./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-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:46:33,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:46:33,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:46:33,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:46:33,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:46:33,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:46:33,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:46:33,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:46:33,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:46:33,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:46:33,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:46:33,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:46:33,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:46:33,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:46:33,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:46:33,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:46:33,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:46:33,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:46:33,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:46:33,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:46:33,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:46:33,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:46:33,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:46:33,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:46:33,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:46:33,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:46:33,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:46:33,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:46:33,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:46:33,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:46:33,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:46:33,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:46:33,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:46:33,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:46:33,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:46:33,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:46:33,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:46:33,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:46:33,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:46:33,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:46:33,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:46:33,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:46:33,550 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:46:33,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:46:33,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:46:33,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:46:33,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:46:33,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:46:33,553 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:46:33,553 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:46:33,553 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:46:33,554 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:46:33,555 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:46:33,555 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:46:33,555 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:46:33,555 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:46:33,556 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:46:33,556 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:46:33,556 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:46:33,556 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:46:33,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:46:33,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:46:33,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:46:33,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:46:33,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:46:33,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:46:33,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:46:33,559 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:46:33,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:46:33,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:46:33,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:46:33,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:46:33,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:46:33,560 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:46:33,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:46:33,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:46:33,561 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:46:33,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:46:33,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:46:33,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:46:33,562 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_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 [2022-11-22 01:46:33,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:46:33,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:46:33,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:46:33,912 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:46:33,913 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:46:33,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-22 01:46:37,010 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:46:37,786 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:46:37,786 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-22 01:46:37,847 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/data/b5d877a9d/bccfcd4dec854ac99e4b9a2567a7f19a/FLAG908711b31 [2022-11-22 01:46:37,869 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/data/b5d877a9d/bccfcd4dec854ac99e4b9a2567a7f19a [2022-11-22 01:46:37,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:46:37,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:46:37,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:46:37,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:46:37,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:46:37,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:46:37" (1/1) ... [2022-11-22 01:46:37,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fdab26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:37, skipping insertion in model container [2022-11-22 01:46:37,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:46:37" (1/1) ... [2022-11-22 01:46:37,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:46:38,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:46:43,867 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-11-22 01:46:43,873 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-11-22 01:46:43,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:46:43,975 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:46:44,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-11-22 01:46:44,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-11-22 01:46:44,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:46:45,029 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:46:45,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45 WrapperNode [2022-11-22 01:46:45,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:46:45,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:46:45,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:46:45,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:46:45,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (1/1) ... [2022-11-22 01:46:45,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (1/1) ... [2022-11-22 01:46:45,544 INFO L138 Inliner]: procedures = 696, calls = 4163, calls flagged for inlining = 369, calls inlined = 343, statements flattened = 10365 [2022-11-22 01:46:45,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:46:45,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:46:45,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:46:45,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:46:45,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (1/1) ... [2022-11-22 01:46:45,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (1/1) ... [2022-11-22 01:46:45,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (1/1) ... [2022-11-22 01:46:45,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (1/1) ... [2022-11-22 01:46:45,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (1/1) ... [2022-11-22 01:46:45,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (1/1) ... [2022-11-22 01:46:46,010 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (1/1) ... [2022-11-22 01:46:46,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (1/1) ... [2022-11-22 01:46:46,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:46:46,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:46:46,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:46:46,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:46:46,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (1/1) ... [2022-11-22 01:46:46,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:46:46,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:46:46,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:46:46,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f67887-fb9f-453c-9879-1b6c9492e838/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:46:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 01:46:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 01:46:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-22 01:46:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-22 01:46:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-11-22 01:46:46,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-11-22 01:46:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-22 01:46:46,219 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-22 01:46:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-11-22 01:46:46,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-11-22 01:46:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 01:46:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 01:46:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:46:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:46:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-22 01:46:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-22 01:46:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:46:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:46:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-11-22 01:46:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-11-22 01:46:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 01:46:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 01:46:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 01:46:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 01:46:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:46:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:46:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-11-22 01:46:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-11-22 01:46:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:46:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:46:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-11-22 01:46:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-11-22 01:46:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-11-22 01:46:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-11-22 01:46:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-11-22 01:46:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-11-22 01:46:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 01:46:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 01:46:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:46:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:46:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 01:46:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 01:46:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 01:46:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 01:46:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 01:46:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 01:46:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:46:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:46:46,229 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 01:46:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 01:46:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-22 01:46:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-22 01:46:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 01:46:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 01:46:46,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:46:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 01:46:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 01:46:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-11-22 01:46:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-11-22 01:46:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-22 01:46:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-22 01:46:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 01:46:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 01:46:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-11-22 01:46:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-11-22 01:46:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:46:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:46:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_110 [2022-11-22 01:46:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_110 [2022-11-22 01:46:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-11-22 01:46:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-11-22 01:46:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:46:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-11-22 01:46:46,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-11-22 01:46:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-11-22 01:46:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-11-22 01:46:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-11-22 01:46:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-11-22 01:46:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:46:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:46:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:46:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:46:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-11-22 01:46:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-11-22 01:46:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:46:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:46:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:46:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:46:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 01:46:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 01:46:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 01:46:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 01:46:46,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:46:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:46:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 01:46:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 01:46:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-22 01:46:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-22 01:46:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:46:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:46:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:46:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:46:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 01:46:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 01:46:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:46:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:46:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-11-22 01:46:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-11-22 01:46:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:46:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 01:46:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 01:46:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 01:46:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 01:46:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 01:46:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 01:46:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-22 01:46:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-22 01:46:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:46:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 01:46:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 01:46:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:46:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:46:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 01:46:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 01:46:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:46:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-11-22 01:46:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-11-22 01:46:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-22 01:46:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-22 01:46:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:46:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:46:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:46:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 01:46:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 01:46:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:46:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:46:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:46:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:46:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 01:46:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 01:46:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-22 01:46:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-22 01:46:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-11-22 01:46:46,261 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-11-22 01:46:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-11-22 01:46:46,261 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-11-22 01:46:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 01:46:46,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 01:46:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 01:46:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 01:46:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:46:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:46:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-11-22 01:46:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-11-22 01:46:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 01:46:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 01:46:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-11-22 01:46:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-11-22 01:46:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-22 01:46:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-22 01:46:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-11-22 01:46:46,264 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-11-22 01:46:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-11-22 01:46:46,264 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-11-22 01:46:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-11-22 01:46:46,265 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-11-22 01:46:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 01:46:46,265 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 01:46:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:46:46,265 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:46:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-11-22 01:46:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-11-22 01:46:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-11-22 01:46:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-11-22 01:46:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-11-22 01:46:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-11-22 01:46:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-11-22 01:46:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-11-22 01:46:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:46:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:46:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-22 01:46:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-22 01:46:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-22 01:46:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-22 01:46:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:46:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:46:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:46:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:46:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:46:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:46:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:46:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:46:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:46:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:46:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-11-22 01:46:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-11-22 01:46:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 01:46:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 01:46:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 01:46:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 01:46:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-11-22 01:46:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-11-22 01:46:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-11-22 01:46:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-11-22 01:46:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-22 01:46:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-22 01:46:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-22 01:46:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-22 01:46:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 01:46:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 01:46:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-11-22 01:46:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-11-22 01:46:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-11-22 01:46:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-11-22 01:46:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 01:46:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 01:46:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:46:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:46:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-11-22 01:46:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-11-22 01:46:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 01:46:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 01:46:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-11-22 01:46:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-11-22 01:46:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 01:46:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 01:46:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 01:46:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 01:46:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:46:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 01:46:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 01:46:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-11-22 01:46:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-11-22 01:46:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_118 [2022-11-22 01:46:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_118 [2022-11-22 01:46:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-11-22 01:46:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-11-22 01:46:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 01:46:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 01:46:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:46:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-11-22 01:46:46,282 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-11-22 01:46:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-22 01:46:46,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-22 01:46:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-11-22 01:46:46,283 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-11-22 01:46:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2022-11-22 01:46:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2022-11-22 01:46:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:46:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:46:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:46:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 01:46:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 01:46:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-11-22 01:46:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-11-22 01:46:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 01:46:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 01:46:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-22 01:46:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-22 01:46:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-11-22 01:46:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-11-22 01:46:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 01:46:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 01:46:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:46:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:46:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:46:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:46:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-11-22 01:46:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-11-22 01:46:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-22 01:46:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-22 01:46:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-11-22 01:46:46,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-11-22 01:46:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-11-22 01:46:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-11-22 01:46:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-11-22 01:46:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-11-22 01:46:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 01:46:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 01:46:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:46:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:46:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-22 01:46:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-22 01:46:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-22 01:46:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-22 01:46:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-22 01:46:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-22 01:46:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-11-22 01:46:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-11-22 01:46:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:46:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:46:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-11-22 01:46:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-11-22 01:46:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-11-22 01:46:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-11-22 01:46:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-22 01:46:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-22 01:46:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:46:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:46:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-11-22 01:46:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-11-22 01:46:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-11-22 01:46:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-11-22 01:46:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:46:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:46:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:46:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 01:46:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 01:46:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 01:46:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 01:46:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-11-22 01:46:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-11-22 01:46:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-22 01:46:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-22 01:46:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-11-22 01:46:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-11-22 01:46:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-11-22 01:46:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-11-22 01:46:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-22 01:46:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-22 01:46:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-11-22 01:46:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-11-22 01:46:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:46:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:46:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-22 01:46:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-22 01:46:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 01:46:46,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 01:46:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-11-22 01:46:46,297 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-11-22 01:46:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-11-22 01:46:46,297 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-11-22 01:46:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-22 01:46:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-22 01:46:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-22 01:46:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-22 01:46:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 01:46:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 01:46:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-11-22 01:46:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-11-22 01:46:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:46:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:46:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:46:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_109 [2022-11-22 01:46:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_109 [2022-11-22 01:46:47,806 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:46:47,816 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:46:48,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:47:00,613 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 01:47:01,178 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:47:04,588 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:47:04,588 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:47:04,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:47:04 BoogieIcfgContainer [2022-11-22 01:47:04,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:47:04,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:47:04,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:47:04,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:47:04,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:46:37" (1/3) ... [2022-11-22 01:47:04,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37de792f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:47:04, skipping insertion in model container [2022-11-22 01:47:04,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:46:45" (2/3) ... [2022-11-22 01:47:04,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37de792f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:47:04, skipping insertion in model container [2022-11-22 01:47:04,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:47:04" (3/3) ... [2022-11-22 01:47:04,602 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-22 01:47:04,622 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:47:04,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:47:04,750 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:47:04,757 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;@564ab1f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:47:04,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:47:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 3199 states, 1890 states have (on average 1.265079365079365) internal successors, (2391), 1927 states have internal predecessors, (2391), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) [2022-11-22 01:47:04,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-22 01:47:04,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:47:04,833 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:47:04,834 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:47:04,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:47:04,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1014206776, now seen corresponding path program 1 times [2022-11-22 01:47:04,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:47:04,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594407345] [2022-11-22 01:47:04,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:47:04,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:47:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:47:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-22 01:47:05,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:47:05,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594407345] [2022-11-22 01:47:05,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594407345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:47:05,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:47:05,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:47:05,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261956481] [2022-11-22 01:47:05,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:47:05,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:47:05,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:47:05,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:47:05,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:05,991 INFO L87 Difference]: Start difference. First operand has 3199 states, 1890 states have (on average 1.265079365079365) internal successors, (2391), 1927 states have internal predecessors, (2391), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 01:47:08,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:11,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:15,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:16,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:47:16,309 INFO L93 Difference]: Finished difference Result 9162 states and 13460 transitions. [2022-11-22 01:47:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:47:16,311 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 215 [2022-11-22 01:47:16,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:47:16,362 INFO L225 Difference]: With dead ends: 9162 [2022-11-22 01:47:16,362 INFO L226 Difference]: Without dead ends: 5930 [2022-11-22 01:47:16,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:16,384 INFO L413 NwaCegarLoop]: 5224 mSDtfsCounter, 4073 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4073 SdHoareTripleChecker+Valid, 9321 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:47:16,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4073 Valid, 9321 Invalid, 1115 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1095 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-11-22 01:47:16,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5930 states. [2022-11-22 01:47:16,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5930 to 5927. [2022-11-22 01:47:16,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5927 states, 3542 states have (on average 1.258610954263128) internal successors, (4458), 3608 states have internal predecessors, (4458), 2070 states have call successors, (2070), 314 states have call predecessors, (2070), 314 states have return successors, (2070), 2054 states have call predecessors, (2070), 2070 states have call successors, (2070) [2022-11-22 01:47:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5927 states to 5927 states and 8598 transitions. [2022-11-22 01:47:17,015 INFO L78 Accepts]: Start accepts. Automaton has 5927 states and 8598 transitions. Word has length 215 [2022-11-22 01:47:17,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:47:17,019 INFO L495 AbstractCegarLoop]: Abstraction has 5927 states and 8598 transitions. [2022-11-22 01:47:17,019 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 01:47:17,019 INFO L276 IsEmpty]: Start isEmpty. Operand 5927 states and 8598 transitions. [2022-11-22 01:47:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-22 01:47:17,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:47:17,031 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:47:17,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:47:17,034 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:47:17,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:47:17,035 INFO L85 PathProgramCache]: Analyzing trace with hash 421245714, now seen corresponding path program 1 times [2022-11-22 01:47:17,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:47:17,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511395122] [2022-11-22 01:47:17,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:47:17,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:47:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:47:17,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-22 01:47:17,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:47:17,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511395122] [2022-11-22 01:47:17,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511395122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:47:17,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:47:17,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:47:17,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150563709] [2022-11-22 01:47:17,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:47:17,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:47:17,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:47:17,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:47:17,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:17,662 INFO L87 Difference]: Start difference. First operand 5927 states and 8598 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 01:47:20,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:25,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:26,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:47:26,120 INFO L93 Difference]: Finished difference Result 17345 states and 25143 transitions. [2022-11-22 01:47:26,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:47:26,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 216 [2022-11-22 01:47:26,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:47:26,206 INFO L225 Difference]: With dead ends: 17345 [2022-11-22 01:47:26,206 INFO L226 Difference]: Without dead ends: 11453 [2022-11-22 01:47:26,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:26,240 INFO L413 NwaCegarLoop]: 5722 mSDtfsCounter, 4258 mSDsluCounter, 4015 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4258 SdHoareTripleChecker+Valid, 9737 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:47:26,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4258 Valid, 9737 Invalid, 1237 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1207 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-22 01:47:26,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11453 states. [2022-11-22 01:47:27,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11453 to 11447. [2022-11-22 01:47:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11447 states, 6836 states have (on average 1.2504388531304858) internal successors, (8548), 6955 states have internal predecessors, (8548), 3994 states have call successors, (3994), 616 states have call predecessors, (3994), 616 states have return successors, (3994), 3968 states have call predecessors, (3994), 3994 states have call successors, (3994) [2022-11-22 01:47:27,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11447 states to 11447 states and 16536 transitions. [2022-11-22 01:47:27,270 INFO L78 Accepts]: Start accepts. Automaton has 11447 states and 16536 transitions. Word has length 216 [2022-11-22 01:47:27,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:47:27,271 INFO L495 AbstractCegarLoop]: Abstraction has 11447 states and 16536 transitions. [2022-11-22 01:47:27,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 01:47:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 11447 states and 16536 transitions. [2022-11-22 01:47:27,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-11-22 01:47:27,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:47:27,285 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 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] [2022-11-22 01:47:27,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:47:27,286 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:47:27,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:47:27,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1444795007, now seen corresponding path program 1 times [2022-11-22 01:47:27,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:47:27,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418116717] [2022-11-22 01:47:27,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:47:27,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:47:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:47:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-11-22 01:47:27,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:47:27,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418116717] [2022-11-22 01:47:27,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418116717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:47:27,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:47:27,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:47:27,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849705922] [2022-11-22 01:47:27,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:47:27,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:47:27,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:47:27,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:47:27,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:27,713 INFO L87 Difference]: Start difference. First operand 11447 states and 16536 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 01:47:30,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:33,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:36,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:37,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:47:37,004 INFO L93 Difference]: Finished difference Result 31006 states and 44584 transitions. [2022-11-22 01:47:37,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:47:37,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 231 [2022-11-22 01:47:37,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:47:37,139 INFO L225 Difference]: With dead ends: 31006 [2022-11-22 01:47:37,139 INFO L226 Difference]: Without dead ends: 19594 [2022-11-22 01:47:37,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:37,197 INFO L413 NwaCegarLoop]: 4883 mSDtfsCounter, 3325 mSDsluCounter, 4014 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 8897 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:47:37,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 8897 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1070 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-11-22 01:47:37,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19594 states. [2022-11-22 01:47:38,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19594 to 19587. [2022-11-22 01:47:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19587 states, 11654 states have (on average 1.2430066929809507) internal successors, (14486), 11862 states have internal predecessors, (14486), 6793 states have call successors, (6793), 1142 states have call predecessors, (6793), 1139 states have return successors, (6795), 6738 states have call predecessors, (6795), 6793 states have call successors, (6795) [2022-11-22 01:47:38,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19587 states to 19587 states and 28074 transitions. [2022-11-22 01:47:38,772 INFO L78 Accepts]: Start accepts. Automaton has 19587 states and 28074 transitions. Word has length 231 [2022-11-22 01:47:38,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:47:38,774 INFO L495 AbstractCegarLoop]: Abstraction has 19587 states and 28074 transitions. [2022-11-22 01:47:38,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 01:47:38,775 INFO L276 IsEmpty]: Start isEmpty. Operand 19587 states and 28074 transitions. [2022-11-22 01:47:38,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-22 01:47:38,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:47:38,784 INFO L195 NwaCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:47:38,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:47:38,784 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:47:38,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:47:38,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1065297053, now seen corresponding path program 1 times [2022-11-22 01:47:38,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:47:38,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600714661] [2022-11-22 01:47:38,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:47:38,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:47:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:47:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-11-22 01:47:39,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:47:39,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600714661] [2022-11-22 01:47:39,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600714661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:47:39,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:47:39,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:47:39,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642523336] [2022-11-22 01:47:39,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:47:39,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:47:39,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:47:39,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:47:39,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:39,209 INFO L87 Difference]: Start difference. First operand 19587 states and 28074 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, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-22 01:47:46,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:47,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:47:47,318 INFO L93 Difference]: Finished difference Result 56570 states and 81039 transitions. [2022-11-22 01:47:47,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:47:47,319 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, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 236 [2022-11-22 01:47:47,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:47:47,509 INFO L225 Difference]: With dead ends: 56570 [2022-11-22 01:47:47,509 INFO L226 Difference]: Without dead ends: 37018 [2022-11-22 01:47:47,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:47,587 INFO L413 NwaCegarLoop]: 6394 mSDtfsCounter, 4444 mSDsluCounter, 4049 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4444 SdHoareTripleChecker+Valid, 10443 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:47:47,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4444 Valid, 10443 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1264 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-11-22 01:47:47,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37018 states. [2022-11-22 01:47:50,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37018 to 37000. [2022-11-22 01:47:50,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37000 states, 22060 states have (on average 1.24143245693563) internal successors, (27386), 22469 states have internal predecessors, (27386), 12765 states have call successors, (12765), 2180 states have call predecessors, (12765), 2174 states have return successors, (12769), 12648 states have call predecessors, (12769), 12765 states have call successors, (12769) [2022-11-22 01:47:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37000 states to 37000 states and 52920 transitions. [2022-11-22 01:47:50,411 INFO L78 Accepts]: Start accepts. Automaton has 37000 states and 52920 transitions. Word has length 236 [2022-11-22 01:47:50,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:47:50,412 INFO L495 AbstractCegarLoop]: Abstraction has 37000 states and 52920 transitions. [2022-11-22 01:47:50,412 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, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-22 01:47:50,412 INFO L276 IsEmpty]: Start isEmpty. Operand 37000 states and 52920 transitions. [2022-11-22 01:47:50,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-22 01:47:50,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:47:50,425 INFO L195 NwaCegarLoop]: trace histogram [20, 17, 17, 17, 17, 17, 17, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:47:50,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:47:50,426 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:47:50,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:47:50,426 INFO L85 PathProgramCache]: Analyzing trace with hash -559521250, now seen corresponding path program 1 times [2022-11-22 01:47:50,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:47:50,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262738843] [2022-11-22 01:47:50,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:47:50,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:47:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:47:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2022-11-22 01:47:50,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:47:50,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262738843] [2022-11-22 01:47:50,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262738843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:47:50,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:47:50,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:47:50,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059972289] [2022-11-22 01:47:50,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:47:50,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:47:50,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:47:50,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:47:50,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:50,801 INFO L87 Difference]: Start difference. First operand 37000 states and 52920 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-22 01:47:54,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:58,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:59,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:47:59,288 INFO L93 Difference]: Finished difference Result 74526 states and 106435 transitions. [2022-11-22 01:47:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:47:59,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 253 [2022-11-22 01:47:59,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:47:59,485 INFO L225 Difference]: With dead ends: 74526 [2022-11-22 01:47:59,485 INFO L226 Difference]: Without dead ends: 37561 [2022-11-22 01:47:59,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:59,610 INFO L413 NwaCegarLoop]: 4172 mSDtfsCounter, 567 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 8212 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:47:59,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 8212 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1047 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-22 01:47:59,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37561 states. [2022-11-22 01:48:02,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37561 to 37561. [2022-11-22 01:48:02,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37561 states, 22416 states have (on average 1.2398733047822983) internal successors, (27793), 22828 states have internal predecessors, (27793), 12882 states have call successors, (12882), 2268 states have call predecessors, (12882), 2262 states have return successors, (12886), 12765 states have call predecessors, (12886), 12882 states have call successors, (12886) [2022-11-22 01:48:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37561 states to 37561 states and 53561 transitions. [2022-11-22 01:48:02,820 INFO L78 Accepts]: Start accepts. Automaton has 37561 states and 53561 transitions. Word has length 253 [2022-11-22 01:48:02,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:48:02,821 INFO L495 AbstractCegarLoop]: Abstraction has 37561 states and 53561 transitions. [2022-11-22 01:48:02,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-22 01:48:02,822 INFO L276 IsEmpty]: Start isEmpty. Operand 37561 states and 53561 transitions. [2022-11-22 01:48:02,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-22 01:48:02,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:48:02,832 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:48:02,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:48:02,832 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:48:02,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:48:02,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1920130107, now seen corresponding path program 1 times [2022-11-22 01:48:02,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:48:02,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975525201] [2022-11-22 01:48:02,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:02,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:48:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:48:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2022-11-22 01:48:03,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:48:03,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975525201] [2022-11-22 01:48:03,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975525201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:48:03,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:48:03,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:48:03,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488319976] [2022-11-22 01:48:03,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:48:03,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:48:03,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:48:03,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:48:03,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:48:03,467 INFO L87 Difference]: Start difference. First operand 37561 states and 53561 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-22 01:48:10,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:13,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:14,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:48:14,805 INFO L93 Difference]: Finished difference Result 90829 states and 129598 transitions. [2022-11-22 01:48:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:48:14,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 264 [2022-11-22 01:48:14,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:48:15,113 INFO L225 Difference]: With dead ends: 90829 [2022-11-22 01:48:15,113 INFO L226 Difference]: Without dead ends: 53736 [2022-11-22 01:48:15,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:48:15,415 INFO L413 NwaCegarLoop]: 6310 mSDtfsCounter, 4000 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4000 SdHoareTripleChecker+Valid, 10335 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:48:15,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4000 Valid, 10335 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1320 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-11-22 01:48:15,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53736 states. [2022-11-22 01:48:18,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53736 to 53726. [2022-11-22 01:48:18,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53726 states, 32104 states have (on average 1.2389421878893596) internal successors, (39775), 32685 states have internal predecessors, (39775), 18362 states have call successors, (18362), 3267 states have call predecessors, (18362), 3259 states have return successors, (18368), 18192 states have call predecessors, (18368), 18362 states have call successors, (18368) [2022-11-22 01:48:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53726 states to 53726 states and 76505 transitions. [2022-11-22 01:48:18,520 INFO L78 Accepts]: Start accepts. Automaton has 53726 states and 76505 transitions. Word has length 264 [2022-11-22 01:48:18,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:48:18,521 INFO L495 AbstractCegarLoop]: Abstraction has 53726 states and 76505 transitions. [2022-11-22 01:48:18,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-22 01:48:18,521 INFO L276 IsEmpty]: Start isEmpty. Operand 53726 states and 76505 transitions. [2022-11-22 01:48:18,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-11-22 01:48:18,546 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:48:18,547 INFO L195 NwaCegarLoop]: trace histogram [23, 17, 17, 17, 17, 17, 17, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:48:18,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:48:18,547 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:48:18,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:48:18,548 INFO L85 PathProgramCache]: Analyzing trace with hash -2140871168, now seen corresponding path program 1 times [2022-11-22 01:48:18,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:48:18,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356233345] [2022-11-22 01:48:18,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:18,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:48:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:48:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1361 trivial. 0 not checked. [2022-11-22 01:48:19,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:48:19,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356233345] [2022-11-22 01:48:19,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356233345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:48:19,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:48:19,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:48:19,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337578239] [2022-11-22 01:48:19,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:48:19,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:48:19,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:48:19,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:48:19,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:48:19,239 INFO L87 Difference]: Start difference. First operand 53726 states and 76505 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-22 01:48:23,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:25,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:30,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:32,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:48:32,467 INFO L93 Difference]: Finished difference Result 131561 states and 187454 transitions. [2022-11-22 01:48:32,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:48:32,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 297 [2022-11-22 01:48:32,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:48:32,913 INFO L225 Difference]: With dead ends: 131561 [2022-11-22 01:48:32,913 INFO L226 Difference]: Without dead ends: 78303 [2022-11-22 01:48:33,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:48:33,040 INFO L413 NwaCegarLoop]: 7974 mSDtfsCounter, 4443 mSDsluCounter, 4047 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4443 SdHoareTripleChecker+Valid, 12021 SdHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:48:33,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4443 Valid, 12021 Invalid, 1569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1558 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2022-11-22 01:48:33,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78303 states. [2022-11-22 01:48:36,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78303 to 78277. [2022-11-22 01:48:36,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78277 states, 46799 states have (on average 1.2387871535716575) internal successors, (57974), 47660 states have internal predecessors, (57974), 26715 states have call successors, (26715), 4774 states have call predecessors, (26715), 4762 states have return successors, (26724), 26455 states have call predecessors, (26724), 26715 states have call successors, (26724) [2022-11-22 01:48:36,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78277 states to 78277 states and 111413 transitions. [2022-11-22 01:48:36,949 INFO L78 Accepts]: Start accepts. Automaton has 78277 states and 111413 transitions. Word has length 297 [2022-11-22 01:48:36,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:48:36,950 INFO L495 AbstractCegarLoop]: Abstraction has 78277 states and 111413 transitions. [2022-11-22 01:48:36,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-22 01:48:36,951 INFO L276 IsEmpty]: Start isEmpty. Operand 78277 states and 111413 transitions. [2022-11-22 01:48:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-22 01:48:36,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:48:36,995 INFO L195 NwaCegarLoop]: trace histogram [23, 17, 17, 17, 17, 17, 17, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:48:36,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:48:36,995 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:48:36,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:48:36,996 INFO L85 PathProgramCache]: Analyzing trace with hash 907880599, now seen corresponding path program 1 times [2022-11-22 01:48:36,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:48:36,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126489947] [2022-11-22 01:48:36,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:36,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:48:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:48:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1432 trivial. 0 not checked. [2022-11-22 01:48:37,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:48:37,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126489947] [2022-11-22 01:48:37,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126489947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:48:37,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:48:37,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:48:37,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769177382] [2022-11-22 01:48:37,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:48:37,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:48:37,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:48:37,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:48:37,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:48:37,760 INFO L87 Difference]: Start difference. First operand 78277 states and 111413 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-22 01:48:41,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:43,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:46,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:48,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:48:48,541 INFO L93 Difference]: Finished difference Result 156114 states and 222661 transitions. [2022-11-22 01:48:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:48:48,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 326 [2022-11-22 01:48:48,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:48:48,925 INFO L225 Difference]: With dead ends: 156114 [2022-11-22 01:48:48,925 INFO L226 Difference]: Without dead ends: 78305 [2022-11-22 01:48:49,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:48:49,156 INFO L413 NwaCegarLoop]: 4074 mSDtfsCounter, 0 mSDsluCounter, 4068 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8142 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:48:49,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8142 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1033 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-22 01:48:49,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78305 states. [2022-11-22 01:48:52,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78305 to 78305. [2022-11-22 01:48:52,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78305 states, 46827 states have (on average 1.2386443718367608) internal successors, (58002), 47688 states have internal predecessors, (58002), 26715 states have call successors, (26715), 4774 states have call predecessors, (26715), 4762 states have return successors, (26724), 26455 states have call predecessors, (26724), 26715 states have call successors, (26724) [2022-11-22 01:48:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78305 states to 78305 states and 111441 transitions. [2022-11-22 01:48:53,236 INFO L78 Accepts]: Start accepts. Automaton has 78305 states and 111441 transitions. Word has length 326 [2022-11-22 01:48:53,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:48:53,237 INFO L495 AbstractCegarLoop]: Abstraction has 78305 states and 111441 transitions. [2022-11-22 01:48:53,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-22 01:48:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 78305 states and 111441 transitions. [2022-11-22 01:48:53,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-22 01:48:53,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:48:53,265 INFO L195 NwaCegarLoop]: trace histogram [23, 17, 17, 17, 17, 17, 17, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:48:53,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:48:53,265 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:48:53,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:48:53,266 INFO L85 PathProgramCache]: Analyzing trace with hash 777158919, now seen corresponding path program 1 times [2022-11-22 01:48:53,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:48:53,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383370683] [2022-11-22 01:48:53,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:53,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:48:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:49:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2022-11-22 01:49:00,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:49:00,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383370683] [2022-11-22 01:49:00,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383370683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:49:00,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:49:00,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:49:00,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455855881] [2022-11-22 01:49:00,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:49:00,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:49:00,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:49:00,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:49:00,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:49:00,718 INFO L87 Difference]: Start difference. First operand 78305 states and 111441 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-22 01:49:12,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:49:23,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:49:30,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:49:30,087 INFO L93 Difference]: Finished difference Result 146931 states and 209738 transitions. [2022-11-22 01:49:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:49:30,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 327 [2022-11-22 01:49:30,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:49:30,793 INFO L225 Difference]: With dead ends: 146931 [2022-11-22 01:49:30,794 INFO L226 Difference]: Without dead ends: 146929 [2022-11-22 01:49:30,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:49:30,847 INFO L413 NwaCegarLoop]: 5339 mSDtfsCounter, 3911 mSDsluCounter, 18110 mSDsCounter, 0 mSdLazyCounter, 4648 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3912 SdHoareTripleChecker+Valid, 23449 SdHoareTripleChecker+Invalid, 4653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4648 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:49:30,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3912 Valid, 23449 Invalid, 4653 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 4648 Invalid, 2 Unknown, 0 Unchecked, 20.6s Time] [2022-11-22 01:49:30,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146929 states.