,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:41:46,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 233 [2022-11-03 02:41:46,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:48,172 INFO L225 Difference]: With dead ends: 156087 [2022-11-03 02:41:48,173 INFO L226 Difference]: Without dead ends: 115253 [2022-11-03 02:41:48,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:48,535 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 10719 mSDsluCounter, 9205 mSDsCounter, 0 mSdLazyCounter, 6885 mSolverCounterSat, 2078 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10899 SdHoareTripleChecker+Valid, 13195 SdHoareTripleChecker+Invalid, 8964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2078 IncrementalHoareTripleChecker+Valid, 6885 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:48,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10899 Valid, 13195 Invalid, 8964 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2078 Valid, 6885 Invalid, 1 Unknown, 0 Unchecked, 26.9s Time] [2022-11-03 02:41:48,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115253 states. [2022-11-03 02:41:56,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115253 to 115161. [2022-11-03 02:41:56,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115161 states, 71961 states have (on average 1.3356818276566473) internal successors, (96117), 73821 states have internal predecessors, (96117), 36887 states have call successors, (36887), 6346 states have call predecessors, (36887), 6312 states have return successors, (40343), 36205 states have call predecessors, (40343), 36887 states have call successors, (40343) [2022-11-03 02:41:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115161 states to 115161 states and 173347 transitions. [2022-11-03 02:41:58,335 INFO L78 Accepts]: Start accepts. Automaton has 115161 states and 173347 transitions. Word has length 233 [2022-11-03 02:41:58,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:58,341 INFO L495 AbstractCegarLoop]: Abstraction has 115161 states and 173347 transitions. [2022-11-03 02:41:58,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 02:41:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 115161 states and 173347 transitions. [2022-11-03 02:41:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-03 02:41:58,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:58,361 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 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] [2022-11-03 02:41:58,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:41:58,361 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:58,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:58,362 INFO L85 PathProgramCache]: Analyzing trace with hash -687134285, now seen corresponding path program 1 times [2022-11-03 02:41:58,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:58,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755432933] [2022-11-03 02:41:58,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:58,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-03 02:41:58,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:58,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755432933] [2022-11-03 02:41:58,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755432933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:58,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:58,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:41:58,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427445354] [2022-11-03 02:41:58,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:58,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:41:58,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:58,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:41:58,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:41:58,991 INFO L87 Difference]: Start difference. First operand 115161 states and 173347 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 02:42:01,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:09,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:18,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:18,861 INFO L93 Difference]: Finished difference Result 278241 states and 418715 transitions. [2022-11-03 02:42:18,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:18,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 242 [2022-11-03 02:42:18,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:20,515 INFO L225 Difference]: With dead ends: 278241 [2022-11-03 02:42:20,516 INFO L226 Difference]: Without dead ends: 163111 [2022-11-03 02:42:21,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:21,314 INFO L413 NwaCegarLoop]: 6932 mSDtfsCounter, 3500 mSDsluCounter, 4344 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3500 SdHoareTripleChecker+Valid, 10752 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:21,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3500 Valid, 10752 Invalid, 1554 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [15 Valid, 1538 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2022-11-03 02:42:21,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163111 states.