./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 5e519f3a 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_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-5e519f3 [2022-11-03 02:27:54,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:27:54,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:27:55,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:27:55,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:27:55,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:27:55,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:27:55,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:27:55,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:27:55,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:27:55,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:27:55,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:27:55,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:27:55,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:27:55,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:27:55,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:27:55,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:27:55,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:27:55,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:27:55,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:27:55,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:27:55,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:27:55,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:27:55,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:27:55,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:27:55,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:27:55,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:27:55,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:27:55,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:27:55,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:27:55,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:27:55,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:27:55,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:27:55,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:27:55,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:27:55,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:27:55,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:27:55,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:27:55,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:27:55,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:27:55,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:27:55,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:27:55,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:27:55,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:27:55,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:27:55,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:27:55,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:27:55,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:27:55,142 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:27:55,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:27:55,143 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:27:55,143 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:27:55,144 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:27:55,144 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:27:55,145 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:27:55,145 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:27:55,145 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:27:55,145 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:27:55,145 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:27:55,146 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:27:55,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:27:55,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:27:55,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:27:55,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:27:55,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:27:55,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:27:55,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:27:55,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:27:55,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:27:55,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:27:55,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:27:55,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:27:55,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:27:55,149 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:27:55,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:27:55,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:27:55,150 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:27:55,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:27:55,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:27:55,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:27:55,151 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_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7810d8d46e33762f9d4b240bda17e1c52cc5be371b5b52d10d795bc3c3d449fe [2022-11-03 02:27:55,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:27:55,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:27:55,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:27:55,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:27:55,577 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:27:55,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-03 02:27:55,674 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/data/758b8a6b6/b49fb029dc9a4375a9c22f72e80d0e43/FLAG8c0abde2e [2022-11-03 02:27:56,970 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:27:56,971 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-03 02:27:57,055 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/data/758b8a6b6/b49fb029dc9a4375a9c22f72e80d0e43/FLAG8c0abde2e [2022-11-03 02:27:57,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/data/758b8a6b6/b49fb029dc9a4375a9c22f72e80d0e43 [2022-11-03 02:27:57,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:27:57,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:27:57,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:27:57,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:27:57,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:27:57,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:27:57" (1/1) ... [2022-11-03 02:27:57,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bf926d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:27:57, skipping insertion in model container [2022-11-03 02:27:57,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:27:57" (1/1) ... [2022-11-03 02:27:57,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:27:57,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:28:05,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/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] [2022-11-03 02:28:05,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/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] [2022-11-03 02:28:05,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:28:05,542 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:28:06,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/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] [2022-11-03 02:28:06,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/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] [2022-11-03 02:28:06,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:28:06,808 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:28:06,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06 WrapperNode [2022-11-03 02:28:06,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:28:06,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:28:06,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:28:06,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:28:06,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (1/1) ... [2022-11-03 02:28:07,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (1/1) ... [2022-11-03 02:28:07,538 INFO L138 Inliner]: procedures = 809, calls = 7779, calls flagged for inlining = 391, calls inlined = 360, statements flattened = 15877 [2022-11-03 02:28:07,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:28:07,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:28:07,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:28:07,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:28:07,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (1/1) ... [2022-11-03 02:28:07,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (1/1) ... [2022-11-03 02:28:07,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (1/1) ... [2022-11-03 02:28:07,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (1/1) ... [2022-11-03 02:28:08,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (1/1) ... [2022-11-03 02:28:08,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (1/1) ... [2022-11-03 02:28:08,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (1/1) ... [2022-11-03 02:28:08,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (1/1) ... [2022-11-03 02:28:08,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:28:08,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:28:08,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:28:08,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:28:08,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (1/1) ... [2022-11-03 02:28:08,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:28:08,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:28:08,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:28:08,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:28:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 02:28:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 02:28:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 02:28:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 02:28:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 02:28:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-03 02:28:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-03 02:28:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-03 02:28:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-03 02:28:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-03 02:28:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-03 02:28:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-03 02:28:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-03 02:28:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-03 02:28:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-03 02:28:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-03 02:28:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-03 02:28:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:28:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:28:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:28:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:28:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-03 02:28:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-03 02:28:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-03 02:28:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-03 02:28:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-03 02:28:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-03 02:28:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:28:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:28:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:28:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:28:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-03 02:28:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-03 02:28:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-03 02:28:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-03 02:28:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:28:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:28:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:28:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:28:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-03 02:28:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-03 02:28:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-03 02:28:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-03 02:28:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2022-11-03 02:28:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2022-11-03 02:28:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-03 02:28:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-03 02:28:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-03 02:28:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-03 02:28:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 02:28:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 02:28:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-03 02:28:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-03 02:28:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-03 02:28:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-03 02:28:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:28:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:28:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-03 02:28:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-03 02:28:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 02:28:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 02:28:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:28:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:28:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-03 02:28:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-03 02:28:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-03 02:28:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-03 02:28:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-03 02:28:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-03 02:28:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:28:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:28:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:28:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 02:28:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 02:28:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-03 02:28:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-03 02:28:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:28:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:28:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-03 02:28:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-03 02:28:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 02:28:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 02:28:08,646 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-03 02:28:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-03 02:28:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-03 02:28:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-03 02:28:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:28:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:28:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:28:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:28:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-03 02:28:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-03 02:28:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:28:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-03 02:28:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-03 02:28:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 02:28:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 02:28:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 02:28:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 02:28:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 02:28:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-03 02:28:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 02:28:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 02:28:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 02:28:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 02:28:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:28:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:28:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:28:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:28:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:28:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:28:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:28:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-03 02:28:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-03 02:28:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-03 02:28:08,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-03 02:28:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:28:08,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:28:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-03 02:28:08,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-03 02:28:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:28:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:28:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2022-11-03 02:28:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2022-11-03 02:28:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:28:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:28:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:28:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:28:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-03 02:28:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-03 02:28:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:28:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:28:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2022-11-03 02:28:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2022-11-03 02:28:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:28:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:28:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-03 02:28:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-03 02:28:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-03 02:28:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-03 02:28:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:28:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:28:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:28:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-03 02:28:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-03 02:28:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:28:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:28:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-03 02:28:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-03 02:28:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:28:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:28:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:28:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-03 02:28:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-03 02:28:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:28:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:28:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-03 02:28:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-03 02:28:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-03 02:28:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-03 02:28:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:28:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:28:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 02:28:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 02:28:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:28:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:28:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 02:28:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 02:28:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:28:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:28:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:28:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:28:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-03 02:28:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-03 02:28:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 02:28:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 02:28:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:28:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:28:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:28:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-03 02:28:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-03 02:28:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-03 02:28:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-03 02:28:08,679 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-03 02:28:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-03 02:28:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:28:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-03 02:28:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-03 02:28:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-03 02:28:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-03 02:28:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-03 02:28:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-03 02:28:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-03 02:28:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-03 02:28:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 02:28:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 02:28:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-03 02:28:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-03 02:28:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:28:08,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:28:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:28:08,682 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:28:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-03 02:28:08,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-03 02:28:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 02:28:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 02:28:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 02:28:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 02:28:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 02:28:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 02:28:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:28:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:28:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-03 02:28:08,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-03 02:28:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:28:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 02:28:08,684 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 02:28:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:28:08,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:28:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-03 02:28:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-03 02:28:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-03 02:28:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-03 02:28:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2022-11-03 02:28:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2022-11-03 02:28:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-03 02:28:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-03 02:28:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-03 02:28:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-03 02:28:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 02:28:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 02:28:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 02:28:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 02:28:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-03 02:28:08,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-03 02:28:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-03 02:28:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-03 02:28:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 02:28:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 02:28:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-03 02:28:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-03 02:28:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-03 02:28:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-03 02:28:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-03 02:28:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-03 02:28:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:28:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:28:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-03 02:28:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-03 02:28:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-03 02:28:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-03 02:28:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-03 02:28:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-03 02:28:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:28:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:28:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 02:28:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-03 02:28:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-03 02:28:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-03 02:28:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-03 02:28:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-03 02:28:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-03 02:28:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 02:28:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 02:28:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:28:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:28:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 02:28:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 02:28:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-03 02:28:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-03 02:28:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-03 02:28:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-03 02:28:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:28:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:28:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:28:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:28:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-03 02:28:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-03 02:28:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 02:28:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 02:28:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:28:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:28:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-03 02:28:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-03 02:28:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 02:28:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 02:28:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-03 02:28:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-03 02:28:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2022-11-03 02:28:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2022-11-03 02:28:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:28:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:28:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-03 02:28:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-03 02:28:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-03 02:28:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-03 02:28:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-03 02:28:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-03 02:28:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:28:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:28:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-03 02:28:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-03 02:28:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:28:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:28:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:28:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:28:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:28:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:28:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-03 02:28:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-03 02:28:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 02:28:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 02:28:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:28:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-03 02:28:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-03 02:28:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-03 02:28:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-03 02:28:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-03 02:28:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-03 02:28:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-03 02:28:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-03 02:28:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:28:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:28:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-03 02:28:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-03 02:28:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2022-11-03 02:28:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2022-11-03 02:28:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 02:28:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 02:28:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:28:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-03 02:28:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-03 02:28:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:28:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:28:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:28:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-03 02:28:08,707 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-03 02:28:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:28:08,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:28:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 02:28:08,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 02:28:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:28:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:28:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:28:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:28:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:28:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:28:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-03 02:28:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-03 02:28:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:28:08,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:28:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-03 02:28:08,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-03 02:28:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-03 02:28:08,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-03 02:28:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-03 02:28:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-03 02:28:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-03 02:28:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-03 02:28:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-03 02:28:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-03 02:28:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:28:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:28:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:28:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:28:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:28:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:28:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 02:28:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 02:28:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-03 02:28:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-03 02:28:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-03 02:28:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-03 02:28:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:28:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:28:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-03 02:28:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-03 02:28:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 02:28:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 02:28:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-03 02:28:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-03 02:28:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 02:28:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 02:28:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 02:28:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 02:28:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-03 02:28:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-03 02:28:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 02:28:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 02:28:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-03 02:28:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-03 02:28:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:28:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:28:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 02:28:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 02:28:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-03 02:28:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-03 02:28:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-03 02:28:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-03 02:28:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:28:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:28:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:28:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 02:28:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 02:28:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-03 02:28:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-03 02:28:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 02:28:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 02:28:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-03 02:28:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-03 02:28:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-03 02:28:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-03 02:28:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 02:28:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 02:28:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-03 02:28:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-03 02:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-03 02:28:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-03 02:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-03 02:28:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-03 02:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:28:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-03 02:28:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-03 02:28:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 02:28:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 02:28:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-03 02:28:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-03 02:28:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-03 02:28:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-03 02:28:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-03 02:28:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-03 02:28:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:28:08,721 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:28:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 02:28:08,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 02:28:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:28:08,721 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:28:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-03 02:28:08,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-03 02:28:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 02:28:08,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 02:28:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:28:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-03 02:28:08,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-03 02:28:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 02:28:08,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 02:28:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 02:28:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 02:28:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:28:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:28:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 02:28:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 02:28:08,723 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-03 02:28:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-03 02:28:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-03 02:28:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-03 02:28:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-03 02:28:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-03 02:28:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:28:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:28:08,724 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-03 02:28:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-03 02:28:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 02:28:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 02:28:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-03 02:28:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-03 02:28:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 02:28:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 02:28:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-03 02:28:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-03 02:28:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:28:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:28:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:28:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:28:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:28:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:28:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-03 02:28:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-03 02:28:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 02:28:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 02:28:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-03 02:28:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-03 02:28:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 02:28:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 02:28:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:28:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:28:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-03 02:28:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-03 02:28:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-03 02:28:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-03 02:28:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 02:28:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 02:28:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-03 02:28:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-03 02:28:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:28:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:28:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:28:08,729 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-03 02:28:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-03 02:28:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:28:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:28:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-11-03 02:28:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-11-03 02:28:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-03 02:28:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-03 02:28:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-03 02:28:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-03 02:28:10,600 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:28:10,605 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:28:10,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:28:41,770 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:28:42,944 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:28:50,729 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:28:50,729 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-03 02:28:50,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:28:50 BoogieIcfgContainer [2022-11-03 02:28:50,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:28:50,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:28:50,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:28:50,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:28:50,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:27:57" (1/3) ... [2022-11-03 02:28:50,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da2fbc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:28:50, skipping insertion in model container [2022-11-03 02:28:50,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:28:06" (2/3) ... [2022-11-03 02:28:50,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da2fbc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:28:50, skipping insertion in model container [2022-11-03 02:28:50,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:28:50" (3/3) ... [2022-11-03 02:28:50,751 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-03 02:28:50,774 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:28:50,774 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-03 02:28:51,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:28:51,103 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;@62abf2a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:28:51,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-03 02:28:51,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 3815 states, 2282 states have (on average 1.3150744960560912) 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) [2022-11-03 02:28:51,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-03 02:28:51,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:51,186 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] [2022-11-03 02:28:51,187 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:28:51,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:51,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1601349394, now seen corresponding path program 1 times [2022-11-03 02:28:51,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:51,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090216225] [2022-11-03 02:28:51,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:51,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:53,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-03 02:28:53,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:53,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090216225] [2022-11-03 02:28:53,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090216225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:53,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:53,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:28:53,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868062213] [2022-11-03 02:28:53,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:53,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:28:53,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:53,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:28:53,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:28:53,648 INFO L87 Difference]: Start difference. First operand has 3815 states, 2282 states have (on average 1.3150744960560912) 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) [2022-11-03 02:29:00,183 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 [] [2022-11-03 02:29:03,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:07,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:09,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:14,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:14,739 INFO L93 Difference]: Finished difference Result 10872 states and 15950 transitions. [2022-11-03 02:29:14,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:29:14,742 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 [2022-11-03 02:29:14,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:14,815 INFO L225 Difference]: With dead ends: 10872 [2022-11-03 02:29:14,816 INFO L226 Difference]: Without dead ends: 7028 [2022-11-03 02:29:14,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:29:14,850 INFO L413 NwaCegarLoop]: 6379 mSDtfsCounter, 4787 mSDsluCounter, 5493 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 19 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4789 SdHoareTripleChecker+Valid, 11110 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:14,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4789 Valid, 11110 Invalid, 1733 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1710 Invalid, 4 Unknown, 0 Unchecked, 20.4s Time] [2022-11-03 02:29:14,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7028 states. [2022-11-03 02:29:15,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7028 to 7024. [2022-11-03 02:29:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7024 states, 4258 states have (on average 1.3163457022076093) internal successors, (5605), 4377 states have internal predecessors, (5605), 2309 states have call successors, (2309), 455 states have call predecessors, (2309), 455 states have return successors, (2311), 2276 states have call predecessors, (2311), 2309 states have call successors, (2311) [2022-11-03 02:29:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7024 states to 7024 states and 10225 transitions. [2022-11-03 02:29:15,593 INFO L78 Accepts]: Start accepts. Automaton has 7024 states and 10225 transitions. Word has length 257 [2022-11-03 02:29:15,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:15,594 INFO L495 AbstractCegarLoop]: Abstraction has 7024 states and 10225 transitions. [2022-11-03 02:29:15,595 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) [2022-11-03 02:29:15,595 INFO L276 IsEmpty]: Start isEmpty. Operand 7024 states and 10225 transitions. [2022-11-03 02:29:15,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-03 02:29:15,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:15,611 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] [2022-11-03 02:29:15,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:29:15,612 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:29:15,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:15,612 INFO L85 PathProgramCache]: Analyzing trace with hash 276918540, now seen corresponding path program 1 times [2022-11-03 02:29:15,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:15,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762094167] [2022-11-03 02:29:15,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:15,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:16,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1262 trivial. 0 not checked. [2022-11-03 02:29:16,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:16,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762094167] [2022-11-03 02:29:16,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762094167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:16,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:16,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:29:16,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306823290] [2022-11-03 02:29:16,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:16,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:29:16,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:16,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:29:16,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:29:16,492 INFO L87 Difference]: Start difference. First operand 7024 states and 10225 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) [2022-11-03 02:29:19,487 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 [] [2022-11-03 02:29:21,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:23,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:25,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:27,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:32,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:38,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:38,038 INFO L93 Difference]: Finished difference Result 17095 states and 24787 transitions. [2022-11-03 02:29:38,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:29:38,039 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 [2022-11-03 02:29:38,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:38,108 INFO L225 Difference]: With dead ends: 17095 [2022-11-03 02:29:38,109 INFO L226 Difference]: Without dead ends: 10108 [2022-11-03 02:29:38,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:29:38,143 INFO L413 NwaCegarLoop]: 5761 mSDtfsCounter, 3217 mSDsluCounter, 5379 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 10417 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:38,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3221 Valid, 10417 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1677 Invalid, 2 Unknown, 0 Unchecked, 21.0s Time] [2022-11-03 02:29:38,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10108 states. [2022-11-03 02:29:38,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10108 to 10101. [2022-11-03 02:29:38,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10101 states, 6133 states have (on average 1.3135496494374694) internal successors, (8056), 6303 states have internal predecessors, (8056), 3270 states have call successors, (3270), 697 states have call predecessors, (3270), 696 states have return successors, (3276), 3222 states have call predecessors, (3276), 3270 states have call successors, (3276) [2022-11-03 02:29:38,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10101 states to 10101 states and 14602 transitions. [2022-11-03 02:29:38,660 INFO L78 Accepts]: Start accepts. Automaton has 10101 states and 14602 transitions. Word has length 253 [2022-11-03 02:29:38,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:38,662 INFO L495 AbstractCegarLoop]: Abstraction has 10101 states and 14602 transitions. [2022-11-03 02:29:38,663 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) [2022-11-03 02:29:38,663 INFO L276 IsEmpty]: Start isEmpty. Operand 10101 states and 14602 transitions. [2022-11-03 02:29:38,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-03 02:29:38,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:38,678 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] [2022-11-03 02:29:38,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:29:38,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:29:38,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:38,680 INFO L85 PathProgramCache]: Analyzing trace with hash 548528340, now seen corresponding path program 1 times [2022-11-03 02:29:38,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:38,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458032820] [2022-11-03 02:29:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:38,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1401 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2022-11-03 02:29:39,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:39,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458032820] [2022-11-03 02:29:39,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458032820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:39,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:39,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:29:39,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608192753] [2022-11-03 02:29:39,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:39,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:29:39,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:39,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:29:39,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:29:39,689 INFO L87 Difference]: Start difference. First operand 10101 states and 14602 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) [2022-11-03 02:29:43,574 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 [] [2022-11-03 02:29:45,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:48,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:56,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:00,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:01,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:01,630 INFO L93 Difference]: Finished difference Result 24251 states and 35093 transitions. [2022-11-03 02:30:01,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:01,631 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 [2022-11-03 02:30:01,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:01,734 INFO L225 Difference]: With dead ends: 24251 [2022-11-03 02:30:01,734 INFO L226 Difference]: Without dead ends: 14187 [2022-11-03 02:30:01,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:01,798 INFO L413 NwaCegarLoop]: 8752 mSDtfsCounter, 4731 mSDsluCounter, 5425 mSDsCounter, 0 mSdLazyCounter, 2286 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4733 SdHoareTripleChecker+Valid, 13415 SdHoareTripleChecker+Invalid, 2304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2286 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:01,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4733 Valid, 13415 Invalid, 2304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2286 Invalid, 3 Unknown, 0 Unchecked, 21.4s Time] [2022-11-03 02:30:01,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14187 states. [2022-11-03 02:30:02,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14187 to 14182. [2022-11-03 02:30:02,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14182 states, 8639 states have (on average 1.3168190762819771) internal successors, (11376), 8877 states have internal predecessors, (11376), 4564 states have call successors, (4564), 978 states have call predecessors, (4564), 977 states have return successors, (4572), 4496 states have call predecessors, (4572), 4564 states have call successors, (4572) [2022-11-03 02:30:02,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14182 states to 14182 states and 20512 transitions. [2022-11-03 02:30:02,693 INFO L78 Accepts]: Start accepts. Automaton has 14182 states and 20512 transitions. Word has length 304 [2022-11-03 02:30:02,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:02,695 INFO L495 AbstractCegarLoop]: Abstraction has 14182 states and 20512 transitions. [2022-11-03 02:30:02,696 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) [2022-11-03 02:30:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 14182 states and 20512 transitions. [2022-11-03 02:30:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-11-03 02:30:02,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:02,717 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] [2022-11-03 02:30:02,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:30:02,717 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:02,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1904039553, now seen corresponding path program 1 times [2022-11-03 02:30:02,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:02,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075959969] [2022-11-03 02:30:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:02,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1581 trivial. 0 not checked. [2022-11-03 02:30:04,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:04,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075959969] [2022-11-03 02:30:04,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075959969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:04,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:04,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:30:04,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075466342] [2022-11-03 02:30:04,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:04,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:30:04,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:04,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:30:04,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:04,021 INFO L87 Difference]: Start difference. First operand 14182 states and 20512 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) [2022-11-03 02:30:08,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:30:11,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:14,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:16,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:18,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:24,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:29,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:36,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:36,755 INFO L93 Difference]: Finished difference Result 28375 states and 41315 transitions. [2022-11-03 02:30:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:30:36,756 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 [2022-11-03 02:30:36,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:36,833 INFO L225 Difference]: With dead ends: 28375 [2022-11-03 02:30:36,833 INFO L226 Difference]: Without dead ends: 14230 [2022-11-03 02:30:36,889 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 [2022-11-03 02:30:36,890 INFO L413 NwaCegarLoop]: 4715 mSDtfsCounter, 5 mSDsluCounter, 16438 mSDsCounter, 0 mSdLazyCounter, 3132 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 18829 SdHoareTripleChecker+Invalid, 3139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3132 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:36,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 18829 Invalid, 3139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3132 Invalid, 4 Unknown, 0 Unchecked, 32.0s Time] [2022-11-03 02:30:36,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14230 states. [2022-11-03 02:30:37,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14230 to 14206. [2022-11-03 02:30:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14206 states, 8657 states have (on average 1.316160332678757) internal successors, (11394), 8895 states have internal predecessors, (11394), 4564 states have call successors, (4564), 978 states have call predecessors, (4564), 983 states have return successors, (4654), 4502 states have call predecessors, (4654), 4564 states have call successors, (4654) [2022-11-03 02:30:37,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14206 states to 14206 states and 20612 transitions. [2022-11-03 02:30:37,613 INFO L78 Accepts]: Start accepts. Automaton has 14206 states and 20612 transitions. Word has length 366 [2022-11-03 02:30:37,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:37,614 INFO L495 AbstractCegarLoop]: Abstraction has 14206 states and 20612 transitions. [2022-11-03 02:30:37,615 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) [2022-11-03 02:30:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 14206 states and 20612 transitions. [2022-11-03 02:30:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-11-03 02:30:37,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:37,637 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] [2022-11-03 02:30:37,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:30:37,638 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:37,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:37,638 INFO L85 PathProgramCache]: Analyzing trace with hash 309114046, now seen corresponding path program 1 times [2022-11-03 02:30:37,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:37,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505903839] [2022-11-03 02:30:37,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:37,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1581 trivial. 0 not checked. [2022-11-03 02:30:39,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:39,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505903839] [2022-11-03 02:30:39,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505903839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:39,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:39,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:30:39,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886948604] [2022-11-03 02:30:39,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:39,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:30:39,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:39,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:30:39,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:30:39,809 INFO L87 Difference]: Start difference. First operand 14206 states and 20612 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) [2022-11-03 02:30:46,290 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 [] [2022-11-03 02:30:49,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:53,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:55,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:02,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:05,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:17,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:18,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:22,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:24,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:39,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:39,577 INFO L93 Difference]: Finished difference Result 28419 states and 41445 transitions. [2022-11-03 02:31:39,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:31:39,577 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 [2022-11-03 02:31:39,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:39,658 INFO L225 Difference]: With dead ends: 28419 [2022-11-03 02:31:39,658 INFO L226 Difference]: Without dead ends: 14250 [2022-11-03 02:31:39,722 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 [2022-11-03 02:31:39,722 INFO L413 NwaCegarLoop]: 4731 mSDtfsCounter, 6 mSDsluCounter, 49481 mSDsCounter, 0 mSdLazyCounter, 7832 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 47260 SdHoareTripleChecker+Invalid, 7840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7832 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:39,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 47260 Invalid, 7840 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 7832 Invalid, 6 Unknown, 0 Unchecked, 59.1s Time] [2022-11-03 02:31:39,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14250 states. [2022-11-03 02:31:40,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14250 to 14240. [2022-11-03 02:31:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14240 states, 8682 states have (on average 1.3145588574061275) internal successors, (11413), 8921 states have internal predecessors, (11413), 4564 states have call successors, (4564), 978 states have call predecessors, (4564), 992 states have return successors, (4679), 4510 states have call predecessors, (4679), 4564 states have call successors, (4679) [2022-11-03 02:31:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14240 states to 14240 states and 20656 transitions. [2022-11-03 02:31:40,481 INFO L78 Accepts]: Start accepts. Automaton has 14240 states and 20656 transitions. Word has length 371 [2022-11-03 02:31:40,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:40,482 INFO L495 AbstractCegarLoop]: Abstraction has 14240 states and 20656 transitions. [2022-11-03 02:31:40,483 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) [2022-11-03 02:31:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 14240 states and 20656 transitions. [2022-11-03 02:31:40,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-11-03 02:31:40,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:40,505 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:40,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:31:40,506 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:40,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:40,506 INFO L85 PathProgramCache]: Analyzing trace with hash 2120931104, now seen corresponding path program 1 times [2022-11-03 02:31:40,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:40,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118017367] [2022-11-03 02:31:40,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:40,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:41,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1581 trivial. 0 not checked. [2022-11-03 02:31:41,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:41,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118017367] [2022-11-03 02:31:41,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118017367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:41,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:41,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:41,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549504527] [2022-11-03 02:31:41,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:41,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:41,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:41,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:41,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:41,507 INFO L87 Difference]: Start difference. First operand 14240 states and 20656 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-03 02:31:44,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:31:46,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:48,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:51,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:01,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:01,051 INFO L93 Difference]: Finished difference Result 28491 states and 41539 transitions. [2022-11-03 02:32:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:32:01,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 382 [2022-11-03 02:32:01,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:01,135 INFO L225 Difference]: With dead ends: 28491 [2022-11-03 02:32:01,135 INFO L226 Difference]: Without dead ends: 14288 [2022-11-03 02:32:01,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:32:01,333 INFO L413 NwaCegarLoop]: 4718 mSDtfsCounter, 5 mSDsluCounter, 5486 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 9428 SdHoareTripleChecker+Invalid, 1561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:01,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 9428 Invalid, 1561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1558 Invalid, 3 Unknown, 0 Unchecked, 19.1s Time] [2022-11-03 02:32:01,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14288 states. [2022-11-03 02:32:01,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14288 to 14246. [2022-11-03 02:32:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14246 states, 8688 states have (on average 1.3143416206261511) internal successors, (11419), 8927 states have internal predecessors, (11419), 4564 states have call successors, (4564), 978 states have call predecessors, (4564), 992 states have return successors, (4679), 4510 states have call predecessors, (4679), 4564 states have call successors, (4679) [2022-11-03 02:32:01,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14246 states to 14246 states and 20662 transitions. [2022-11-03 02:32:01,939 INFO L78 Accepts]: Start accepts. Automaton has 14246 states and 20662 transitions. Word has length 382 [2022-11-03 02:32:01,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:01,941 INFO L495 AbstractCegarLoop]: Abstraction has 14246 states and 20662 transitions. [2022-11-03 02:32:01,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-03 02:32:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 14246 states and 20662 transitions. [2022-11-03 02:32:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-11-03 02:32:01,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:01,963 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:01,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:32:01,963 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:32:01,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:01,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1659885518, now seen corresponding path program 1 times [2022-11-03 02:32:01,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:32:01,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64554049] [2022-11-03 02:32:01,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:01,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:32:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1581 trivial. 0 not checked. [2022-11-03 02:32:03,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:03,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64554049] [2022-11-03 02:32:03,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64554049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:03,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:03,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:32:03,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663503855] [2022-11-03 02:32:03,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:03,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:32:03,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:03,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:32:03,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:32:03,184 INFO L87 Difference]: Start difference. First operand 14246 states and 20662 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 02:32:07,241 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 [] [2022-11-03 02:32:09,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:12,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:14,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:16,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:24,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:31,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:31,222 INFO L93 Difference]: Finished difference Result 28527 states and 41981 transitions. [2022-11-03 02:32:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:32:31,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 390 [2022-11-03 02:32:31,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:31,292 INFO L225 Difference]: With dead ends: 28527 [2022-11-03 02:32:31,292 INFO L226 Difference]: Without dead ends: 14318 [2022-11-03 02:32:31,355 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 [2022-11-03 02:32:31,356 INFO L413 NwaCegarLoop]: 4738 mSDtfsCounter, 5 mSDsluCounter, 16525 mSDsCounter, 0 mSdLazyCounter, 3118 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 18939 SdHoareTripleChecker+Invalid, 3121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3118 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:31,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 18939 Invalid, 3121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3118 Invalid, 3 Unknown, 0 Unchecked, 27.4s Time] [2022-11-03 02:32:31,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14318 states. [2022-11-03 02:32:31,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14318 to 14270. [2022-11-03 02:32:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14270 states, 8706 states have (on average 1.313691706868826) internal successors, (11437), 8945 states have internal predecessors, (11437), 4564 states have call successors, (4564), 978 states have call predecessors, (4564), 998 states have return successors, (4691), 4516 states have call predecessors, (4691), 4564 states have call successors, (4691) [2022-11-03 02:32:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14270 states to 14270 states and 20692 transitions. [2022-11-03 02:32:31,951 INFO L78 Accepts]: Start accepts. Automaton has 14270 states and 20692 transitions. Word has length 390 [2022-11-03 02:32:31,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:31,952 INFO L495 AbstractCegarLoop]: Abstraction has 14270 states and 20692 transitions. [2022-11-03 02:32:31,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 02:32:31,952 INFO L276 IsEmpty]: Start isEmpty. Operand 14270 states and 20692 transitions. [2022-11-03 02:32:31,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2022-11-03 02:32:31,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:31,977 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, 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] [2022-11-03 02:32:31,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:32:31,978 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:32:31,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:31,978 INFO L85 PathProgramCache]: Analyzing trace with hash 219437515, now seen corresponding path program 1 times [2022-11-03 02:32:31,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:32:31,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514305471] [2022-11-03 02:32:31,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:31,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:32:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked. [2022-11-03 02:32:34,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:34,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514305471] [2022-11-03 02:32:34,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514305471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:34,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:34,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:32:34,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479052740] [2022-11-03 02:32:34,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:34,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:32:34,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:34,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:32:34,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:32:34,155 INFO L87 Difference]: Start difference. First operand 14270 states and 20692 transitions. Second operand has 12 states, 11 states have (on average 11.454545454545455) internal successors, (126), 9 states have internal predecessors, (126), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (47), 6 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-03 02:32:40,293 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 [] [2022-11-03 02:32:43,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:47,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:48,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:49,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:52,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:54,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:56,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:58,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:33:00,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:33:04,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:33:20,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:33:21,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:33:22,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:33:24,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:33:37,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:33:45,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:33:45,393 INFO L93 Difference]: Finished difference Result 28583 states and 41703 transitions. [2022-11-03 02:33:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:33:45,394 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 11.454545454545455) internal successors, (126), 9 states have internal predecessors, (126), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (47), 6 states have call predecessors, (47), 3 states have call successors, (47) Word has length 394 [2022-11-03 02:33:45,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:33:45,484 INFO L225 Difference]: With dead ends: 28583 [2022-11-03 02:33:45,484 INFO L226 Difference]: Without dead ends: 14350 [2022-11-03 02:33:45,554 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 [2022-11-03 02:33:45,555 INFO L413 NwaCegarLoop]: 4723 mSDtfsCounter, 26 mSDsluCounter, 54876 mSDsCounter, 0 mSdLazyCounter, 8618 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 51887 SdHoareTripleChecker+Invalid, 8624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8618 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:33:45,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 51887 Invalid, 8624 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8618 Invalid, 4 Unknown, 0 Unchecked, 70.5s Time] [2022-11-03 02:33:45,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14350 states. [2022-11-03 02:33:46,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14350 to 14302. [2022-11-03 02:33:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14302 states, 8728 states have (on average 1.3129010082493127) internal successors, (11459), 8967 states have internal predecessors, (11459), 4568 states have call successors, (4568), 978 states have call predecessors, (4568), 1004 states have return successors, (4751), 4526 states have call predecessors, (4751), 4568 states have call successors, (4751) [2022-11-03 02:33:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14302 states to 14302 states and 20778 transitions. [2022-11-03 02:33:46,312 INFO L78 Accepts]: Start accepts. Automaton has 14302 states and 20778 transitions. Word has length 394 [2022-11-03 02:33:46,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:33:46,313 INFO L495 AbstractCegarLoop]: Abstraction has 14302 states and 20778 transitions. [2022-11-03 02:33:46,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 11.454545454545455) internal successors, (126), 9 states have internal predecessors, (126), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (47), 6 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-03 02:33:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 14302 states and 20778 transitions. [2022-11-03 02:33:46,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-11-03 02:33:46,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:33:46,333 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, 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] [2022-11-03 02:33:46,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:33:46,333 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:33:46,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:33:46,334 INFO L85 PathProgramCache]: Analyzing trace with hash 554678551, now seen corresponding path program 1 times [2022-11-03 02:33:46,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:33:46,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118251147] [2022-11-03 02:33:46,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:46,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:33:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:33:47,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2022-11-03 02:33:47,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:33:47,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118251147] [2022-11-03 02:33:47,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118251147] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:33:47,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060826558] [2022-11-03 02:33:47,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:47,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:33:47,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:33:47,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:33:47,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:33:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:33:50,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 10018 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:33:50,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:33:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1581 trivial. 0 not checked. [2022-11-03 02:33:50,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:33:50,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060826558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:33:50,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:33:50,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-03 02:33:50,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823814281] [2022-11-03 02:33:50,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:33:50,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:33:50,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:33:50,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:33:50,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:33:50,684 INFO L87 Difference]: Start difference. First operand 14302 states and 20778 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2022-11-03 02:33:54,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:33:56,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:33:59,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:34:03,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:34:09,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:09,755 INFO L93 Difference]: Finished difference Result 28621 states and 42680 transitions. [2022-11-03 02:34:09,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:34:09,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 401 [2022-11-03 02:34:09,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:09,837 INFO L225 Difference]: With dead ends: 28621 [2022-11-03 02:34:09,838 INFO L226 Difference]: Without dead ends: 14356 [2022-11-03 02:34:09,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:34:09,914 INFO L413 NwaCegarLoop]: 4714 mSDtfsCounter, 7 mSDsluCounter, 5485 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 9425 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:09,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 9425 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1553 Invalid, 4 Unknown, 0 Unchecked, 18.6s Time] [2022-11-03 02:34:09,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14356 states. [2022-11-03 02:34:10,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14356 to 14308. [2022-11-03 02:34:10,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14308 states, 8734 states have (on average 1.3126860544996566) internal successors, (11465), 8973 states have internal predecessors, (11465), 4568 states have call successors, (4568), 978 states have call predecessors, (4568), 1004 states have return successors, (4751), 4526 states have call predecessors, (4751), 4568 states have call successors, (4751) [2022-11-03 02:34:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14308 states to 14308 states and 20784 transitions. [2022-11-03 02:34:10,713 INFO L78 Accepts]: Start accepts. Automaton has 14308 states and 20784 transitions. Word has length 401 [2022-11-03 02:34:10,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:10,714 INFO L495 AbstractCegarLoop]: Abstraction has 14308 states and 20784 transitions. [2022-11-03 02:34:10,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2022-11-03 02:34:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 14308 states and 20784 transitions. [2022-11-03 02:34:10,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-11-03 02:34:10,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:10,732 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, 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] [2022-11-03 02:34:10,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:34:10,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-03 02:34:10,948 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:10,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:10,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1139509600, now seen corresponding path program 1 times [2022-11-03 02:34:10,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:10,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745574975] [2022-11-03 02:34:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:10,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked. [2022-11-03 02:34:13,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:13,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745574975] [2022-11-03 02:34:13,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745574975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:13,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:13,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:34:13,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023761968] [2022-11-03 02:34:13,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:13,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:34:13,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:13,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:34:13,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:34:13,097 INFO L87 Difference]: Start difference. First operand 14308 states and 20784 transitions. Second operand has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 9 states have internal predecessors, (134), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (47), 6 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-03 02:34:20,212 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 [] [2022-11-03 02:34:22,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:34:26,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:34:28,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:34:30,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:34:32,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:34:33,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:34:35,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:34:36,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:34:39,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:00,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:02,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:15,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:22,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:35:22,585 INFO L93 Difference]: Finished difference Result 28693 states and 41962 transitions. [2022-11-03 02:35:22,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:35:22,586 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 9 states have internal predecessors, (134), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (47), 6 states have call predecessors, (47), 3 states have call successors, (47) Word has length 402 [2022-11-03 02:35:22,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:35:22,652 INFO L225 Difference]: With dead ends: 28693 [2022-11-03 02:35:22,653 INFO L226 Difference]: Without dead ends: 14422 [2022-11-03 02:35:22,720 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 [2022-11-03 02:35:22,721 INFO L413 NwaCegarLoop]: 4724 mSDtfsCounter, 28 mSDsluCounter, 54888 mSDsCounter, 0 mSdLazyCounter, 8616 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 51900 SdHoareTripleChecker+Invalid, 8624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8616 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:35:22,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 51900 Invalid, 8624 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 8616 Invalid, 5 Unknown, 0 Unchecked, 68.8s Time] [2022-11-03 02:35:22,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14422 states. [2022-11-03 02:35:23,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14422 to 14308. [2022-11-03 02:35:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14308 states, 8734 states have (on average 1.3126860544996566) internal successors, (11465), 8973 states have internal predecessors, (11465), 4568 states have call successors, (4568), 978 states have call predecessors, (4568), 1004 states have return successors, (4751), 4526 states have call predecessors, (4751), 4568 states have call successors, (4751) [2022-11-03 02:35:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14308 states to 14308 states and 20784 transitions. [2022-11-03 02:35:23,332 INFO L78 Accepts]: Start accepts. Automaton has 14308 states and 20784 transitions. Word has length 402 [2022-11-03 02:35:23,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:35:23,333 INFO L495 AbstractCegarLoop]: Abstraction has 14308 states and 20784 transitions. [2022-11-03 02:35:23,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 9 states have internal predecessors, (134), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (47), 6 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-03 02:35:23,334 INFO L276 IsEmpty]: Start isEmpty. Operand 14308 states and 20784 transitions. [2022-11-03 02:35:23,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-11-03 02:35:23,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:35:23,356 INFO L195 NwaCegarLoop]: trace histogram [24, 18, 18, 18, 18, 18, 18, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:35:23,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:35:23,356 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:35:23,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:35:23,357 INFO L85 PathProgramCache]: Analyzing trace with hash -2041334828, now seen corresponding path program 1 times [2022-11-03 02:35:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:35:23,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966529109] [2022-11-03 02:35:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:35:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:35:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2022-11-03 02:35:25,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:35:25,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966529109] [2022-11-03 02:35:25,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966529109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:35:25,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:35:25,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-03 02:35:25,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322565137] [2022-11-03 02:35:25,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:35:25,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:35:25,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:35:25,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:35:25,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:35:25,926 INFO L87 Difference]: Start difference. First operand 14308 states and 20784 transitions. Second operand has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 10 states have internal predecessors, (133), 3 states have call successors, (53), 2 states have call predecessors, (53), 5 states have return successors, (49), 7 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-03 02:35:34,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:37,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:35:41,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:42,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:44,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:46,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:48,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:50,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:51,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:53,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:35:55,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:00,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:01,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:14,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:22,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:23,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:24,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:26,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:28,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:30,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:36:51,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:36:51,882 INFO L93 Difference]: Finished difference Result 28749 states and 42273 transitions. [2022-11-03 02:36:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:36:51,886 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 10 states have internal predecessors, (133), 3 states have call successors, (53), 2 states have call predecessors, (53), 5 states have return successors, (49), 7 states have call predecessors, (49), 3 states have call successors, (49) Word has length 406 [2022-11-03 02:36:51,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:36:51,964 INFO L225 Difference]: With dead ends: 28749 [2022-11-03 02:36:51,964 INFO L226 Difference]: Without dead ends: 14478 [2022-11-03 02:36:52,024 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 [2022-11-03 02:36:52,025 INFO L413 NwaCegarLoop]: 4720 mSDtfsCounter, 28 mSDsluCounter, 65805 mSDsCounter, 0 mSdLazyCounter, 10230 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 61269 SdHoareTripleChecker+Invalid, 10240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10230 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:36:52,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 61269 Invalid, 10240 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 10230 Invalid, 5 Unknown, 0 Unchecked, 85.1s Time] [2022-11-03 02:36:52,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14478 states. [2022-11-03 02:36:52,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14478 to 14332. [2022-11-03 02:36:52,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14332 states, 8752 states have (on average 1.3120429616087752) internal successors, (11483), 8991 states have internal predecessors, (11483), 4568 states have call successors, (4568), 978 states have call predecessors, (4568), 1010 states have return successors, (4889), 4532 states have call predecessors, (4889), 4568 states have call successors, (4889) [2022-11-03 02:36:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14332 states to 14332 states and 20940 transitions. [2022-11-03 02:36:52,627 INFO L78 Accepts]: Start accepts. Automaton has 14332 states and 20940 transitions. Word has length 406 [2022-11-03 02:36:52,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:36:52,628 INFO L495 AbstractCegarLoop]: Abstraction has 14332 states and 20940 transitions. [2022-11-03 02:36:52,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 10 states have internal predecessors, (133), 3 states have call successors, (53), 2 states have call predecessors, (53), 5 states have return successors, (49), 7 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-03 02:36:52,628 INFO L276 IsEmpty]: Start isEmpty. Operand 14332 states and 20940 transitions. [2022-11-03 02:36:52,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-11-03 02:36:52,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:36:52,637 INFO L195 NwaCegarLoop]: trace histogram [24, 18, 18, 18, 18, 18, 18, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:36:52,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:36:52,638 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:36:52,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:36:52,638 INFO L85 PathProgramCache]: Analyzing trace with hash -698781109, now seen corresponding path program 1 times [2022-11-03 02:36:52,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:36:52,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615243608] [2022-11-03 02:36:52,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:36:52,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:36:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:36:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2022-11-03 02:36:53,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:36:53,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615243608] [2022-11-03 02:36:53,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615243608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:36:53,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:36:53,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:36:53,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905867653] [2022-11-03 02:36:53,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:36:53,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:36:53,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:36:53,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:36:53,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:36:53,884 INFO L87 Difference]: Start difference. First operand 14332 states and 20940 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-03 02:36:58,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:00,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:02,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:05,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:37:07,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:11,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:14,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:18,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:23,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:30,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:37:30,822 INFO L93 Difference]: Finished difference Result 28627 states and 42119 transitions. [2022-11-03 02:37:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:37:30,822 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) Word has length 407 [2022-11-03 02:37:30,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:37:30,894 INFO L225 Difference]: With dead ends: 28627 [2022-11-03 02:37:30,894 INFO L226 Difference]: Without dead ends: 14332 [2022-11-03 02:37:30,947 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 [2022-11-03 02:37:30,948 INFO L413 NwaCegarLoop]: 4754 mSDtfsCounter, 4 mSDsluCounter, 16544 mSDsCounter, 0 mSdLazyCounter, 3137 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18978 SdHoareTripleChecker+Invalid, 3142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3137 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:37:30,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 18978 Invalid, 3142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3137 Invalid, 5 Unknown, 0 Unchecked, 36.4s Time] [2022-11-03 02:37:30,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14332 states. [2022-11-03 02:37:31,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14332 to 14332. [2022-11-03 02:37:31,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14332 states, 8752 states have (on average 1.3113574040219378) internal successors, (11477), 8991 states have internal predecessors, (11477), 4568 states have call successors, (4568), 978 states have call predecessors, (4568), 1010 states have return successors, (4889), 4532 states have call predecessors, (4889), 4568 states have call successors, (4889) [2022-11-03 02:37:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14332 states to 14332 states and 20934 transitions. [2022-11-03 02:37:31,643 INFO L78 Accepts]: Start accepts. Automaton has 14332 states and 20934 transitions. Word has length 407 [2022-11-03 02:37:31,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:37:31,644 INFO L495 AbstractCegarLoop]: Abstraction has 14332 states and 20934 transitions. [2022-11-03 02:37:31,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-03 02:37:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 14332 states and 20934 transitions. [2022-11-03 02:37:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-11-03 02:37:31,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:37:31,659 INFO L195 NwaCegarLoop]: trace histogram [24, 18, 18, 18, 18, 18, 18, 8, 8, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:37:31,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:37:31,659 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:37:31,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:37:31,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1243996855, now seen corresponding path program 1 times [2022-11-03 02:37:31,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:37:31,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811926695] [2022-11-03 02:37:31,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:37:31,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:37:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:37:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1623 trivial. 0 not checked. [2022-11-03 02:37:33,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:37:33,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811926695] [2022-11-03 02:37:33,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811926695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:37:33,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:37:33,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:37:33,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091744924] [2022-11-03 02:37:33,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:37:33,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:37:33,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:37:33,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:37:33,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:37:33,147 INFO L87 Difference]: Start difference. First operand 14332 states and 20934 transitions. Second operand has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 6 states have internal predecessors, (136), 3 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (51), 5 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-03 02:37:38,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:41,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:37:43,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:37:45,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:37:47,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:37:51,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:53,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:56,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:37:58,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:00,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:09,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:11,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:18,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:30,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:30,372 INFO L93 Difference]: Finished difference Result 28635 states and 42029 transitions. [2022-11-03 02:38:30,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:38:30,373 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 6 states have internal predecessors, (136), 3 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (51), 5 states have call predecessors, (51), 3 states have call successors, (51) Word has length 423 [2022-11-03 02:38:30,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:30,438 INFO L225 Difference]: With dead ends: 28635 [2022-11-03 02:38:30,438 INFO L226 Difference]: Without dead ends: 14340 [2022-11-03 02:38:30,487 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 [2022-11-03 02:38:30,487 INFO L413 NwaCegarLoop]: 4758 mSDtfsCounter, 6 mSDsluCounter, 33121 mSDsCounter, 0 mSdLazyCounter, 5494 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 33242 SdHoareTripleChecker+Invalid, 5505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5494 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:30,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 33242 Invalid, 5505 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 5494 Invalid, 9 Unknown, 0 Unchecked, 56.5s Time] [2022-11-03 02:38:30,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14340 states. [2022-11-03 02:38:30,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14340 to 14332. [2022-11-03 02:38:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14332 states, 8752 states have (on average 1.3106718464351006) internal successors, (11471), 8991 states have internal predecessors, (11471), 4568 states have call successors, (4568), 978 states have call predecessors, (4568), 1010 states have return successors, (4889), 4532 states have call predecessors, (4889), 4568 states have call successors, (4889) [2022-11-03 02:38:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14332 states to 14332 states and 20928 transitions. [2022-11-03 02:38:31,007 INFO L78 Accepts]: Start accepts. Automaton has 14332 states and 20928 transitions. Word has length 423 [2022-11-03 02:38:31,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:31,007 INFO L495 AbstractCegarLoop]: Abstraction has 14332 states and 20928 transitions. [2022-11-03 02:38:31,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 6 states have internal predecessors, (136), 3 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (51), 5 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-03 02:38:31,008 INFO L276 IsEmpty]: Start isEmpty. Operand 14332 states and 20928 transitions. [2022-11-03 02:38:31,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-11-03 02:38:31,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:31,019 INFO L195 NwaCegarLoop]: trace histogram [24, 18, 18, 18, 18, 18, 18, 8, 8, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:38:31,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:38:31,019 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:38:31,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:31,020 INFO L85 PathProgramCache]: Analyzing trace with hash 232446129, now seen corresponding path program 1 times [2022-11-03 02:38:31,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:31,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101315487] [2022-11-03 02:38:31,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:31,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1623 trivial. 0 not checked. [2022-11-03 02:38:32,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:32,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101315487] [2022-11-03 02:38:32,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101315487] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:38:32,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991967153] [2022-11-03 02:38:32,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:32,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:38:32,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:38:32,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:38:32,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07cc44f2-46fe-4388-b3ab-f889fd35c587/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:38:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:35,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 10138 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:38:35,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:38:35,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 1601 trivial. 0 not checked. [2022-11-03 02:38:35,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:38:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1623 trivial. 0 not checked. [2022-11-03 02:38:35,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991967153] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:38:35,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1908486101] [2022-11-03 02:38:35,738 INFO L159 IcfgInterpreter]: Started Sifa with 209 locations of interest [2022-11-03 02:38:35,738 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:38:35,743 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:38:35,749 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:38:35,749 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs