./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW --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 a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a --- 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-4e7fbc6 [2022-11-23 16:04:00,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:04:00,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:04:00,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:04:00,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:04:00,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:04:00,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:04:00,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:04:00,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:04:00,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:04:00,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:04:00,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:04:00,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:04:00,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:04:00,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:04:00,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:04:00,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:04:00,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:04:00,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:04:00,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:04:00,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:04:00,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:04:00,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:04:00,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:04:00,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:04:00,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:04:00,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:04:00,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:04:00,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:04:00,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:04:00,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:04:00,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:04:00,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:04:00,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:04:00,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:04:00,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:04:00,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:04:00,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:04:00,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:04:00,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:04:00,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:04:00,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 16:04:00,987 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:04:00,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:04:00,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:04:00,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:04:00,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:04:00,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:04:00,990 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:04:00,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:04:00,990 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:04:00,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:04:00,991 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:04:00,991 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:04:00,992 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:04:00,992 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:04:00,992 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:04:00,993 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:04:00,993 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:04:00,993 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:04:00,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:04:00,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:04:00,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:04:00,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:04:00,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:04:00,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:04:00,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:04:00,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:04:00,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:04:00,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:04:00,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:04:00,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:04:00,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:04:00,998 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:04:00,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:04:00,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:04:00,999 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:04:01,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:04:01,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:04:01,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:04:01,001 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_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a [2022-11-23 16:04:01,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:04:01,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:04:01,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:04:01,379 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:04:01,380 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:04:01,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-23 16:04:04,714 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:04:05,758 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:04:05,759 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-23 16:04:05,835 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/data/3e34d5b6c/d3dee959c8804aa080f6a3526dacca2c/FLAG797f16d43 [2022-11-23 16:04:05,857 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/data/3e34d5b6c/d3dee959c8804aa080f6a3526dacca2c [2022-11-23 16:04:05,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:04:05,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:04:05,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:04:05,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:04:05,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:04:05,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:05" (1/1) ... [2022-11-23 16:04:05,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df2f69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:05, skipping insertion in model container [2022-11-23 16:04:05,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:05" (1/1) ... [2022-11-23 16:04:05,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:04:06,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:04:13,021 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2022-11-23 16:04:13,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:04:13,313 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:04:14,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2022-11-23 16:04:14,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:04:14,880 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:04:14,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14 WrapperNode [2022-11-23 16:04:14,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:04:14,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:04:14,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:04:14,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:04:14,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (1/1) ... [2022-11-23 16:04:15,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (1/1) ... [2022-11-23 16:04:15,979 INFO L138 Inliner]: procedures = 678, calls = 7482, calls flagged for inlining = 299, calls inlined = 290, statements flattened = 15329 [2022-11-23 16:04:15,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:04:15,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:04:15,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:04:15,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:04:15,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (1/1) ... [2022-11-23 16:04:15,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (1/1) ... [2022-11-23 16:04:16,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (1/1) ... [2022-11-23 16:04:16,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (1/1) ... [2022-11-23 16:04:16,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (1/1) ... [2022-11-23 16:04:16,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (1/1) ... [2022-11-23 16:04:16,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (1/1) ... [2022-11-23 16:04:16,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (1/1) ... [2022-11-23 16:04:16,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:04:16,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:04:16,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:04:16,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:04:16,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (1/1) ... [2022-11-23 16:04:16,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:04:16,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:04:16,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:04:17,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72e4212b-5aee-4e2b-95c3-abfad56443cc/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:04:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 16:04:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 16:04:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-23 16:04:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-23 16:04:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-23 16:04:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 16:04:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 16:04:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 16:04:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 16:04:17,043 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-23 16:04:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-23 16:04:17,043 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-23 16:04:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-23 16:04:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-23 16:04:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-23 16:04:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-23 16:04:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-23 16:04:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-23 16:04:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-23 16:04:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 16:04:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 16:04:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-23 16:04:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-23 16:04:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-23 16:04:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-23 16:04:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-23 16:04:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-23 16:04:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-23 16:04:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-23 16:04:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 16:04:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 16:04:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-23 16:04:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-23 16:04:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_port_cfg_work [2022-11-23 16:04:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_port_cfg_work [2022-11-23 16:04:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-23 16:04:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-23 16:04:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-23 16:04:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-23 16:04:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-11-23 16:04:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-11-23 16:04:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 16:04:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 16:04:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-23 16:04:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-23 16:04:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 16:04:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 16:04:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 16:04:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 16:04:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 16:04:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 16:04:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-23 16:04:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-23 16:04:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-23 16:04:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-23 16:04:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 16:04:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 16:04:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-23 16:04:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-23 16:04:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-23 16:04:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-23 16:04:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-23 16:04:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-23 16:04:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-23 16:04:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-23 16:04:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-23 16:04:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-23 16:04:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-23 16:04:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-23 16:04:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 16:04:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 16:04:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-23 16:04:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-23 16:04:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 16:04:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 16:04:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 16:04:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 16:04:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-23 16:04:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-23 16:04:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 16:04:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 16:04:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-23 16:04:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-23 16:04:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-23 16:04:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-23 16:04:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 16:04:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 16:04:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 16:04:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 16:04:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:04:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 16:04:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 16:04:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-23 16:04:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-23 16:04:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-23 16:04:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-23 16:04:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-23 16:04:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-23 16:04:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-23 16:04:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-23 16:04:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-23 16:04:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-23 16:04:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-23 16:04:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-23 16:04:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 16:04:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 16:04:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-23 16:04:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-23 16:04:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-23 16:04:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-23 16:04:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-23 16:04:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-23 16:04:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 16:04:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 16:04:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-23 16:04:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-23 16:04:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 16:04:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 16:04:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-23 16:04:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-23 16:04:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-23 16:04:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-23 16:04:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 16:04:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-23 16:04:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-23 16:04:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-23 16:04:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-23 16:04:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 16:04:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 16:04:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 16:04:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 16:04:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-23 16:04:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-23 16:04:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_idc_work [2022-11-23 16:04:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_idc_work [2022-11-23 16:04:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-23 16:04:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-23 16:04:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-23 16:04:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-23 16:04:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 16:04:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-23 16:04:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-23 16:04:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-11-23 16:04:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-11-23 16:04:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 16:04:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 16:04:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 16:04:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-23 16:04:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-23 16:04:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-23 16:04:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-23 16:04:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2022-11-23 16:04:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2022-11-23 16:04:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 16:04:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 16:04:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-23 16:04:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-23 16:04:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-23 16:04:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-23 16:04:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-23 16:04:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-23 16:04:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 16:04:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 16:04:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-23 16:04:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-23 16:04:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-23 16:04:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-23 16:04:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 16:04:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 16:04:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-23 16:04:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-23 16:04:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-23 16:04:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-23 16:04:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 16:04:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 16:04:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 16:04:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 16:04:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-23 16:04:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-23 16:04:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-23 16:04:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-23 16:04:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure ql_asic_reset_work [2022-11-23 16:04:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_asic_reset_work [2022-11-23 16:04:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 16:04:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 16:04:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-23 16:04:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-23 16:04:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 16:04:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-23 16:04:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-23 16:04:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-23 16:04:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-23 16:04:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-23 16:04:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-23 16:04:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-23 16:04:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:04:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 16:04:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 16:04:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-23 16:04:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-23 16:04:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 16:04:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 16:04:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 16:04:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 16:04:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-23 16:04:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-23 16:04:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-23 16:04:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-23 16:04:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-23 16:04:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-23 16:04:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 16:04:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 16:04:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-23 16:04:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-23 16:04:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2022-11-23 16:04:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2022-11-23 16:04:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 16:04:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 16:04:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-23 16:04:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-23 16:04:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 16:04:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 16:04:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-23 16:04:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-23 16:04:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-23 16:04:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-23 16:04:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 16:04:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 16:04:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-23 16:04:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-23 16:04:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 16:04:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 16:04:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-23 16:04:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-23 16:04:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 16:04:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 16:04:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-23 16:04:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-23 16:04:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-23 16:04:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-23 16:04:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-23 16:04:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-23 16:04:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-23 16:04:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-23 16:04:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-23 16:04:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-23 16:04:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 16:04:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 16:04:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 16:04:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 16:04:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_core_to_log [2022-11-23 16:04:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_core_to_log [2022-11-23 16:04:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-23 16:04:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-23 16:04:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:04:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:04:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-23 16:04:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-23 16:04:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-23 16:04:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-23 16:04:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-23 16:04:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-23 16:04:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-23 16:04:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-23 16:04:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 16:04:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 16:04:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-23 16:04:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-23 16:04:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 16:04:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 16:04:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 16:04:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 16:04:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-23 16:04:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-23 16:04:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-23 16:04:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-23 16:04:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 16:04:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 16:04:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-23 16:04:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-23 16:04:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-23 16:04:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-23 16:04:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 16:04:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 16:04:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 16:04:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 16:04:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-23 16:04:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-23 16:04:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_idc_ack [2022-11-23 16:04:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_idc_ack [2022-11-23 16:04:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 16:04:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-23 16:04:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-23 16:04:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-23 16:04:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-23 16:04:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 16:04:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 16:04:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-23 16:04:17,099 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-23 16:04:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-23 16:04:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-23 16:04:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-23 16:04:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-23 16:04:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-23 16:04:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-23 16:04:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-23 16:04:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-23 16:04:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 16:04:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 16:04:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 16:04:17,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 16:04:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-23 16:04:17,101 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-23 16:04:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 16:04:17,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 16:04:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-23 16:04:17,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-23 16:04:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-23 16:04:17,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-23 16:04:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 16:04:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 16:04:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 16:04:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 16:04:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-23 16:04:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-23 16:04:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-23 16:04:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-23 16:04:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 16:04:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 16:04:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-23 16:04:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-23 16:04:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 16:04:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 16:04:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-23 16:04:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-23 16:04:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-23 16:04:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-23 16:04:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-23 16:04:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-23 16:04:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-23 16:04:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-23 16:04:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 16:04:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 16:04:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-23 16:04:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-23 16:04:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:04:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 16:04:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 16:04:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-23 16:04:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-23 16:04:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-23 16:04:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-23 16:04:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-23 16:04:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-23 16:04:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 16:04:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 16:04:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-23 16:04:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-23 16:04:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-23 16:04:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-23 16:04:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2022-11-23 16:04:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2022-11-23 16:04:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 16:04:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-23 16:04:17,106 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-23 16:04:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-23 16:04:17,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-23 16:04:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-23 16:04:17,106 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-23 16:04:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-23 16:04:17,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-23 16:04:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-23 16:04:17,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-23 16:04:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-23 16:04:17,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-23 16:04:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 16:04:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2022-11-23 16:04:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2022-11-23 16:04:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-23 16:04:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-23 16:04:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-23 16:04:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-23 16:04:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 16:04:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 16:04:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-23 16:04:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-23 16:04:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 16:04:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 16:04:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 16:04:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 16:04:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 16:04:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 16:04:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-23 16:04:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-23 16:04:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-23 16:04:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-23 16:04:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-23 16:04:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-23 16:04:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-23 16:04:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-23 16:04:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-23 16:04:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-23 16:04:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-23 16:04:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-23 16:04:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 16:04:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 16:04:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 16:04:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 16:04:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-23 16:04:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-23 16:04:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-23 16:04:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-23 16:04:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-23 16:04:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-23 16:04:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-23 16:04:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-23 16:04:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 16:04:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 16:04:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-23 16:04:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-23 16:04:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-23 16:04:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-23 16:04:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 16:04:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 16:04:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-23 16:04:17,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-23 16:04:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-23 16:04:17,113 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-23 16:04:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 16:04:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-23 16:04:17,113 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-23 16:04:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-23 16:04:17,113 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-23 16:04:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 16:04:17,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 16:04:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-23 16:04:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-23 16:04:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-23 16:04:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-23 16:04:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-23 16:04:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-23 16:04:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 16:04:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 16:04:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 16:04:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 16:04:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-23 16:04:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-23 16:04:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-23 16:04:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-23 16:04:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-23 16:04:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-23 16:04:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-23 16:04:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-23 16:04:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-23 16:04:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-23 16:04:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-23 16:04:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-23 16:04:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-23 16:04:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-23 16:04:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-23 16:04:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-23 16:04:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-23 16:04:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-23 16:04:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-23 16:04:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-23 16:04:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-23 16:04:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-23 16:04:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-23 16:04:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-23 16:04:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-23 16:04:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-23 16:04:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_work [2022-11-23 16:04:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_work [2022-11-23 16:04:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-23 16:04:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-23 16:04:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-11-23 16:04:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-11-23 16:04:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2022-11-23 16:04:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2022-11-23 16:04:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-23 16:04:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-23 16:04:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-23 16:04:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-23 16:04:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-23 16:04:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-23 16:04:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 16:04:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 16:04:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-23 16:04:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-23 16:04:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 16:04:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 16:04:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-23 16:04:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-23 16:04:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-23 16:04:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-23 16:04:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-23 16:04:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-23 16:04:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-23 16:04:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-23 16:04:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 16:04:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 16:04:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 16:04:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 16:04:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_reset_work [2022-11-23 16:04:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_reset_work [2022-11-23 16:04:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:04:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-23 16:04:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-23 16:04:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-23 16:04:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-23 16:04:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-23 16:04:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-23 16:04:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-23 16:04:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-23 16:04:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-23 16:04:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-23 16:04:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-23 16:04:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-23 16:04:19,030 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:04:19,052 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:04:19,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 16:04:44,469 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:04:52,655 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:04:52,655 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 16:04:52,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:52 BoogieIcfgContainer [2022-11-23 16:04:52,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:04:52,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:04:52,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:04:52,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:04:52,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:04:05" (1/3) ... [2022-11-23 16:04:52,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec55d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:04:52, skipping insertion in model container [2022-11-23 16:04:52,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:14" (2/3) ... [2022-11-23 16:04:52,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec55d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:04:52, skipping insertion in model container [2022-11-23 16:04:52,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:52" (3/3) ... [2022-11-23 16:04:52,677 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-23 16:04:52,694 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:04:52,695 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 16:04:52,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:04:52,842 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;@69733f8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:04:52,842 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 16:04:52,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 4000 states, 2458 states have (on average 1.3458096013018714) internal successors, (3308), 2546 states have internal predecessors, (3308), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) [2022-11-23 16:04:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-23 16:04:52,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:04:52,904 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:04:52,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:04:52,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:04:52,913 INFO L85 PathProgramCache]: Analyzing trace with hash 167502228, now seen corresponding path program 1 times [2022-11-23 16:04:52,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:04:52,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826955371] [2022-11-23 16:04:52,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:04:52,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:04:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:04:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-23 16:04:54,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:04:54,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826955371] [2022-11-23 16:04:54,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826955371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:04:54,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:04:54,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:04:54,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712486867] [2022-11-23 16:04:54,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:04:54,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:04:54,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:04:54,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:04:54,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:04:54,798 INFO L87 Difference]: Start difference. First operand has 4000 states, 2458 states have (on average 1.3458096013018714) internal successors, (3308), 2546 states have internal predecessors, (3308), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 16:04:57,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:04:59,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:02,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:05:04,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:07,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:10,378 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 [] [2022-11-23 16:05:20,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:05:20,009 INFO L93 Difference]: Finished difference Result 11666 states and 17204 transitions. [2022-11-23 16:05:20,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:05:20,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 184 [2022-11-23 16:05:20,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:05:20,117 INFO L225 Difference]: With dead ends: 11666 [2022-11-23 16:05:20,118 INFO L226 Difference]: Without dead ends: 7638 [2022-11-23 16:05:20,157 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 [2022-11-23 16:05:20,161 INFO L413 NwaCegarLoop]: 7165 mSDtfsCounter, 5407 mSDsluCounter, 5112 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5412 SdHoareTripleChecker+Valid, 12277 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2022-11-23 16:05:20,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5412 Valid, 12277 Invalid, 1552 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1541 Invalid, 4 Unknown, 0 Unchecked, 24.4s Time] [2022-11-23 16:05:20,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7638 states. [2022-11-23 16:05:20,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7638 to 7629. [2022-11-23 16:05:20,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7629 states, 4689 states have (on average 1.3346129238643634) internal successors, (6258), 4835 states have internal predecessors, (6258), 2454 states have call successors, (2454), 487 states have call predecessors, (2454), 485 states have return successors, (2457), 2416 states have call predecessors, (2457), 2452 states have call successors, (2457) [2022-11-23 16:05:20,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7629 states to 7629 states and 11169 transitions. [2022-11-23 16:05:20,937 INFO L78 Accepts]: Start accepts. Automaton has 7629 states and 11169 transitions. Word has length 184 [2022-11-23 16:05:20,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:05:20,941 INFO L495 AbstractCegarLoop]: Abstraction has 7629 states and 11169 transitions. [2022-11-23 16:05:20,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 16:05:20,942 INFO L276 IsEmpty]: Start isEmpty. Operand 7629 states and 11169 transitions. [2022-11-23 16:05:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-23 16:05:20,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:05:20,966 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:05:20,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 16:05:20,966 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:05:20,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:05:20,967 INFO L85 PathProgramCache]: Analyzing trace with hash 619657197, now seen corresponding path program 1 times [2022-11-23 16:05:20,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:05:20,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954166005] [2022-11-23 16:05:20,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:05:20,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:05:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:05:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-23 16:05:22,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:05:22,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954166005] [2022-11-23 16:05:22,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954166005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:05:22,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:05:22,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:05:22,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145212428] [2022-11-23 16:05:22,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:05:22,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:05:22,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:05:22,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:05:22,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:05:22,407 INFO L87 Difference]: Start difference. First operand 7629 states and 11169 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-23 16:05:25,671 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 [] [2022-11-23 16:05:27,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:28,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:05:31,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:38,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:05:44,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:05:44,873 INFO L93 Difference]: Finished difference Result 22573 states and 33026 transitions. [2022-11-23 16:05:44,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:05:44,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 206 [2022-11-23 16:05:44,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:05:44,999 INFO L225 Difference]: With dead ends: 22573 [2022-11-23 16:05:45,000 INFO L226 Difference]: Without dead ends: 14969 [2022-11-23 16:05:45,058 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 [2022-11-23 16:05:45,059 INFO L413 NwaCegarLoop]: 6483 mSDtfsCounter, 5583 mSDsluCounter, 5112 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5586 SdHoareTripleChecker+Valid, 11595 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-11-23 16:05:45,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5586 Valid, 11595 Invalid, 1329 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1324 Invalid, 3 Unknown, 0 Unchecked, 21.8s Time] [2022-11-23 16:05:45,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14969 states. [2022-11-23 16:05:45,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14969 to 14962. [2022-11-23 16:05:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14962 states, 9202 states have (on average 1.3347098456857205) internal successors, (12282), 9492 states have internal predecessors, (12282), 4797 states have call successors, (4797), 965 states have call predecessors, (4797), 962 states have return successors, (4807), 4720 states have call predecessors, (4807), 4795 states have call successors, (4807) [2022-11-23 16:05:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14962 states to 14962 states and 21886 transitions. [2022-11-23 16:05:46,075 INFO L78 Accepts]: Start accepts. Automaton has 14962 states and 21886 transitions. Word has length 206 [2022-11-23 16:05:46,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:05:46,078 INFO L495 AbstractCegarLoop]: Abstraction has 14962 states and 21886 transitions. [2022-11-23 16:05:46,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-23 16:05:46,079 INFO L276 IsEmpty]: Start isEmpty. Operand 14962 states and 21886 transitions. [2022-11-23 16:05:46,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-23 16:05:46,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:05:46,095 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 16:05:46,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 16:05:46,095 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:05:46,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:05:46,097 INFO L85 PathProgramCache]: Analyzing trace with hash -165707561, now seen corresponding path program 1 times [2022-11-23 16:05:46,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:05:46,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349379337] [2022-11-23 16:05:46,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:05:46,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:05:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:05:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-11-23 16:05:47,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:05:47,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349379337] [2022-11-23 16:05:47,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349379337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:05:47,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:05:47,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:05:47,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94363132] [2022-11-23 16:05:47,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:05:47,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:05:47,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:05:47,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:05:47,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:05:47,332 INFO L87 Difference]: Start difference. First operand 14962 states and 21886 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-23 16:05:48,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:51,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:54,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:05:56,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:05:57,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:06:02,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:03,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:07,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:11,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:06:11,740 INFO L93 Difference]: Finished difference Result 43550 states and 63692 transitions. [2022-11-23 16:06:11,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:06:11,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 223 [2022-11-23 16:06:11,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:06:11,947 INFO L225 Difference]: With dead ends: 43550 [2022-11-23 16:06:11,947 INFO L226 Difference]: Without dead ends: 28613 [2022-11-23 16:06:12,034 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 [2022-11-23 16:06:12,038 INFO L413 NwaCegarLoop]: 7783 mSDtfsCounter, 5290 mSDsluCounter, 5101 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5291 SdHoareTripleChecker+Valid, 12884 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-23 16:06:12,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5291 Valid, 12884 Invalid, 1544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1539 Invalid, 3 Unknown, 0 Unchecked, 23.2s Time] [2022-11-23 16:06:12,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28613 states. [2022-11-23 16:06:13,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28613 to 28610. [2022-11-23 16:06:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28610 states, 17634 states have (on average 1.3354882613133718) internal successors, (23550), 18172 states have internal predecessors, (23550), 9135 states have call successors, (9135), 1843 states have call predecessors, (9135), 1840 states have return successors, (9152), 9002 states have call predecessors, (9152), 9133 states have call successors, (9152) [2022-11-23 16:06:13,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28610 states to 28610 states and 41837 transitions. [2022-11-23 16:06:13,727 INFO L78 Accepts]: Start accepts. Automaton has 28610 states and 41837 transitions. Word has length 223 [2022-11-23 16:06:13,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:06:13,728 INFO L495 AbstractCegarLoop]: Abstraction has 28610 states and 41837 transitions. [2022-11-23 16:06:13,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-23 16:06:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 28610 states and 41837 transitions. [2022-11-23 16:06:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-23 16:06:13,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:06:13,765 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-11-23 16:06:13,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 16:06:13,766 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:06:13,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:06:13,766 INFO L85 PathProgramCache]: Analyzing trace with hash 904676317, now seen corresponding path program 1 times [2022-11-23 16:06:13,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:06:13,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979177692] [2022-11-23 16:06:13,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:06:13,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:06:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:06:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-11-23 16:06:15,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:06:15,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979177692] [2022-11-23 16:06:15,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979177692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:06:15,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:06:15,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:06:15,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841279427] [2022-11-23 16:06:15,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:06:15,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:06:15,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:06:15,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:06:15,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:06:15,010 INFO L87 Difference]: Start difference. First operand 28610 states and 41837 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-23 16:06:16,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:19,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:21,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:06:26,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:28,915 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 [] [2022-11-23 16:06:33,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:06:33,748 INFO L93 Difference]: Finished difference Result 69279 states and 100555 transitions. [2022-11-23 16:06:33,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:06:33,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 253 [2022-11-23 16:06:33,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:06:33,992 INFO L225 Difference]: With dead ends: 69279 [2022-11-23 16:06:33,992 INFO L226 Difference]: Without dead ends: 40694 [2022-11-23 16:06:34,111 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 [2022-11-23 16:06:34,114 INFO L413 NwaCegarLoop]: 6059 mSDtfsCounter, 5777 mSDsluCounter, 1861 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5783 SdHoareTripleChecker+Valid, 7920 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-23 16:06:34,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5783 Valid, 7920 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1039 Invalid, 4 Unknown, 0 Unchecked, 17.1s Time] [2022-11-23 16:06:34,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40694 states. [2022-11-23 16:06:36,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40694 to 40687. [2022-11-23 16:06:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40687 states, 25047 states have (on average 1.326186768874516) internal successors, (33217), 25826 states have internal predecessors, (33217), 12740 states have call successors, (12740), 2901 states have call predecessors, (12740), 2899 states have return successors, (12788), 12559 states have call predecessors, (12788), 12738 states have call successors, (12788) [2022-11-23 16:06:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40687 states to 40687 states and 58745 transitions. [2022-11-23 16:06:36,573 INFO L78 Accepts]: Start accepts. Automaton has 40687 states and 58745 transitions. Word has length 253 [2022-11-23 16:06:36,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:06:36,576 INFO L495 AbstractCegarLoop]: Abstraction has 40687 states and 58745 transitions. [2022-11-23 16:06:36,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-23 16:06:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 40687 states and 58745 transitions. [2022-11-23 16:06:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-23 16:06:36,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:06:36,615 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 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] [2022-11-23 16:06:36,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 16:06:36,616 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:06:36,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:06:36,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1946957914, now seen corresponding path program 1 times [2022-11-23 16:06:36,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:06:36,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263995818] [2022-11-23 16:06:36,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:06:36,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:06:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:06:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2022-11-23 16:06:38,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:06:38,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263995818] [2022-11-23 16:06:38,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263995818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:06:38,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:06:38,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:06:38,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090420691] [2022-11-23 16:06:38,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:06:38,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:06:38,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:06:38,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:06:38,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:06:38,269 INFO L87 Difference]: Start difference. First operand 40687 states and 58745 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-23 16:06:40,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:43,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:46,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:06:50,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:06:56,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:58,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:07:07,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:07:07,965 INFO L93 Difference]: Finished difference Result 101755 states and 146931 transitions. [2022-11-23 16:07:07,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:07:07,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 314 [2022-11-23 16:07:07,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:07:08,338 INFO L225 Difference]: With dead ends: 101755 [2022-11-23 16:07:08,338 INFO L226 Difference]: Without dead ends: 61093 [2022-11-23 16:07:08,535 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 [2022-11-23 16:07:08,536 INFO L413 NwaCegarLoop]: 9967 mSDtfsCounter, 5670 mSDsluCounter, 5126 mSDsCounter, 0 mSdLazyCounter, 1903 mSolverCounterSat, 16 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5673 SdHoareTripleChecker+Valid, 15093 SdHoareTripleChecker+Invalid, 1924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1903 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-11-23 16:07:08,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5673 Valid, 15093 Invalid, 1924 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 1903 Invalid, 5 Unknown, 0 Unchecked, 27.2s Time] [2022-11-23 16:07:08,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61093 states. [2022-11-23 16:07:11,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61093 to 61086. [2022-11-23 16:07:11,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61086 states, 37612 states have (on average 1.3258268637668829) internal successors, (49867), 38781 states have internal predecessors, (49867), 19119 states have call successors, (19119), 4357 states have call predecessors, (19119), 4354 states have return successors, (19191), 18847 states have call predecessors, (19191), 19117 states have call successors, (19191) [2022-11-23 16:07:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61086 states to 61086 states and 88177 transitions. [2022-11-23 16:07:12,130 INFO L78 Accepts]: Start accepts. Automaton has 61086 states and 88177 transitions. Word has length 314 [2022-11-23 16:07:12,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:07:12,131 INFO L495 AbstractCegarLoop]: Abstraction has 61086 states and 88177 transitions. [2022-11-23 16:07:12,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-23 16:07:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand 61086 states and 88177 transitions. [2022-11-23 16:07:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-11-23 16:07:12,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:07:12,195 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-11-23 16:07:12,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 16:07:12,196 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:07:12,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:07:12,197 INFO L85 PathProgramCache]: Analyzing trace with hash -476769659, now seen corresponding path program 1 times [2022-11-23 16:07:12,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:07:12,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019199939] [2022-11-23 16:07:12,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:07:12,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:07:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:07:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1295 trivial. 0 not checked. [2022-11-23 16:07:13,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:07:13,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019199939] [2022-11-23 16:07:13,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019199939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:07:13,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:07:13,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:07:13,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707285093] [2022-11-23 16:07:13,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:07:13,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:07:13,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:07:13,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:07:13,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:07:13,320 INFO L87 Difference]: Start difference. First operand 61086 states and 88177 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-23 16:07:14,703 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 [] [2022-11-23 16:07:17,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:07:20,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:07:26,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:07:28,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:07:31,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:07:32,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:07:43,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:07:43,873 INFO L93 Difference]: Finished difference Result 174315 states and 251202 transitions. [2022-11-23 16:07:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:07:43,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 371 [2022-11-23 16:07:43,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:07:44,673 INFO L225 Difference]: With dead ends: 174315 [2022-11-23 16:07:44,674 INFO L226 Difference]: Without dead ends: 113254 [2022-11-23 16:07:44,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:07:44,975 INFO L413 NwaCegarLoop]: 7925 mSDtfsCounter, 4825 mSDsluCounter, 5100 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4831 SdHoareTripleChecker+Valid, 13025 SdHoareTripleChecker+Invalid, 1605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-11-23 16:07:44,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4831 Valid, 13025 Invalid, 1605 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1600 Invalid, 3 Unknown, 0 Unchecked, 25.7s Time] [2022-11-23 16:07:45,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113254 states. [2022-11-23 16:07:50,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113254 to 113241. [2022-11-23 16:07:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113241 states, 69814 states have (on average 1.326639356003094) internal successors, (92618), 71919 states have internal predecessors, (92618), 35133 states have call successors, (35133), 8299 states have call predecessors, (35133), 8293 states have return successors, (35287), 34666 states have call predecessors, (35287), 35131 states have call successors, (35287) [2022-11-23 16:07:52,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113241 states to 113241 states and 163038 transitions. [2022-11-23 16:07:52,342 INFO L78 Accepts]: Start accepts. Automaton has 113241 states and 163038 transitions. Word has length 371 [2022-11-23 16:07:52,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:07:52,344 INFO L495 AbstractCegarLoop]: Abstraction has 113241 states and 163038 transitions. [2022-11-23 16:07:52,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-23 16:07:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 113241 states and 163038 transitions. [2022-11-23 16:07:52,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-11-23 16:07:52,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:07:52,479 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:07:52,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 16:07:52,480 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:07:52,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:07:52,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1741026059, now seen corresponding path program 1 times [2022-11-23 16:07:52,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:07:52,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265760230] [2022-11-23 16:07:52,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:07:52,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:07:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:07:54,587 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2022-11-23 16:07:54,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:07:54,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265760230] [2022-11-23 16:07:54,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265760230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:07:54,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:07:54,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 16:07:54,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669070445] [2022-11-23 16:07:54,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:07:54,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 16:07:54,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:07:54,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 16:07:54,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:07:54,591 INFO L87 Difference]: Start difference. First operand 113241 states and 163038 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 16:07:56,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:00,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:02,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:04,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:06,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:10,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:08:17,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:20,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:22,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:31,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:39,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:08:39,836 INFO L93 Difference]: Finished difference Result 226831 states and 329942 transitions. [2022-11-23 16:08:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 16:08:39,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 335 [2022-11-23 16:08:39,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:08:40,596 INFO L225 Difference]: With dead ends: 226831 [2022-11-23 16:08:40,596 INFO L226 Difference]: Without dead ends: 113625 [2022-11-23 16:08:41,110 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 [2022-11-23 16:08:41,111 INFO L413 NwaCegarLoop]: 5175 mSDtfsCounter, 5 mSDsluCounter, 15494 mSDsCounter, 0 mSdLazyCounter, 2601 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 20669 SdHoareTripleChecker+Invalid, 2611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2601 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.8s IncrementalHoareTripleChecker+Time [2022-11-23 16:08:41,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 20669 Invalid, 2611 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2601 Invalid, 7 Unknown, 0 Unchecked, 39.8s Time] [2022-11-23 16:08:41,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113625 states. [2022-11-23 16:08:45,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113625 to 113433. [2022-11-23 16:08:46,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113433 states, 69958 states have (on average 1.3259670087766946) internal successors, (92762), 72063 states have internal predecessors, (92762), 35133 states have call successors, (35133), 8299 states have call predecessors, (35133), 8341 states have return successors, (35959), 34714 states have call predecessors, (35959), 35131 states have call successors, (35959) [2022-11-23 16:08:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113433 states to 113433 states and 163854 transitions. [2022-11-23 16:08:46,882 INFO L78 Accepts]: Start accepts. Automaton has 113433 states and 163854 transitions. Word has length 335 [2022-11-23 16:08:46,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:08:46,883 INFO L495 AbstractCegarLoop]: Abstraction has 113433 states and 163854 transitions. [2022-11-23 16:08:46,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-23 16:08:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 113433 states and 163854 transitions. [2022-11-23 16:08:46,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-11-23 16:08:46,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:46,952 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 4, 4, 4, 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] [2022-11-23 16:08:46,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 16:08:46,953 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:08:46,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:46,953 INFO L85 PathProgramCache]: Analyzing trace with hash -2108212674, now seen corresponding path program 1 times [2022-11-23 16:08:46,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:08:46,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066007463] [2022-11-23 16:08:46,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:46,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:08:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:08:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2022-11-23 16:08:48,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:08:48,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066007463] [2022-11-23 16:08:48,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066007463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:48,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:08:48,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:08:48,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838498959] [2022-11-23 16:08:48,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:48,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:08:48,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:08:48,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:08:48,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:08:48,355 INFO L87 Difference]: Start difference. First operand 113433 states and 163854 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-23 16:08:50,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:53,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:56,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 16:09:02,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:09:03,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:09:05,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:09:16,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:09:16,562 INFO L93 Difference]: Finished difference Result 237577 states and 345352 transitions. [2022-11-23 16:09:16,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:09:16,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 331 [2022-11-23 16:09:16,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:09:17,383 INFO L225 Difference]: With dead ends: 237577 [2022-11-23 16:09:17,383 INFO L226 Difference]: Without dead ends: 124179 [2022-11-23 16:09:17,741 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 [2022-11-23 16:09:17,742 INFO L413 NwaCegarLoop]: 6119 mSDtfsCounter, 783 mSDsluCounter, 5317 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 11436 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-11-23 16:09:17,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 11436 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1369 Invalid, 4 Unknown, 0 Unchecked, 23.1s Time] [2022-11-23 16:09:17,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124179 states. [2022-11-23 16:09:22,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124179 to 113445. [2022-11-23 16:09:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113445 states, 69970 states have (on average 1.3259111047591825) internal successors, (92774), 72075 states have internal predecessors, (92774), 35133 states have call successors, (35133), 8299 states have call predecessors, (35133), 8341 states have return successors, (35959), 34714 states have call predecessors, (35959), 35131 states have call successors, (35959) [2022-11-23 16:09:23,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113445 states to 113445 states and 163866 transitions. [2022-11-23 16:09:23,098 INFO L78 Accepts]: Start accepts. Automaton has 113445 states and 163866 transitions. Word has length 331 [2022-11-23 16:09:23,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:09:23,099 INFO L495 AbstractCegarLoop]: Abstraction has 113445 states and 163866 transitions. [2022-11-23 16:09:23,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-23 16:09:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 113445 states and 163866 transitions. [2022-11-23 16:09:23,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-11-23 16:09:23,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:23,164 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:09:23,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 16:09:23,164 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:09:23,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:23,165 INFO L85 PathProgramCache]: Analyzing trace with hash 358273972, now seen corresponding path program 1 times [2022-11-23 16:09:23,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:09:23,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511717912] [2022-11-23 16:09:23,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:23,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:09:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2022-11-23 16:09:24,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:09:24,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511717912] [2022-11-23 16:09:24,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511717912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:24,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:24,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:09:24,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777238583] [2022-11-23 16:09:24,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:24,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:09:24,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:09:24,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:09:24,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:24,971 INFO L87 Difference]: Start difference. First operand 113445 states and 163866 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 16:09:28,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:09:31,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []