./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-qlogic-qlge-qlge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/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_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/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-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/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_b552e99c-6d08-41ec-a6b4-c1a93d921452/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 7810d8d46e33762f9d4b240bda17e1c52cc5be371b5b52d10d795bc3c3d449fe --- 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 01:09:25,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:09:25,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:09:25,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:09:25,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:09:25,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:09:25,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:09:25,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:09:25,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:09:25,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:09:25,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:09:25,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:09:25,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:09:25,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:09:25,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:09:25,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:09:25,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:09:25,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:09:25,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:09:25,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:09:25,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:09:25,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:09:25,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:09:25,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:09:25,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:09:25,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:09:25,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:09:25,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:09:25,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:09:25,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:09:25,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:09:25,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:09:25,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:09:25,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:09:25,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:09:25,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:09:25,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:09:25,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:09:25,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:09:25,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:09:25,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:09:25,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:09:25,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:09:25,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:09:25,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:09:25,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:09:25,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:09:25,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:09:25,631 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:09:25,632 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:09:25,632 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:09:25,632 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:09:25,632 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:09:25,632 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:09:25,633 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:09:25,633 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:09:25,633 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:09:25,633 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:09:25,634 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:09:25,634 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:09:25,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:09:25,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:09:25,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:09:25,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:09:25,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:09:25,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:09:25,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:09:25,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:09:25,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:09:25,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:09:25,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:09:25,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:09:25,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:09:25,638 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:09:25,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:09:25,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:09:25,638 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:09:25,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:09:25,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:09:25,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:09:25,639 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_b552e99c-6d08-41ec-a6b4-c1a93d921452/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7810d8d46e33762f9d4b240bda17e1c52cc5be371b5b52d10d795bc3c3d449fe [2022-11-22 01:09:25,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:09:25,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:09:25,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:09:25,913 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:09:25,914 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:09:25,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-22 01:09:29,232 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:09:30,346 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:09:30,347 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-22 01:09:30,434 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/data/84c5cf70b/79822c23776a4a5a80884d1627df224b/FLAGd881b790a [2022-11-22 01:09:30,454 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/data/84c5cf70b/79822c23776a4a5a80884d1627df224b [2022-11-22 01:09:30,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:09:30,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:09:30,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:09:30,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:09:30,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:09:30,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:09:30" (1/1) ... [2022-11-22 01:09:30,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d49cca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:30, skipping insertion in model container [2022-11-22 01:09:30,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:09:30" (1/1) ... [2022-11-22 01:09:30,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:09:30,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:09:38,693 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_b552e99c-6d08-41ec-a6b4-c1a93d921452/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[657888,657901] [2022-11-22 01:09:38,703 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_b552e99c-6d08-41ec-a6b4-c1a93d921452/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[658033,658046] [2022-11-22 01:09:38,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:09:38,902 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:09:39,754 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_b552e99c-6d08-41ec-a6b4-c1a93d921452/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[657888,657901] [2022-11-22 01:09:39,755 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_b552e99c-6d08-41ec-a6b4-c1a93d921452/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[658033,658046] [2022-11-22 01:09:39,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:09:40,285 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:09:40,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40 WrapperNode [2022-11-22 01:09:40,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:09:40,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:09:40,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:09:40,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:09:40,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (1/1) ... [2022-11-22 01:09:40,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (1/1) ... [2022-11-22 01:09:41,104 INFO L138 Inliner]: procedures = 809, calls = 7795, calls flagged for inlining = 391, calls inlined = 360, statements flattened = 15817 [2022-11-22 01:09:41,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:09:41,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:09:41,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:09:41,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:09:41,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (1/1) ... [2022-11-22 01:09:41,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (1/1) ... [2022-11-22 01:09:41,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (1/1) ... [2022-11-22 01:09:41,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (1/1) ... [2022-11-22 01:09:41,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (1/1) ... [2022-11-22 01:09:41,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (1/1) ... [2022-11-22 01:09:41,779 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (1/1) ... [2022-11-22 01:09:41,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (1/1) ... [2022-11-22 01:09:41,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:09:41,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:09:41,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:09:41,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:09:41,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (1/1) ... [2022-11-22 01:09:41,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:09:41,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:09:41,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:09:42,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:09:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-22 01:09:42,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-22 01:09:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-22 01:09:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-22 01:09:42,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-22 01:09:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-22 01:09:42,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-22 01:09:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-22 01:09:42,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-22 01:09:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-22 01:09:42,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-22 01:09:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-22 01:09:42,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-22 01:09:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-22 01:09:42,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-22 01:09:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-22 01:09:42,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-22 01:09:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 01:09:42,111 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 01:09:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:09:42,111 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:09:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-22 01:09:42,111 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-22 01:09:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-22 01:09:42,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-22 01:09:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-22 01:09:42,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-22 01:09:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 01:09:42,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 01:09:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 01:09:42,112 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 01:09:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-22 01:09:42,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-22 01:09:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-22 01:09:42,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-22 01:09:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-22 01:09:42,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-22 01:09:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 01:09:42,113 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 01:09:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-22 01:09:42,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-22 01:09:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-22 01:09:42,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-22 01:09:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2022-11-22 01:09:42,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2022-11-22 01:09:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-22 01:09:42,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-22 01:09:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-22 01:09:42,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-22 01:09:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 01:09:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 01:09:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-22 01:09:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-22 01:09:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-22 01:09:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-22 01:09:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:09:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:09:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-22 01:09:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-22 01:09:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-22 01:09:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-22 01:09:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:09:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:09:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-22 01:09:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-22 01:09:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-22 01:09:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-22 01:09:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-22 01:09:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-22 01:09:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:09:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:09:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:09:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-22 01:09:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-22 01:09:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-22 01:09:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-22 01:09:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:09:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:09:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-22 01:09:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-22 01:09:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-22 01:09:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-22 01:09:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-22 01:09:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-22 01:09:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-22 01:09:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-22 01:09:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 01:09:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 01:09:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:09:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:09:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-22 01:09:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-22 01:09:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:09:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-22 01:09:42,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-22 01:09:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 01:09:42,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 01:09:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 01:09:42,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 01:09:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-22 01:09:42,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-22 01:09:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 01:09:42,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 01:09:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-22 01:09:42,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-22 01:09:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:09:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:09:42,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:09:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 01:09:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 01:09:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:09:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:09:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-22 01:09:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-22 01:09:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-22 01:09:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-22 01:09:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 01:09:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 01:09:42,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-22 01:09:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-22 01:09:42,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 01:09:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 01:09:42,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2022-11-22 01:09:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2022-11-22 01:09:42,123 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:09:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:09:42,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 01:09:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 01:09:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-22 01:09:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-22 01:09:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:09:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:09:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2022-11-22 01:09:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2022-11-22 01:09:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:09:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:09:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-22 01:09:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-22 01:09:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-22 01:09:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-22 01:09:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:09:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:09:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:09:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-22 01:09:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-22 01:09:42,126 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 01:09:42,126 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 01:09:42,126 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-22 01:09:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-22 01:09:42,126 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:09:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:09:42,126 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 01:09:42,126 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-22 01:09:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-22 01:09:42,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 01:09:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 01:09:42,127 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-22 01:09:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-22 01:09:42,127 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-22 01:09:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-22 01:09:42,127 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 01:09:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 01:09:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-22 01:09:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-22 01:09:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-22 01:09:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-22 01:09:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-22 01:09:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-22 01:09:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:09:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:09:42,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 01:09:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 01:09:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-22 01:09:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-22 01:09:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 01:09:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 01:09:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:09:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 01:09:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 01:09:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-22 01:09:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-22 01:09:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-22 01:09:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-22 01:09:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-22 01:09:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-22 01:09:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:09:42,130 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-22 01:09:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-22 01:09:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-22 01:09:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-22 01:09:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-22 01:09:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-22 01:09:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-22 01:09:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-22 01:09:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 01:09:42,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 01:09:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-22 01:09:42,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-22 01:09:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 01:09:42,132 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 01:09:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 01:09:42,132 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 01:09:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-22 01:09:42,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-22 01:09:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-22 01:09:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-22 01:09:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 01:09:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 01:09:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-22 01:09:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-22 01:09:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:09:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:09:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-22 01:09:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-22 01:09:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:09:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-22 01:09:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-22 01:09:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:09:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:09:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-22 01:09:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-22 01:09:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-22 01:09:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-22 01:09:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2022-11-22 01:09:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2022-11-22 01:09:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-22 01:09:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-22 01:09:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-22 01:09:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-22 01:09:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 01:09:42,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 01:09:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-22 01:09:42,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-22 01:09:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-22 01:09:42,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-22 01:09:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-22 01:09:42,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-22 01:09:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-22 01:09:42,137 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-22 01:09:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-22 01:09:42,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-22 01:09:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-22 01:09:42,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-22 01:09:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-22 01:09:42,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-22 01:09:42,137 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 01:09:42,137 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 01:09:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-22 01:09:42,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-22 01:09:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-22 01:09:42,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-22 01:09:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-22 01:09:42,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-22 01:09:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 01:09:42,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 01:09:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-22 01:09:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-22 01:09:42,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-22 01:09:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-22 01:09:42,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-22 01:09:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-22 01:09:42,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-22 01:09:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 01:09:42,139 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 01:09:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:09:42,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:09:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-22 01:09:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-22 01:09:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-22 01:09:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-22 01:09:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-22 01:09:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-22 01:09:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:09:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:09:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 01:09:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 01:09:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-22 01:09:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-22 01:09:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-22 01:09:42,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-22 01:09:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 01:09:42,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 01:09:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-22 01:09:42,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-22 01:09:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 01:09:42,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 01:09:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-22 01:09:42,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-22 01:09:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2022-11-22 01:09:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2022-11-22 01:09:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:09:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:09:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-22 01:09:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-22 01:09:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-22 01:09:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-22 01:09:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-22 01:09:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-22 01:09:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:09:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:09:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-22 01:09:42,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-22 01:09:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 01:09:42,144 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 01:09:42,144 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 01:09:42,144 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 01:09:42,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:09:42,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:09:42,144 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-22 01:09:42,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-22 01:09:42,144 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 01:09:42,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 01:09:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:09:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-22 01:09:42,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-22 01:09:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-22 01:09:42,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-22 01:09:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-22 01:09:42,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-22 01:09:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-22 01:09:42,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-22 01:09:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:09:42,146 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:09:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-22 01:09:42,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-22 01:09:42,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2022-11-22 01:09:42,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2022-11-22 01:09:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-22 01:09:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-22 01:09:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:09:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-22 01:09:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-22 01:09:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:09:42,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:09:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:09:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-22 01:09:42,148 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-22 01:09:42,148 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 01:09:42,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 01:09:42,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 01:09:42,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 01:09:42,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:09:42,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:09:42,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 01:09:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 01:09:42,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:09:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:09:42,149 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-22 01:09:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-22 01:09:42,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 01:09:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 01:09:42,149 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-22 01:09:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-22 01:09:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-22 01:09:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-22 01:09:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-22 01:09:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-22 01:09:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-22 01:09:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-22 01:09:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-22 01:09:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-22 01:09:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 01:09:42,151 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 01:09:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:09:42,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:09:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:09:42,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:09:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 01:09:42,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 01:09:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-22 01:09:42,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-22 01:09:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-22 01:09:42,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-22 01:09:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 01:09:42,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 01:09:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-22 01:09:42,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-22 01:09:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 01:09:42,152 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 01:09:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-22 01:09:42,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-22 01:09:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 01:09:42,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 01:09:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 01:09:42,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 01:09:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-22 01:09:42,153 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-22 01:09:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-22 01:09:42,153 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-22 01:09:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-22 01:09:42,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-22 01:09:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 01:09:42,154 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 01:09:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-22 01:09:42,154 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-22 01:09:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-22 01:09:42,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-22 01:09:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-22 01:09:42,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-22 01:09:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:09:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:09:42,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:09:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-22 01:09:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-22 01:09:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-22 01:09:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-22 01:09:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-22 01:09:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-22 01:09:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-22 01:09:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-22 01:09:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-22 01:09:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-22 01:09:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 01:09:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 01:09:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-22 01:09:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-22 01:09:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-22 01:09:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-22 01:09:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-22 01:09:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-22 01:09:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 01:09:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 01:09:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-22 01:09:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-22 01:09:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-22 01:09:42,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-22 01:09:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-22 01:09:42,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-22 01:09:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-22 01:09:42,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-22 01:09:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-22 01:09:42,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-22 01:09:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 01:09:42,157 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 01:09:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 01:09:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 01:09:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 01:09:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 01:09:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-22 01:09:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-22 01:09:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-22 01:09:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-22 01:09:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:09:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-22 01:09:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-22 01:09:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-22 01:09:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-22 01:09:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-22 01:09:42,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-22 01:09:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:09:42,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:09:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 01:09:42,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 01:09:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-22 01:09:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-22 01:09:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-22 01:09:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-22 01:09:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-22 01:09:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-22 01:09:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:09:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:09:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-22 01:09:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-22 01:09:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-22 01:09:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-22 01:09:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-22 01:09:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-22 01:09:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-22 01:09:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-22 01:09:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-22 01:09:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-22 01:09:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:09:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:09:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 01:09:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 01:09:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 01:09:42,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 01:09:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-22 01:09:42,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-22 01:09:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-22 01:09:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-22 01:09:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-22 01:09:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-22 01:09:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 01:09:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 01:09:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:09:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:09:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-22 01:09:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-22 01:09:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-22 01:09:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-22 01:09:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-22 01:09:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-22 01:09:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-22 01:09:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-22 01:09:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:09:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:09:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:09:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-22 01:09:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-22 01:09:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:09:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:09:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-11-22 01:09:42,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-11-22 01:09:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-22 01:09:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-22 01:09:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-22 01:09:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-22 01:09:44,019 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:09:44,024 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:09:44,113 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:10:07,285 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 01:10:08,390 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:10:15,464 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:10:15,465 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-22 01:10:15,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:15 BoogieIcfgContainer [2022-11-22 01:10:15,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:10:15,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:10:15,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:10:15,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:10:15,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:09:30" (1/3) ... [2022-11-22 01:10:15,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a260ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:15, skipping insertion in model container [2022-11-22 01:10:15,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:40" (2/3) ... [2022-11-22 01:10:15,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a260ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:15, skipping insertion in model container [2022-11-22 01:10:15,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:15" (3/3) ... [2022-11-22 01:10:15,482 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-22 01:10:15,504 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:10:15,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 01:10:15,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:10:15,642 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;@2c51cb32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:10:15,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 01:10:15,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 3814 states, 2281 states have (on average 1.3156510302498905) internal successors, (3001), 2345 states have internal predecessors, (3001), 1288 states have call successors, (1288), 244 states have call predecessors, (1288), 243 states have return successors, (1281), 1265 states have call predecessors, (1281), 1281 states have call successors, (1281) [2022-11-22 01:10:15,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-22 01:10:15,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:10:15,730 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:15,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:10:15,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:10:15,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1681311386, now seen corresponding path program 1 times [2022-11-22 01:10:15,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:10:15,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038002149] [2022-11-22 01:10:15,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:15,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:10:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:10:17,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-22 01:10:17,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:10:17,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038002149] [2022-11-22 01:10:17,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038002149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:10:17,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:10:17,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:10:17,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174085425] [2022-11-22 01:10:17,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:10:17,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:10:17,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:10:17,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:10:17,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:10:17,848 INFO L87 Difference]: Start difference. First operand has 3814 states, 2281 states have (on average 1.3156510302498905) internal successors, (3001), 2345 states have internal predecessors, (3001), 1288 states have call successors, (1288), 244 states have call predecessors, (1288), 243 states have return successors, (1281), 1265 states have call predecessors, (1281), 1281 states have call successors, (1281) 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-22 01:10:20,624 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 01:10:24,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:10:27,205 WARN L539 Checker$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 01:10:31,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:33,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:35,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:40,168 WARN L539 Checker$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 01:10:41,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:10:41,607 INFO L93 Difference]: Finished difference Result 10869 states and 15950 transitions. [2022-11-22 01:10:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:10:41,610 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 257 [2022-11-22 01:10:41,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:10:41,694 INFO L225 Difference]: With dead ends: 10869 [2022-11-22 01:10:41,695 INFO L226 Difference]: Without dead ends: 7026 [2022-11-22 01:10:41,726 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 01:10:41,732 INFO L413 NwaCegarLoop]: 6402 mSDtfsCounter, 4786 mSDsluCounter, 4747 mSDsCounter, 0 mSdLazyCounter, 1678 mSolverCounterSat, 19 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4788 SdHoareTripleChecker+Valid, 11149 SdHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1678 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:10:41,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4788 Valid, 11149 Invalid, 1703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1678 Invalid, 6 Unknown, 0 Unchecked, 23.1s Time] [2022-11-22 01:10:41,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7026 states. [2022-11-22 01:10:42,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7026 to 7021. [2022-11-22 01:10:42,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7021 states, 4255 states have (on average 1.3170387779083432) internal successors, (5604), 4377 states have internal predecessors, (5604), 2309 states have call successors, (2309), 455 states have call predecessors, (2309), 455 states have return successors, (2311), 2275 states have call predecessors, (2311), 2309 states have call successors, (2311) [2022-11-22 01:10:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7021 states to 7021 states and 10224 transitions. [2022-11-22 01:10:42,273 INFO L78 Accepts]: Start accepts. Automaton has 7021 states and 10224 transitions. Word has length 257 [2022-11-22 01:10:42,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:10:42,274 INFO L495 AbstractCegarLoop]: Abstraction has 7021 states and 10224 transitions. [2022-11-22 01:10:42,275 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-22 01:10:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 7021 states and 10224 transitions. [2022-11-22 01:10:42,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-22 01:10:42,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:10:42,293 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 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] [2022-11-22 01:10:42,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:10:42,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:10:42,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:10:42,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1102459541, now seen corresponding path program 1 times [2022-11-22 01:10:42,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:10:42,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273584877] [2022-11-22 01:10:42,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:42,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:10:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:10:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1262 trivial. 0 not checked. [2022-11-22 01:10:43,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:10:43,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273584877] [2022-11-22 01:10:43,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273584877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:10:43,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:10:43,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:10:43,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803447537] [2022-11-22 01:10:43,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:10:43,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:10:43,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:10:43,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:10:43,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:10:43,244 INFO L87 Difference]: Start difference. First operand 7021 states and 10224 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, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-22 01:10:45,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:10:47,951 WARN L539 Checker$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 01:10:50,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:51,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:55,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:59,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:03,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:03,461 INFO L93 Difference]: Finished difference Result 17082 states and 24775 transitions. [2022-11-22 01:11:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:11:03,462 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, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 253 [2022-11-22 01:11:03,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:03,536 INFO L225 Difference]: With dead ends: 17082 [2022-11-22 01:11:03,536 INFO L226 Difference]: Without dead ends: 10098 [2022-11-22 01:11:03,576 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 01:11:03,577 INFO L413 NwaCegarLoop]: 5578 mSDtfsCounter, 3209 mSDsluCounter, 4672 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3212 SdHoareTripleChecker+Valid, 10250 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:03,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3212 Valid, 10250 Invalid, 1599 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1589 Invalid, 3 Unknown, 0 Unchecked, 19.5s Time] [2022-11-22 01:11:03,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10098 states. [2022-11-22 01:11:04,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10098 to 10091. [2022-11-22 01:11:04,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10091 states, 6124 states have (on average 1.3141737426518616) internal successors, (8048), 6299 states have internal predecessors, (8048), 3269 states have call successors, (3269), 697 states have call predecessors, (3269), 696 states have return successors, (3274), 3220 states have call predecessors, (3274), 3269 states have call successors, (3274) [2022-11-22 01:11:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10091 states to 10091 states and 14591 transitions. [2022-11-22 01:11:04,119 INFO L78 Accepts]: Start accepts. Automaton has 10091 states and 14591 transitions. Word has length 253 [2022-11-22 01:11:04,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:04,121 INFO L495 AbstractCegarLoop]: Abstraction has 10091 states and 14591 transitions. [2022-11-22 01:11:04,121 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, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-22 01:11:04,122 INFO L276 IsEmpty]: Start isEmpty. Operand 10091 states and 14591 transitions. [2022-11-22 01:11:04,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-22 01:11:04,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:04,137 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:04,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:11:04,137 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:11:04,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:04,140 INFO L85 PathProgramCache]: Analyzing trace with hash 458626290, now seen corresponding path program 1 times [2022-11-22 01:11:04,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:04,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466372804] [2022-11-22 01:11:04,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:04,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1401 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2022-11-22 01:11:05,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:05,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466372804] [2022-11-22 01:11:05,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466372804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:05,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:05,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:11:05,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106361191] [2022-11-22 01:11:05,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:05,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:11:05,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:05,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:11:05,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:11:05,306 INFO L87 Difference]: Start difference. First operand 10091 states and 14591 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-22 01:11:09,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:11,616 WARN L539 Checker$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 01:11:13,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:16,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:27,071 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 01:11:27,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:27,789 INFO L93 Difference]: Finished difference Result 24228 states and 35069 transitions. [2022-11-22 01:11:27,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:11:27,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 304 [2022-11-22 01:11:27,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:27,912 INFO L225 Difference]: With dead ends: 24228 [2022-11-22 01:11:27,912 INFO L226 Difference]: Without dead ends: 14174 [2022-11-22 01:11:27,974 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 01:11:27,976 INFO L413 NwaCegarLoop]: 8781 mSDtfsCounter, 4731 mSDsluCounter, 4679 mSDsCounter, 0 mSdLazyCounter, 2240 mSolverCounterSat, 15 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4733 SdHoareTripleChecker+Valid, 13460 SdHoareTripleChecker+Invalid, 2259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2240 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:27,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4733 Valid, 13460 Invalid, 2259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 2240 Invalid, 4 Unknown, 0 Unchecked, 21.7s Time] [2022-11-22 01:11:27,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14174 states. [2022-11-22 01:11:28,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14174 to 14169. [2022-11-22 01:11:28,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14169 states, 8627 states have (on average 1.317491596151617) internal successors, (11366), 8872 states have internal predecessors, (11366), 4563 states have call successors, (4563), 978 states have call predecessors, (4563), 977 states have return successors, (4570), 4494 states have call predecessors, (4570), 4563 states have call successors, (4570) [2022-11-22 01:11:28,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14169 states to 14169 states and 20499 transitions. [2022-11-22 01:11:28,959 INFO L78 Accepts]: Start accepts. Automaton has 14169 states and 20499 transitions. Word has length 304 [2022-11-22 01:11:28,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:28,961 INFO L495 AbstractCegarLoop]: Abstraction has 14169 states and 20499 transitions. [2022-11-22 01:11:28,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-22 01:11:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 14169 states and 20499 transitions. [2022-11-22 01:11:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-11-22 01:11:28,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:28,989 INFO L195 NwaCegarLoop]: trace histogram [24, 18, 18, 18, 18, 18, 18, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:28,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:11:28,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:11:28,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1004301499, now seen corresponding path program 1 times [2022-11-22 01:11:28,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:28,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009331970] [2022-11-22 01:11:28,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:28,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:30,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1581 trivial. 0 not checked. [2022-11-22 01:11:30,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:30,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009331970] [2022-11-22 01:11:30,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009331970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:30,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:30,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:11:30,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172639821] [2022-11-22 01:11:30,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:30,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:11:30,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:30,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:11:30,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:11:30,281 INFO L87 Difference]: Start difference. First operand 14169 states and 20499 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-22 01:11:34,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:36,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:39,554 WARN L539 Checker$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 01:11:41,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:50,251 WARN L539 Checker$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 01:11:56,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:56,142 INFO L93 Difference]: Finished difference Result 28349 states and 41287 transitions. [2022-11-22 01:11:56,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:11:56,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) Word has length 366 [2022-11-22 01:11:56,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:56,214 INFO L225 Difference]: With dead ends: 28349 [2022-11-22 01:11:56,214 INFO L226 Difference]: Without dead ends: 14217 [2022-11-22 01:11:56,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:11:56,277 INFO L413 NwaCegarLoop]: 4732 mSDtfsCounter, 5 mSDsluCounter, 14164 mSDsCounter, 0 mSdLazyCounter, 3061 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 18896 SdHoareTripleChecker+Invalid, 3069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3061 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:56,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 18896 Invalid, 3069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3061 Invalid, 5 Unknown, 0 Unchecked, 25.1s Time] [2022-11-22 01:11:56,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14217 states. [2022-11-22 01:11:56,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14217 to 14193. [2022-11-22 01:11:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14193 states, 8645 states have (on average 1.3168305378831695) internal successors, (11384), 8890 states have internal predecessors, (11384), 4563 states have call successors, (4563), 978 states have call predecessors, (4563), 983 states have return successors, (4652), 4500 states have call predecessors, (4652), 4563 states have call successors, (4652) [2022-11-22 01:11:56,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14193 states to 14193 states and 20599 transitions. [2022-11-22 01:11:56,938 INFO L78 Accepts]: Start accepts. Automaton has 14193 states and 20599 transitions. Word has length 366 [2022-11-22 01:11:56,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:56,940 INFO L495 AbstractCegarLoop]: Abstraction has 14193 states and 20599 transitions. [2022-11-22 01:11:56,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-22 01:11:56,940 INFO L276 IsEmpty]: Start isEmpty. Operand 14193 states and 20599 transitions. [2022-11-22 01:11:56,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-11-22 01:11:56,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:56,961 INFO L195 NwaCegarLoop]: trace histogram [24, 18, 18, 18, 18, 18, 18, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:56,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:11:56,962 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:11:56,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:56,963 INFO L85 PathProgramCache]: Analyzing trace with hash -2061625745, now seen corresponding path program 1 times [2022-11-22 01:11:56,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:56,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553673582] [2022-11-22 01:11:56,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:56,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1581 trivial. 0 not checked. [2022-11-22 01:11:59,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:59,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553673582] [2022-11-22 01:11:59,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553673582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:59,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:59,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-22 01:11:59,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612070389] [2022-11-22 01:11:59,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:59,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 01:11:59,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:59,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 01:11:59,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-22 01:11:59,081 INFO L87 Difference]: Start difference. First operand 14193 states and 20599 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 8 states have internal predecessors, (121), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (41), 5 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-22 01:12:04,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:07,841 WARN L539 Checker$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 01:12:11,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:13,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:32,294 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 01:12:45,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:12:45,649 INFO L93 Difference]: Finished difference Result 28393 states and 41417 transitions. [2022-11-22 01:12:45,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 01:12:45,650 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 8 states have internal predecessors, (121), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (41), 5 states have call predecessors, (41), 2 states have call successors, (41) Word has length 371 [2022-11-22 01:12:45,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:12:45,735 INFO L225 Difference]: With dead ends: 28393 [2022-11-22 01:12:45,735 INFO L226 Difference]: Without dead ends: 14237 [2022-11-22 01:12:45,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:12:45,803 INFO L413 NwaCegarLoop]: 4748 mSDtfsCounter, 6 mSDsluCounter, 42682 mSDsCounter, 0 mSdLazyCounter, 7664 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 47430 SdHoareTripleChecker+Invalid, 7671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7664 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:12:45,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 47430 Invalid, 7671 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 7664 Invalid, 5 Unknown, 0 Unchecked, 45.8s Time] [2022-11-22 01:12:45,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14237 states. [2022-11-22 01:12:46,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14237 to 14227. [2022-11-22 01:12:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14227 states, 8670 states have (on average 1.3152249134948097) internal successors, (11403), 8916 states have internal predecessors, (11403), 4563 states have call successors, (4563), 978 states have call predecessors, (4563), 992 states have return successors, (4677), 4508 states have call predecessors, (4677), 4563 states have call successors, (4677) [2022-11-22 01:12:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14227 states to 14227 states and 20643 transitions. [2022-11-22 01:12:46,490 INFO L78 Accepts]: Start accepts. Automaton has 14227 states and 20643 transitions. Word has length 371 [2022-11-22 01:12:46,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:12:46,491 INFO L495 AbstractCegarLoop]: Abstraction has 14227 states and 20643 transitions. [2022-11-22 01:12:46,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 8 states have internal predecessors, (121), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (41), 5 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-22 01:12:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 14227 states and 20643 transitions. [2022-11-22 01:12:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-11-22 01:12:46,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:12:46,613 INFO L195 NwaCegarLoop]: trace histogram [24, 18, 18, 18, 18, 18, 18, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:46,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:12:46,613 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:12:46,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:12:46,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1725540641, now seen corresponding path program 1 times [2022-11-22 01:12:46,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:12:46,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857727578] [2022-11-22 01:12:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:46,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:12:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1616 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1616 trivial. 0 not checked. [2022-11-22 01:12:47,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:12:47,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857727578] [2022-11-22 01:12:47,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857727578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:12:47,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:12:47,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:12:47,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150801109] [2022-11-22 01:12:47,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:12:47,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:12:47,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:12:47,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:12:47,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:12:47,602 INFO L87 Difference]: Start difference. First operand 14227 states and 20643 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-22 01:12:50,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:52,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:54,379 WARN L539 Checker$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 01:12:56,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:58,775 WARN L539 Checker$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 01:13:04,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:07,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:07,560 INFO L93 Difference]: Finished difference Result 28465 states and 41511 transitions. [2022-11-22 01:13:07,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:13:07,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 409 [2022-11-22 01:13:07,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:07,645 INFO L225 Difference]: With dead ends: 28465 [2022-11-22 01:13:07,645 INFO L226 Difference]: Without dead ends: 14275 [2022-11-22 01:13:07,710 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 01:13:07,712 INFO L413 NwaCegarLoop]: 4734 mSDtfsCounter, 5 mSDsluCounter, 4726 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 9460 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:07,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 9460 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1524 Invalid, 4 Unknown, 0 Unchecked, 19.5s Time] [2022-11-22 01:13:07,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14275 states. [2022-11-22 01:13:08,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14275 to 14233. [2022-11-22 01:13:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14233 states, 8676 states have (on average 1.3150069156293223) internal successors, (11409), 8922 states have internal predecessors, (11409), 4563 states have call successors, (4563), 978 states have call predecessors, (4563), 992 states have return successors, (4677), 4508 states have call predecessors, (4677), 4563 states have call successors, (4677) [2022-11-22 01:13:08,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14233 states to 14233 states and 20649 transitions. [2022-11-22 01:13:08,384 INFO L78 Accepts]: Start accepts. Automaton has 14233 states and 20649 transitions. Word has length 409 [2022-11-22 01:13:08,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:08,386 INFO L495 AbstractCegarLoop]: Abstraction has 14233 states and 20649 transitions. [2022-11-22 01:13:08,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-22 01:13:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 14233 states and 20649 transitions. [2022-11-22 01:13:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-11-22 01:13:08,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:08,554 INFO L195 NwaCegarLoop]: trace histogram [24, 18, 18, 18, 18, 18, 18, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:08,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:13:08,554 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:13:08,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:08,557 INFO L85 PathProgramCache]: Analyzing trace with hash -2079712209, now seen corresponding path program 1 times [2022-11-22 01:13:08,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:08,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825861219] [2022-11-22 01:13:08,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:08,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1616 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2022-11-22 01:13:09,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:09,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825861219] [2022-11-22 01:13:09,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825861219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:09,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:09,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:13:09,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214603310] [2022-11-22 01:13:09,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:09,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:13:09,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:09,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:13:09,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:13:09,720 INFO L87 Difference]: Start difference. First operand 14233 states and 20649 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-22 01:13:15,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:17,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:19,047 WARN L539 Checker$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 01:13:22,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:24,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:28,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:30,331 WARN L539 Checker$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 01:13:42,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:42,014 INFO L93 Difference]: Finished difference Result 35733 states and 51718 transitions. [2022-11-22 01:13:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:13:42,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 417 [2022-11-22 01:13:42,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:42,123 INFO L225 Difference]: With dead ends: 35733 [2022-11-22 01:13:42,123 INFO L226 Difference]: Without dead ends: 21537 [2022-11-22 01:13:42,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:13:42,180 INFO L413 NwaCegarLoop]: 9936 mSDtfsCounter, 7250 mSDsluCounter, 10783 mSDsCounter, 0 mSdLazyCounter, 5913 mSolverCounterSat, 16 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7255 SdHoareTripleChecker+Valid, 20719 SdHoareTripleChecker+Invalid, 5933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 5913 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:42,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7255 Valid, 20719 Invalid, 5933 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 5913 Invalid, 4 Unknown, 0 Unchecked, 31.1s Time] [2022-11-22 01:13:42,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21537 states. [2022-11-22 01:13:43,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21537 to 21522. [2022-11-22 01:13:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21522 states, 13139 states have (on average 1.3144835984473704) internal successors, (17271), 13519 states have internal predecessors, (17271), 6814 states have call successors, (6814), 1543 states have call predecessors, (6814), 1567 states have return successors, (6999), 6733 states have call predecessors, (6999), 6814 states have call successors, (6999) [2022-11-22 01:13:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21522 states to 21522 states and 31084 transitions. [2022-11-22 01:13:43,213 INFO L78 Accepts]: Start accepts. Automaton has 21522 states and 31084 transitions. Word has length 417 [2022-11-22 01:13:43,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:43,214 INFO L495 AbstractCegarLoop]: Abstraction has 21522 states and 31084 transitions. [2022-11-22 01:13:43,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-22 01:13:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 21522 states and 31084 transitions. [2022-11-22 01:13:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-11-22 01:13:43,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:43,247 INFO L195 NwaCegarLoop]: trace histogram [28, 19, 19, 19, 19, 19, 19, 11, 11, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:43,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:13:43,248 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:13:43,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:43,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1856575935, now seen corresponding path program 1 times [2022-11-22 01:13:43,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:43,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017122649] [2022-11-22 01:13:43,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:43,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2022-11-22 01:13:44,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:44,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017122649] [2022-11-22 01:13:44,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017122649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:44,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:44,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:13:44,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216137957] [2022-11-22 01:13:44,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:44,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:13:44,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:44,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:13:44,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:13:44,632 INFO L87 Difference]: Start difference. First operand 21522 states and 31084 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-11-22 01:13:49,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:53,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:59,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:00,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:02,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:13,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:16,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:16,585 INFO L93 Difference]: Finished difference Result 47131 states and 68120 transitions. [2022-11-22 01:14:16,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:14:16,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 484 [2022-11-22 01:14:16,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:16,718 INFO L225 Difference]: With dead ends: 47131 [2022-11-22 01:14:16,718 INFO L226 Difference]: Without dead ends: 25646 [2022-11-22 01:14:16,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:14:16,807 INFO L413 NwaCegarLoop]: 7667 mSDtfsCounter, 4747 mSDsluCounter, 10185 mSDsCounter, 0 mSdLazyCounter, 5289 mSolverCounterSat, 13 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4749 SdHoareTripleChecker+Valid, 17852 SdHoareTripleChecker+Invalid, 5306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 5289 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:16,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4749 Valid, 17852 Invalid, 5306 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 5289 Invalid, 4 Unknown, 0 Unchecked, 30.7s Time] [2022-11-22 01:14:16,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25646 states. [2022-11-22 01:14:17,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25646 to 25637. [2022-11-22 01:14:17,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25637 states, 15672 states have (on average 1.3161689637570189) internal successors, (20627), 16122 states have internal predecessors, (20627), 8107 states have call successors, (8107), 1828 states have call predecessors, (8107), 1856 states have return successors, (8325), 8010 states have call predecessors, (8325), 8107 states have call successors, (8325) [2022-11-22 01:14:18,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25637 states to 25637 states and 37059 transitions. [2022-11-22 01:14:18,150 INFO L78 Accepts]: Start accepts. Automaton has 25637 states and 37059 transitions. Word has length 484 [2022-11-22 01:14:18,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:18,151 INFO L495 AbstractCegarLoop]: Abstraction has 25637 states and 37059 transitions. [2022-11-22 01:14:18,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-11-22 01:14:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 25637 states and 37059 transitions. [2022-11-22 01:14:18,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-11-22 01:14:18,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:18,180 INFO L195 NwaCegarLoop]: trace histogram [28, 21, 21, 21, 21, 21, 21, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:14:18,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:14:18,180 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:14:18,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:18,181 INFO L85 PathProgramCache]: Analyzing trace with hash 740571341, now seen corresponding path program 1 times [2022-11-22 01:14:18,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:18,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687941254] [2022-11-22 01:14:18,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:18,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2022-11-22 01:14:19,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:19,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687941254] [2022-11-22 01:14:19,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687941254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:19,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:19,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:14:19,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340678219] [2022-11-22 01:14:19,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:19,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:14:19,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:19,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:14:19,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:14:19,582 INFO L87 Difference]: Start difference. First operand 25637 states and 37059 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-22 01:14:23,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:26,928 WARN L539 Checker$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 01:14:30,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:32,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:39,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:39,090 INFO L93 Difference]: Finished difference Result 55003 states and 80027 transitions. [2022-11-22 01:14:39,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:14:39,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 455 [2022-11-22 01:14:39,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:39,254 INFO L225 Difference]: With dead ends: 55003 [2022-11-22 01:14:39,254 INFO L226 Difference]: Without dead ends: 29403 [2022-11-22 01:14:39,364 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 01:14:39,367 INFO L413 NwaCegarLoop]: 5191 mSDtfsCounter, 601 mSDsluCounter, 4774 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 9965 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:39,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 9965 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1585 Invalid, 4 Unknown, 0 Unchecked, 18.4s Time] [2022-11-22 01:14:39,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29403 states. [2022-11-22 01:14:40,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29403 to 25639. [2022-11-22 01:14:40,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25639 states, 15674 states have (on average 1.3161286206456553) internal successors, (20629), 16124 states have internal predecessors, (20629), 8107 states have call successors, (8107), 1828 states have call predecessors, (8107), 1856 states have return successors, (8325), 8010 states have call predecessors, (8325), 8107 states have call successors, (8325) [2022-11-22 01:14:40,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25639 states to 25639 states and 37061 transitions. [2022-11-22 01:14:40,963 INFO L78 Accepts]: Start accepts. Automaton has 25639 states and 37061 transitions. Word has length 455 [2022-11-22 01:14:40,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:40,964 INFO L495 AbstractCegarLoop]: Abstraction has 25639 states and 37061 transitions. [2022-11-22 01:14:40,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-22 01:14:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand 25639 states and 37061 transitions. [2022-11-22 01:14:40,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-11-22 01:14:40,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:40,992 INFO L195 NwaCegarLoop]: trace histogram [28, 21, 21, 21, 21, 21, 21, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:14:40,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:14:40,992 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:14:40,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:40,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1544145077, now seen corresponding path program 1 times [2022-11-22 01:14:40,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:40,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544576344] [2022-11-22 01:14:40,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:40,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2230 trivial. 0 not checked. [2022-11-22 01:14:42,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:42,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544576344] [2022-11-22 01:14:42,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544576344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:42,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:42,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:14:42,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997025114] [2022-11-22 01:14:42,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:42,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:14:42,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:42,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:14:42,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:14:42,393 INFO L87 Difference]: Start difference. First operand 25639 states and 37061 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-22 01:14:47,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:50,818 WARN L539 Checker$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 01:14:54,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:58,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:00,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:02,727 WARN L539 Checker$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 01:15:14,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:15,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:15,130 INFO L93 Difference]: Finished difference Result 62621 states and 92091 transitions. [2022-11-22 01:15:15,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:15:15,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 457 [2022-11-22 01:15:15,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:15,319 INFO L225 Difference]: With dead ends: 62621 [2022-11-22 01:15:15,320 INFO L226 Difference]: Without dead ends: 37019 [2022-11-22 01:15:15,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:15,426 INFO L413 NwaCegarLoop]: 6895 mSDtfsCounter, 1834 mSDsluCounter, 11847 mSDsCounter, 0 mSdLazyCounter, 3016 mSolverCounterSat, 509 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2351 SdHoareTripleChecker+Valid, 18742 SdHoareTripleChecker+Invalid, 3530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 3016 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:15,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2351 Valid, 18742 Invalid, 3530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [509 Valid, 3016 Invalid, 5 Unknown, 0 Unchecked, 31.0s Time] [2022-11-22 01:15:15,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37019 states. [2022-11-22 01:15:17,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37019 to 25643. [2022-11-22 01:15:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25643 states, 15678 states have (on average 1.3160479653016965) internal successors, (20633), 16128 states have internal predecessors, (20633), 8107 states have call successors, (8107), 1828 states have call predecessors, (8107), 1856 states have return successors, (8325), 8010 states have call predecessors, (8325), 8107 states have call successors, (8325) [2022-11-22 01:15:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25643 states to 25643 states and 37065 transitions. [2022-11-22 01:15:17,344 INFO L78 Accepts]: Start accepts. Automaton has 25643 states and 37065 transitions. Word has length 457 [2022-11-22 01:15:17,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:17,345 INFO L495 AbstractCegarLoop]: Abstraction has 25643 states and 37065 transitions. [2022-11-22 01:15:17,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-22 01:15:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 25643 states and 37065 transitions. [2022-11-22 01:15:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-11-22 01:15:17,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:17,364 INFO L195 NwaCegarLoop]: trace histogram [27, 19, 19, 19, 19, 19, 19, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:17,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:15:17,365 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:15:17,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:17,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1823480024, now seen corresponding path program 1 times [2022-11-22 01:15:17,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:17,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756683397] [2022-11-22 01:15:17,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:17,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:19,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1936 trivial. 0 not checked. [2022-11-22 01:15:19,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:19,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756683397] [2022-11-22 01:15:19,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756683397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:19,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:19,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:15:19,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333053694] [2022-11-22 01:15:19,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:19,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:15:19,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:19,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:15:19,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:19,160 INFO L87 Difference]: Start difference. First operand 25643 states and 37065 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-22 01:15:24,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:15:28,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:34,175 WARN L539 Checker$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 01:15:36,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:44,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:44,506 INFO L93 Difference]: Finished difference Result 51393 states and 75407 transitions. [2022-11-22 01:15:44,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:15:44,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) Word has length 458 [2022-11-22 01:15:44,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:44,600 INFO L225 Difference]: With dead ends: 51393 [2022-11-22 01:15:44,601 INFO L226 Difference]: Without dead ends: 25787 [2022-11-22 01:15:44,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:15:44,674 INFO L413 NwaCegarLoop]: 4754 mSDtfsCounter, 5 mSDsluCounter, 14249 mSDsCounter, 0 mSdLazyCounter, 3050 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19003 SdHoareTripleChecker+Invalid, 3054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3050 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:44,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19003 Invalid, 3054 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3050 Invalid, 4 Unknown, 0 Unchecked, 24.1s Time] [2022-11-22 01:15:44,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25787 states. [2022-11-22 01:15:45,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25787 to 25691. [2022-11-22 01:15:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25691 states, 15714 states have (on average 1.3153239149802725) internal successors, (20669), 16164 states have internal predecessors, (20669), 8107 states have call successors, (8107), 1828 states have call predecessors, (8107), 1868 states have return successors, (8349), 8022 states have call predecessors, (8349), 8107 states have call successors, (8349) [2022-11-22 01:15:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25691 states to 25691 states and 37125 transitions. [2022-11-22 01:15:45,827 INFO L78 Accepts]: Start accepts. Automaton has 25691 states and 37125 transitions. Word has length 458 [2022-11-22 01:15:45,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:45,828 INFO L495 AbstractCegarLoop]: Abstraction has 25691 states and 37125 transitions. [2022-11-22 01:15:45,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-22 01:15:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 25691 states and 37125 transitions. [2022-11-22 01:15:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-11-22 01:15:45,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:45,841 INFO L195 NwaCegarLoop]: trace histogram [27, 19, 19, 19, 19, 19, 19, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:45,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 01:15:45,841 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:15:45,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:45,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1399401557, now seen corresponding path program 1 times [2022-11-22 01:15:45,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:45,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020521581] [2022-11-22 01:15:45,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:45,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1944 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1944 trivial. 0 not checked. [2022-11-22 01:15:48,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:48,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020521581] [2022-11-22 01:15:48,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020521581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:48,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:48,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-22 01:15:48,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883470609] [2022-11-22 01:15:48,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:48,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 01:15:48,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:48,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 01:15:48,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:15:48,688 INFO L87 Difference]: Start difference. First operand 25691 states and 37125 transitions. Second operand has 12 states, 11 states have (on average 13.0) internal successors, (143), 9 states have internal predecessors, (143), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 6 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-22 01:15:56,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:15:59,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:05,550 WARN L539 Checker$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 01:16:09,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:11,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:12,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:13,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:20,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:23,630 WARN L539 Checker$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 01:16:25,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:27,585 WARN L539 Checker$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 01:16:29,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:31,600 WARN L539 Checker$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 01:16:33,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:35,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:37,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:16:39,329 WARN L539 Checker$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 01:16:50,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:04,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:17:04,866 INFO L93 Difference]: Finished difference Result 51505 states and 74888 transitions. [2022-11-22 01:17:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 01:17:04,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.0) internal successors, (143), 9 states have internal predecessors, (143), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 6 states have call predecessors, (60), 3 states have call successors, (60) Word has length 462 [2022-11-22 01:17:04,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:17:04,984 INFO L225 Difference]: With dead ends: 51505 [2022-11-22 01:17:04,984 INFO L226 Difference]: Without dead ends: 25851 [2022-11-22 01:17:05,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:17:05,220 INFO L413 NwaCegarLoop]: 4740 mSDtfsCounter, 26 mSDsluCounter, 47333 mSDsCounter, 0 mSdLazyCounter, 8438 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 52073 SdHoareTripleChecker+Invalid, 8449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8438 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:17:05,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 52073 Invalid, 8449 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 8438 Invalid, 9 Unknown, 0 Unchecked, 74.8s Time] [2022-11-22 01:17:05,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25851 states. [2022-11-22 01:17:06,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25851 to 25765. [2022-11-22 01:17:06,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25765 states, 15765 states have (on average 1.3143038376149698) internal successors, (20720), 16216 states have internal predecessors, (20720), 8115 states have call successors, (8115), 1828 states have call predecessors, (8115), 1883 states have return successors, (8477), 8044 states have call predecessors, (8477), 8115 states have call successors, (8477) [2022-11-22 01:17:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25765 states to 25765 states and 37312 transitions. [2022-11-22 01:17:06,187 INFO L78 Accepts]: Start accepts. Automaton has 25765 states and 37312 transitions. Word has length 462 [2022-11-22 01:17:06,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:17:06,187 INFO L495 AbstractCegarLoop]: Abstraction has 25765 states and 37312 transitions. [2022-11-22 01:17:06,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.0) internal successors, (143), 9 states have internal predecessors, (143), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 6 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-22 01:17:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 25765 states and 37312 transitions. [2022-11-22 01:17:06,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-11-22 01:17:06,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:17:06,310 INFO L195 NwaCegarLoop]: trace histogram [28, 21, 21, 21, 21, 21, 21, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:06,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 01:17:06,310 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:17:06,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:17:06,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1158862202, now seen corresponding path program 1 times [2022-11-22 01:17:06,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:17:06,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488506576] [2022-11-22 01:17:06,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:17:06,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:17:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:17:07,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2230 trivial. 0 not checked. [2022-11-22 01:17:07,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:17:07,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488506576] [2022-11-22 01:17:07,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488506576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:17:07,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:17:07,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:17:07,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399726384] [2022-11-22 01:17:07,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:17:07,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:17:07,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:17:07,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:17:07,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:17:07,303 INFO L87 Difference]: Start difference. First operand 25765 states and 37312 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (62), 1 states have call predecessors, (62), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-11-22 01:17:12,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:17:14,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:16,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:17,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:20,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:22,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:24,550 WARN L539 Checker$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 01:17:26,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:17:32,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:17:32,174 INFO L93 Difference]: Finished difference Result 51601 states and 76760 transitions. [2022-11-22 01:17:32,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:17:32,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (62), 1 states have call predecessors, (62), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 470 [2022-11-22 01:17:32,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:17:32,306 INFO L225 Difference]: With dead ends: 51601 [2022-11-22 01:17:32,306 INFO L226 Difference]: Without dead ends: 25873 [2022-11-22 01:17:32,399 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 01:17:32,399 INFO L413 NwaCegarLoop]: 4730 mSDtfsCounter, 7 mSDsluCounter, 4727 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 9457 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:17:32,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 9457 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1524 Invalid, 3 Unknown, 0 Unchecked, 23.7s Time] [2022-11-22 01:17:32,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25873 states. [2022-11-22 01:17:33,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25873 to 25777. [2022-11-22 01:17:33,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25777 states, 15777 states have (on average 1.3140647778411612) internal successors, (20732), 16228 states have internal predecessors, (20732), 8115 states have call successors, (8115), 1828 states have call predecessors, (8115), 1883 states have return successors, (8477), 8044 states have call predecessors, (8477), 8115 states have call successors, (8477) [2022-11-22 01:17:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25777 states to 25777 states and 37324 transitions. [2022-11-22 01:17:33,550 INFO L78 Accepts]: Start accepts. Automaton has 25777 states and 37324 transitions. Word has length 470 [2022-11-22 01:17:33,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:17:33,551 INFO L495 AbstractCegarLoop]: Abstraction has 25777 states and 37324 transitions. [2022-11-22 01:17:33,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (62), 1 states have call predecessors, (62), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-11-22 01:17:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 25777 states and 37324 transitions. [2022-11-22 01:17:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-11-22 01:17:33,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:17:33,572 INFO L195 NwaCegarLoop]: trace histogram [27, 19, 19, 19, 19, 19, 19, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:33,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 01:17:33,573 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:17:33,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:17:33,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1274070606, now seen corresponding path program 1 times [2022-11-22 01:17:33,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:17:33,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988281651] [2022-11-22 01:17:33,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:17:33,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:17:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:17:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1944 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1944 trivial. 0 not checked. [2022-11-22 01:17:36,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:17:36,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988281651] [2022-11-22 01:17:36,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988281651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:17:36,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:17:36,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-22 01:17:36,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353264247] [2022-11-22 01:17:36,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:17:36,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 01:17:36,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:17:36,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 01:17:36,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:17:36,188 INFO L87 Difference]: Start difference. First operand 25777 states and 37324 transitions. Second operand has 12 states, 11 states have (on average 13.727272727272727) internal successors, (151), 9 states have internal predecessors, (151), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 6 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-22 01:17:43,415 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 01:17:44,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:17:46,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:17:48,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:17:50,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:17:52,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:17:54,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:17:57,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:17:59,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:18:01,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:18:03,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:18:13,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:14,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:18,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:20,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:22,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:30,231 WARN L539 Checker$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 01:18:32,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:34,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:35,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:37,870 WARN L539 Checker$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 01:18:39,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:41,884 WARN L539 Checker$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 01:18:43,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:45,792 WARN L539 Checker$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 01:18:47,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:48,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:50,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:18:58,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:15,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:19:15,431 INFO L93 Difference]: Finished difference Result 51735 states and 75413 transitions. [2022-11-22 01:19:15,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 01:19:15,432 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.727272727272727) internal successors, (151), 9 states have internal predecessors, (151), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 6 states have call predecessors, (60), 3 states have call successors, (60) Word has length 470 [2022-11-22 01:19:15,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:19:15,559 INFO L225 Difference]: With dead ends: 51735 [2022-11-22 01:19:15,559 INFO L226 Difference]: Without dead ends: 25995 [2022-11-22 01:19:15,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:19:15,632 INFO L413 NwaCegarLoop]: 4740 mSDtfsCounter, 28 mSDsluCounter, 47335 mSDsCounter, 0 mSdLazyCounter, 8438 mSolverCounterSat, 3 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 52075 SdHoareTripleChecker+Invalid, 8459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8438 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:19:15,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 52075 Invalid, 8459 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 8438 Invalid, 18 Unknown, 0 Unchecked, 97.8s Time] [2022-11-22 01:19:15,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25995 states. [2022-11-22 01:19:16,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25995 to 25777. [2022-11-22 01:19:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25777 states, 15777 states have (on average 1.3140647778411612) internal successors, (20732), 16228 states have internal predecessors, (20732), 8115 states have call successors, (8115), 1828 states have call predecessors, (8115), 1883 states have return successors, (8477), 8044 states have call predecessors, (8477), 8115 states have call successors, (8477) [2022-11-22 01:19:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25777 states to 25777 states and 37324 transitions. [2022-11-22 01:19:16,729 INFO L78 Accepts]: Start accepts. Automaton has 25777 states and 37324 transitions. Word has length 470 [2022-11-22 01:19:16,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:19:16,729 INFO L495 AbstractCegarLoop]: Abstraction has 25777 states and 37324 transitions. [2022-11-22 01:19:16,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.727272727272727) internal successors, (151), 9 states have internal predecessors, (151), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 6 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-22 01:19:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 25777 states and 37324 transitions. [2022-11-22 01:19:16,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2022-11-22 01:19:16,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:19:16,745 INFO L195 NwaCegarLoop]: trace histogram [28, 21, 21, 21, 21, 21, 21, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:16,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 01:19:16,745 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:19:16,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:19:16,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1310448954, now seen corresponding path program 1 times [2022-11-22 01:19:16,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:19:16,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859106888] [2022-11-22 01:19:16,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:19:16,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:19:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:19:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2022-11-22 01:19:17,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:19:17,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859106888] [2022-11-22 01:19:17,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859106888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:19:17,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:19:17,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:19:17,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028894525] [2022-11-22 01:19:17,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:19:17,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:19:17,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:19:17,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:19:17,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:19:17,537 INFO L87 Difference]: Start difference. First operand 25777 states and 37324 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-11-22 01:19:20,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:23,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:19:25,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:28,144 WARN L539 Checker$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 01:19:29,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:32,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:35,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:19:35,485 INFO L93 Difference]: Finished difference Result 54728 states and 79132 transitions. [2022-11-22 01:19:35,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:19:35,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 475 [2022-11-22 01:19:35,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:19:35,696 INFO L225 Difference]: With dead ends: 54728 [2022-11-22 01:19:35,697 INFO L226 Difference]: Without dead ends: 28988 [2022-11-22 01:19:35,756 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 01:19:35,756 INFO L413 NwaCegarLoop]: 5273 mSDtfsCounter, 5303 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5309 SdHoareTripleChecker+Valid, 7195 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:19:35,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5309 Valid, 7195 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1115 Invalid, 3 Unknown, 0 Unchecked, 16.5s Time] [2022-11-22 01:19:35,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28988 states. [2022-11-22 01:19:36,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28988 to 28972. [2022-11-22 01:19:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28972 states, 17731 states have (on average 1.312277931306751) internal successors, (23268), 18244 states have internal predecessors, (23268), 9072 states have call successors, (9072), 2102 states have call predecessors, (9072), 2168 states have return successors, (9500), 8995 states have call predecessors, (9500), 9072 states have call successors, (9500) [2022-11-22 01:19:36,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28972 states to 28972 states and 41840 transitions. [2022-11-22 01:19:36,902 INFO L78 Accepts]: Start accepts. Automaton has 28972 states and 41840 transitions. Word has length 475 [2022-11-22 01:19:36,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:19:36,902 INFO L495 AbstractCegarLoop]: Abstraction has 28972 states and 41840 transitions. [2022-11-22 01:19:36,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-11-22 01:19:36,903 INFO L276 IsEmpty]: Start isEmpty. Operand 28972 states and 41840 transitions. [2022-11-22 01:19:36,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-11-22 01:19:36,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:19:36,919 INFO L195 NwaCegarLoop]: trace histogram [27, 19, 19, 19, 19, 19, 19, 11, 11, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:36,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 01:19:36,920 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:19:36,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:19:36,920 INFO L85 PathProgramCache]: Analyzing trace with hash 679978025, now seen corresponding path program 1 times [2022-11-22 01:19:36,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:19:36,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295567553] [2022-11-22 01:19:36,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:19:36,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:19:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:19:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2022-11-22 01:19:39,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:19:39,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295567553] [2022-11-22 01:19:39,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295567553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:19:39,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:19:39,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-22 01:19:39,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2600947] [2022-11-22 01:19:39,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:19:39,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-22 01:19:39,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:19:39,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-22 01:19:39,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:19:39,263 INFO L87 Difference]: Start difference. First operand 28972 states and 41840 transitions. Second operand has 14 states, 13 states have (on average 11.538461538461538) internal successors, (150), 10 states have internal predecessors, (150), 3 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (62), 7 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-22 01:19:48,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:19:50,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:19:55,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:03,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:06,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:07,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:16,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:19,222 WARN L539 Checker$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 01:20:21,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:23,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:24,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:26,339 WARN L539 Checker$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 01:20:28,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:30,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:31,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:32,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:35,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:37,727 WARN L539 Checker$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 01:20:46,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:20:48,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:09,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:09,792 INFO L93 Difference]: Finished difference Result 58315 states and 85327 transitions. [2022-11-22 01:21:09,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 01:21:09,792 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.538461538461538) internal successors, (150), 10 states have internal predecessors, (150), 3 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (62), 7 states have call predecessors, (62), 3 states have call successors, (62) Word has length 474 [2022-11-22 01:21:09,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:09,902 INFO L225 Difference]: With dead ends: 58315 [2022-11-22 01:21:09,902 INFO L226 Difference]: Without dead ends: 29380 [2022-11-22 01:21:09,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-11-22 01:21:09,985 INFO L413 NwaCegarLoop]: 4721 mSDtfsCounter, 28 mSDsluCounter, 56560 mSDsCounter, 0 mSdLazyCounter, 9995 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 61281 SdHoareTripleChecker+Invalid, 10007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9995 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:09,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 61281 Invalid, 10007 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5 Valid, 9995 Invalid, 7 Unknown, 0 Unchecked, 88.7s Time] [2022-11-22 01:21:10,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29380 states. [2022-11-22 01:21:11,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29380 to 29028. [2022-11-22 01:21:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29028 states, 17773 states have (on average 1.311539976368649) internal successors, (23310), 18286 states have internal predecessors, (23310), 9072 states have call successors, (9072), 2102 states have call predecessors, (9072), 2182 states have return successors, (9802), 9009 states have call predecessors, (9802), 9072 states have call successors, (9802) [2022-11-22 01:21:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29028 states to 29028 states and 42184 transitions. [2022-11-22 01:21:11,238 INFO L78 Accepts]: Start accepts. Automaton has 29028 states and 42184 transitions. Word has length 474 [2022-11-22 01:21:11,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:11,239 INFO L495 AbstractCegarLoop]: Abstraction has 29028 states and 42184 transitions. [2022-11-22 01:21:11,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.538461538461538) internal successors, (150), 10 states have internal predecessors, (150), 3 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (62), 7 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-22 01:21:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 29028 states and 42184 transitions. [2022-11-22 01:21:11,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2022-11-22 01:21:11,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:11,255 INFO L195 NwaCegarLoop]: trace histogram [27, 19, 19, 19, 19, 19, 19, 11, 11, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:21:11,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 01:21:11,255 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:21:11,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:11,255 INFO L85 PathProgramCache]: Analyzing trace with hash -2117844272, now seen corresponding path program 1 times [2022-11-22 01:21:11,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:11,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997151220] [2022-11-22 01:21:11,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:11,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:12,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2022-11-22 01:21:12,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:12,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997151220] [2022-11-22 01:21:12,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997151220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:12,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:12,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:21:12,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052152132] [2022-11-22 01:21:12,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:12,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:21:12,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:12,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:21:12,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:21:12,464 INFO L87 Difference]: Start difference. First operand 29028 states and 42184 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (62), 3 states have call predecessors, (62), 2 states have call successors, (62) [2022-11-22 01:21:17,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:22,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:26,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:21:29,357 WARN L539 Checker$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 01:21:31,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:33,080 WARN L539 Checker$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 01:21:35,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:21:37,096 WARN L539 Checker$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 01:21:47,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:47,926 INFO L93 Difference]: Finished difference Result 58019 states and 84939 transitions. [2022-11-22 01:21:47,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:21:47,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (62), 3 states have call predecessors, (62), 2 states have call successors, (62) Word has length 475 [2022-11-22 01:21:47,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:48,066 INFO L225 Difference]: With dead ends: 58019 [2022-11-22 01:21:48,066 INFO L226 Difference]: Without dead ends: 29028 [2022-11-22 01:21:48,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:21:48,168 INFO L413 NwaCegarLoop]: 4754 mSDtfsCounter, 2 mSDsluCounter, 14225 mSDsCounter, 0 mSdLazyCounter, 3066 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 18979 SdHoareTripleChecker+Invalid, 3072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3066 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:48,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 18979 Invalid, 3072 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3066 Invalid, 6 Unknown, 0 Unchecked, 33.9s Time] [2022-11-22 01:21:48,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29028 states. [2022-11-22 01:21:49,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29028 to 29028. [2022-11-22 01:21:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29028 states, 17773 states have (on average 1.3107522646711303) internal successors, (23296), 18272 states have internal predecessors, (23296), 9072 states have call successors, (9072), 2102 states have call predecessors, (9072), 2182 states have return successors, (9802), 9009 states have call predecessors, (9802), 9072 states have call successors, (9802) [2022-11-22 01:21:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29028 states to 29028 states and 42170 transitions. [2022-11-22 01:21:49,772 INFO L78 Accepts]: Start accepts. Automaton has 29028 states and 42170 transitions. Word has length 475 [2022-11-22 01:21:49,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:49,773 INFO L495 AbstractCegarLoop]: Abstraction has 29028 states and 42170 transitions. [2022-11-22 01:21:49,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (62), 3 states have call predecessors, (62), 2 states have call successors, (62) [2022-11-22 01:21:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 29028 states and 42170 transitions. [2022-11-22 01:21:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2022-11-22 01:21:49,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:49,788 INFO L195 NwaCegarLoop]: trace histogram [27, 19, 19, 19, 19, 19, 19, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:21:49,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 01:21:49,788 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:21:49,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:49,789 INFO L85 PathProgramCache]: Analyzing trace with hash -905917398, now seen corresponding path program 1 times [2022-11-22 01:21:49,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:49,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20769345] [2022-11-22 01:21:49,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:49,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1978 trivial. 0 not checked. [2022-11-22 01:21:51,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:51,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20769345] [2022-11-22 01:21:51,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20769345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:51,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:51,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:21:51,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304395824] [2022-11-22 01:21:51,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:51,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 01:21:51,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:51,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 01:21:51,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:21:51,545 INFO L87 Difference]: Start difference. First operand 29028 states and 42170 transitions. Second operand has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 5 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 01:21:58,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:00,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:01,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:02,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:07,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:11,860 WARN L539 Checker$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 01:22:15,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:22:18,713 WARN L539 Checker$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 01:22:20,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:23,491 WARN L539 Checker$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 01:22:25,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:27,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:29,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:31,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:22:52,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:52,241 INFO L93 Difference]: Finished difference Result 58035 states and 84728 transitions. [2022-11-22 01:22:52,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:22:52,241 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 5 states have call predecessors, (64), 3 states have call successors, (64) Word has length 489 [2022-11-22 01:22:52,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:52,382 INFO L225 Difference]: With dead ends: 58035 [2022-11-22 01:22:52,383 INFO L226 Difference]: Without dead ends: 29044 [2022-11-22 01:22:52,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:22:52,484 INFO L413 NwaCegarLoop]: 4758 mSDtfsCounter, 6 mSDsluCounter, 28485 mSDsCounter, 0 mSdLazyCounter, 5376 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 33243 SdHoareTripleChecker+Invalid, 5387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5376 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:52,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 33243 Invalid, 5387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 5376 Invalid, 9 Unknown, 0 Unchecked, 59.0s Time] [2022-11-22 01:22:52,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29044 states. [2022-11-22 01:22:53,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29044 to 29028. [2022-11-22 01:22:53,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29028 states, 17773 states have (on average 1.3099645529736117) internal successors, (23282), 18272 states have internal predecessors, (23282), 9072 states have call successors, (9072), 2102 states have call predecessors, (9072), 2182 states have return successors, (9802), 9009 states have call predecessors, (9802), 9072 states have call successors, (9802) [2022-11-22 01:22:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29028 states to 29028 states and 42156 transitions. [2022-11-22 01:22:54,111 INFO L78 Accepts]: Start accepts. Automaton has 29028 states and 42156 transitions. Word has length 489 [2022-11-22 01:22:54,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:54,111 INFO L495 AbstractCegarLoop]: Abstraction has 29028 states and 42156 transitions. [2022-11-22 01:22:54,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 5 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 01:22:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 29028 states and 42156 transitions. [2022-11-22 01:22:54,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2022-11-22 01:22:54,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:54,128 INFO L195 NwaCegarLoop]: trace histogram [27, 19, 19, 19, 19, 19, 19, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:22:54,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 01:22:54,128 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:22:54,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:54,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1599649664, now seen corresponding path program 1 times [2022-11-22 01:22:54,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:54,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842744418] [2022-11-22 01:22:54,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:54,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1979 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1978 trivial. 0 not checked. [2022-11-22 01:22:55,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:55,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842744418] [2022-11-22 01:22:55,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842744418] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:22:55,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055824795] [2022-11-22 01:22:55,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:55,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:22:55,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:22:55,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:22:55,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b552e99c-6d08-41ec-a6b4-c1a93d921452/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:22:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:59,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 11388 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:23:00,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:23:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1979 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 1956 trivial. 0 not checked. [2022-11-22 01:23:00,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:23:00,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1979 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1978 trivial. 0 not checked. [2022-11-22 01:23:00,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055824795] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:23:00,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2017864434] [2022-11-22 01:23:00,879 INFO L159 IcfgInterpreter]: Started Sifa with 240 locations of interest [2022-11-22 01:23:00,879 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:23:00,885 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:23:00,892 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:23:00,893 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs